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Panasonic G9 vs GH3

The Panasonic Lumix DC-G9 and the Panasonic Lumix DMC-GH3 are two enthusiast cameras that were revealed to the public, respectively, in November 2017 and September 2012. Both the G9 and the GH3 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. The G9 has a resolution of 20.2 megapixels, whereas the GH3 provides 15.9 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Panasonic G9
versus
Panasonic GH3
Panasonic G9   Panasonic GH3
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Micro Four Thirds lenses
20.2 MP – Four Thirds sensor 15.9 MP – Four Thirds sensor
4K/60p Video 1080/60p Video
ISO 200-25,600 ISO 200-12,800 (125 - 25,600)
Electronic viewfinder (3680k dots) Electronic viewfinder (1746k dots)
3.0" LCD – 1040k dots 3.0" LCD – 614k dots
Swivel touchscreen Swivel touchscreen
20 shutter flaps per second 6 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyWeathersealed body
400 shots per battery charge540 shots per battery charge
137 x 97 x 92 mm, 658 g 133 x 93 x 82 mm, 550 g
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Check G9 offers at
ebay.com
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Check GH3 offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DC-G9 and the Panasonic Lumix DMC-GH3? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The physical size and weight of the Panasonic G9 and the Panasonic GH3 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Panasonic G9 vs Panasonic GH3
Compare G9 versus GH3 top
Comparison G9 or GH3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GH3 is notably smaller (7 percent) than the Panasonic G9. Moreover, the GH3 is markedly lighter (16 percent) than the G9. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can compare the optics available in the Micro Four Thirds Lens Catalog. Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

The power pack in the G9 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Panasonic G9 137 mm 97 mm 92 mm 658 g 400 i Nov 2017 US$ 1 699ebay.com
2.
 
Panasonic GH3 133 mm 93 mm 82 mm 550 g 540 i Sep 2012 US$ 1 299ebay.com
3.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 i Sep 2013 US$ 1 399ebay.com
4.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 i Sep 2016 US$ 1 999ebay.com
5.
 
Olympus E-M1 III 134 mm 91 mm 69 mm 580 g 420 i Feb 2020 US$ 1 799ebay.com
6.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 i Feb 2015 US$ 1 099ebay.com
7.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 i Jul 2012 US$ 599ebay.com
8.
 
Panasonic G9 II 134 mm 102 mm 90 mm 658 g 390 i Sep 2023 US$ 1 899 amazon.com
9.
 
Panasonic G85 128 mm 89 mm 74 mm 505 g 330 i Sep 2016 US$ 899ebay.com
10.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 i Sep 2010 US$ 899ebay.com
11.
 
Panasonic GH4 133 mm 93 mm 84 mm 560 g 500 i Feb 2014 US$ 1 499ebay.com
12.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 i Jan 2017 US$ 1 999ebay.com
13.
 
Panasonic GH5 II 139 mm 98 mm 87 mm 727 g 400 i May 2021 US$ 1 699 amazon.com
14.
 
Panasonic GH5s 139 mm 98 mm 87 mm 660 g 440 i Jan 2018 US$ 2 499 amazon.com
15.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 i Jul 2015 US$ 1 199ebay.com
16.
 
Panasonic GX9 124 mm 72 mm 47 mm 407 g 260 i Feb 2018 US$ 849ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
  empty Camera
Model

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The GH3 was launched at a somewhat lower price (by 24 percent) than the G9, which makes it more attractive for photographers on a tight budget. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a Four Thirds sensor and have a format factor (sometimes also referred to as "crop factor") of 2.0. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Panasonic G9 and Panasonic GH3 sensor measures

While the two cameras under review share the same sensor size, the G9 offers a higher resolution of 20.2 megapixels, compared with 15.9 MP of the GH3. This megapixels advantage translates into a 13 percent gain in linear resolution. On the other hand, these sensor specs imply that the G9 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.34μm versus 3.76μm for the GH3). In this context, it should be noted, however, that the G9 is much more recent (by 5 years and 1 month) than the GH3, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that the G9 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Panasonic G9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G9 for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Panasonic GH3 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.

Unlike the GH3, the G9 has the capacity to capture high quality composite images (80.6MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Panasonic Lumix DC-G9 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. The corresponding ISO settings for the Panasonic Lumix DMC-GH3 are ISO 200 to ISO 12800, with the possibility to increase the ISO range to 125-25600.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

G9 versus GH3 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p23.112.8113874
2.
 
Panasonic GH3 Four Thirds 15.9 4608 34561080/60p22.712.481271
3.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
4.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
5.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p23.313.1135676
6.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
7.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
8.
 
Panasonic G9 II Four Thirds 25.0 5776 43365.7K/60p23.413.5171078
9.
 
Panasonic G85 Four Thirds 15.8 4592 34484K/30p22.812.565671
10.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
11.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
12.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
13.
 
Panasonic GH5 II Four Thirds 20.2 5184 38884K/60p23.713.1113679
14.
 
Panasonic GH5s Four Thirds 9.9 3680 27004K/60p23.112.8115474
15.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
16.
 
Panasonic GX9 Four Thirds 20.2 5184 38884K/30p23.112.8116374
Note: DXO values in italics represent estimates based on sensor size and age.
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
  empty Camera
Model

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the G9 provides a higher video resolution than the GH3. It can shoot video footage at 4K/60p, while the GH3 is limited to 1080/60p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the G9 offers a substantially higher resolution than the one in the GH3 (3680k vs 1746k dots). The adjacent table lists some of the other core features of the Panasonic G9 and Panasonic GH3 along with similar information for a selection of comparators.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Panasonic G93680 i3.0 / 1040 swivel i 1/8000s 20.0/s i i
2.
 
Panasonic GH31746 i3.0 / 614 swivel i 1/4000s 6.0/s i i
3.
 
Olympus E-M12360 i3.0 / 1037 tilting i 1/8000s 10.0/s i i
4.
 
Olympus E-M1 II2360 i3.0 / 1037 swivel i 1/8000s 18.0/s i i
5.
 
Olympus E-M1 III2360 i3.0 / 1037 swivel i 1/8000s 18.0/s i i
6.
 
Olympus E-M5 II2360 i3.0 / 1037 swivel i 1/8000s 10.0/s i i
7.
 
Panasonic G51440 i3.0 / 920 swivel i 1/4000s 6.0/s i i
8.
 
Panasonic G9 II3680 i3.0 / 1840 swivel i 1/8000s 10.0/s i i
9.
 
Panasonic G852360 i3.0 / 1040 swivel i 1/4000s 9.0/s i i
10.
 
Panasonic GH21534 i3.0 / 460 swivel i 1/4000s 3.0/s i i
11.
 
Panasonic GH42359 i3.0 / 1036 swivel i 1/8000s 12.0/s i i
12.
 
Panasonic GH53680 i3.2 / 1620 swivel i 1/8000s 12.0/s i i
13.
 
Panasonic GH5 II3680 i3.0 / 1840 swivel i 1/8000s 12.0/s i i
14.
 
Panasonic GH5s3680 i3.2 / 1620 swivel i 1/8000s 12.0/s i i
15.
 
Panasonic GX82360 i3.0 / 1040 swivel i 1/8000s 10.0/s i i
16.
 
Panasonic GX92760 i3.0 / 1240 tilting i 1/4000s 9.0/s i i
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
  empty Camera
Model

One feature that is present on the G9, but is missing on the GH3 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, both cameras under consideration feature an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Panasonic G9 and the Panasonic GH3 both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the G9 and the GH3 write their files to SDXC cards. The G9 features dual card slots, which can be very useful in case a memory card fails. In contrast, the GH3 only has one slot. The G9 supports UHS-II cards (on both slots), while the GH3 can use UHS-I cards.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Panasonic Lumix DC-G9 and Panasonic Lumix DMC-GH3 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic G9istereo / monoiifull3.0iii
2.
 
Panasonic GH3istereo / monoiimini2.0iii
3.
 
Olympus E-M1istereo / monoiimicro2.0iii
4.
 
Olympus E-M1 IIistereo / monoiimicro3.0iii
5.
 
Olympus E-M1 IIIistereo / monoiimicro3.1iii
6.
 
Olympus E-M5 IIistereo / monoiimicro2.0iii
7.
 
Panasonic G5istereo / monoiimini2.0iii
8.
 
Panasonic G9 IIistereo / monoiifull3.2iii
9.
 
Panasonic G85istereo / monoiimicro2.0iii
10.
 
Panasonic GH2istereo / monoiimini2.0iii
11.
 
Panasonic GH4istereo / monoiimicro2.0iii
12.
 
Panasonic GH5istereo / monoiifull3.1iii
13.
 
Panasonic GH5 IIistereo / monoiifull3.2iii
14.
 
Panasonic GH5sistereo / monoiifull3.1iii
15.
 
Panasonic GX8istereo / monoiimicro2.0iii
16.
 
Panasonic GX9istereo / monoiimicro2.0iii
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
  empty Camera
Model

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Both the G9 and the GH3 have been discontinued, but can regularly be found used on ebay. The GH3 was replaced by the Panasonic GH4, while the G9 was followed by the Panasonic G9 II. Further information on the features and operation of the G9 and GH3 can be found, respectively, in the Panasonic G9 Manual (free pdf) or the online Panasonic GH3 Manual.

Review summary

So how do things add up? Is there a clear favorite between the Panasonic G9 and the Panasonic GH3? Which camera is better? The listing below highlights the relative strengths of the two models.


Arguments in favor of the Panasonic Lumix DC-G9:

  • More detail: Offers more megapixels (20.2 vs 15.9MP) with a 13% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher definition movie capture (4K/60p vs 1080/60p).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3680k vs 1746k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.83x vs 0.67x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 614k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (20 vs 6 flaps/sec) to capture the decisive moment.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 5 years and 1 month of technical progress since the GH3 launch.


Advantages of the Panasonic Lumix DMC-GH3:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Less heavy: Has a lower weight (by 108g or 16 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (540 versus 400) out of a single battery charge.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was released into a lower priced segment (24 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in September 2012).

If the number of relative strengths (bullet points above) is taken as a guide, the G9 is the clear winner of the match-up (18 : 6 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

G9 18:06 GH3

How about other alternatives? Do the specifications of the Panasonic G9 and the Panasonic GH3 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the G9 or the GH3. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Panasonic G9..+ +5/585/1005/55/5 Nov 2017 US$ 1 699ebay.com
2.
 
Panasonic GH35/5+ +..79/1004.5/54.5/5 Sep 2012 US$ 1 299ebay.com
3.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 US$ 1 399ebay.com
4.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 US$ 1 999ebay.com
5.
 
Olympus E-M1 III5/5..5/583/1004.5/54/5 Feb 2020 US$ 1 799ebay.com
6.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 US$ 1 099ebay.com
7.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 US$ 599ebay.com
8.
 
Panasonic G9 II5/5..4.5/587/100..4.5/5 Sep 2023 US$ 1 899 amazon.com
9.
 
Panasonic G85..+ +..84/1005/54.5/5 Sep 2016 US$ 899ebay.com
10.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 US$ 899ebay.com
11.
 
Panasonic GH45/5+ +..85/1005/55/5 Feb 2014 US$ 1 499ebay.com
12.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 US$ 1 999ebay.com
13.
 
Panasonic GH5 II4.5/5..4.5/585/1004.5/55/5 May 2021 US$ 1 699 amazon.com
14.
 
Panasonic GH5s....4.5/584/1004.5/54.5/5 Jan 2018 US$ 2 499 amazon.com
15.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 US$ 1 199ebay.com
16.
 
Panasonic GX94/5+4/584/1004.5/54.5/5 Feb 2018 US$ 849ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
  empty  Camera 
 Model 

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Check GH3 offers at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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  • Canon M50 Mark II
  • Canon M100
  • Canon M200
  • Canon R
  • Canon R1
  • Canon R3
  • Canon R5
  • Canon R5 Mark II
  • Canon R5 C
  • Canon R6
  • Canon R6 Mark II
  • Canon R7
  • Canon R8
  • Canon R10
  • Canon R50
  • Canon R50 V
  • Canon R100
  • Canon RP
  • Canon S120
  • Canon SL1
  • Canon SL2
  • Canon SL3
  • Canon SX1
  • Canon SX10
  • Canon SX20
  • Canon SX30
  • Canon SX40
  • Canon SX50
  • Canon SX60
  • Canon SX70
  • Canon SX400
  • Canon SX410
  • Canon SX420
  • Canon SX430
  • Canon SX500
  • Canon SX510
  • Canon SX520
  • Canon SX530
  • Canon SX540
  • Canon SX600
  • Canon SX610
  • Canon SX620
  • Canon SX700
  • Canon SX710
  • Canon SX720
  • Canon SX730
  • Canon SX740
  • Canon Rebel
  • Canon T1i
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  • Canon T3
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  • Canon T5
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  • Canon T6
  • Canon T6i
  • Canon T6s
  • Canon T7
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  • Canon T100
  • Canon V1
  • Canon XC10
  • Canon XS
  • Canon XSi
  • Canon XT
  • Canon XTi
  • Contax N Digital
  • Epson R-D1
  • Fujifilm GFX 50R
  • Fujifilm GFX 50S
  • Fujifilm GFX 50S II
  • Fujifilm GFX 100
  • Fujifilm GFX 100 II
  • Fujifilm GFX 100RF
  • Fujifilm GFX 100S
  • Fujifilm GFX 100S II
  • Fujifilm X-A1
  • Fujifilm X-A2
  • Fujifilm X-A3
  • Fujifilm X-A5
  • Fujifilm X-A7
  • Fujifilm X-A10
  • Fujifilm X-E1
  • Fujifilm X-E2
  • Fujifilm X-E2S
  • Fujifilm X-E3
  • Fujifilm X-E4
  • Fujifilm X-E5
  • Fujifilm X-H1
  • Fujifilm X-H2
  • Fujifilm X-H2S
  • Fujifilm X-M1
  • Fujifilm X-M5
  • Fujifilm X-Pro1
  • Fujifilm X-Pro2
  • Fujifilm X-Pro3
  • Fujifilm X-S10
  • Fujifilm X-S20
  • Fujifilm X-T1
  • Fujifilm X-T2
  • Fujifilm X-T3
  • Fujifilm X-T4
  • Fujifilm X-T5
  • Fujifilm X-T10
  • Fujifilm X-T20
  • Fujifilm X-T30
  • Fujifilm X-T30 II
  • Fujifilm X-T50
  • Fujifilm X-T100
  • Fujifilm X-T200
  • Fujifilm X10
  • Fujifilm X20
  • Fujifilm X30
  • Fujifilm X70
  • Fujifilm X100
  • Fujifilm X100S
  • Fujifilm X100T
  • Fujifilm X100F
  • Fujifilm X100V
  • Fujifilm X100VI
  • Fujifilm XF10
  • Fujifilm XQ1
  • Fujifilm XQ2
  • Fujifilm XP120
  • Fujifilm XP130
  • Fujifilm XP140
  • Hasselblad X1D
  • Hasselblad X1D II
  • Hasselblad X2D 100C
  • Kodak AZ901
  • Kodak S-1
  • Leica C-LUX
  • Leica CL
  • Leica D-LUX Typ 109
  • Leica D-LUX 5
  • Leica D-LUX 6
  • Leica D-LUX 7
  • Leica D-LUX 8
  • Leica Digilux 3
  • Leica M Typ 240
  • Leica M-E Typ 240
  • Leica M Typ 262
  • Leica M8
  • Leica M9
  • Leica M10
  • Leica M10-P
  • Leica M10-R
  • Leica M11
  • Leica Q Typ 116
  • Leica Q2
  • Leica Q3
  • Leica S1
  • Leica S2
  • Leica S3
  • Leica S Typ 006
  • Leica S-E Typ 006
  • Leica S Typ 007
  • Leica SL
  • Leica SL2
  • Leica SL2-S
  • Leica SL3
  • Leica SL3-S
  • Leica T
  • Leica TL
  • Leica TL2
  • Leica V-LUX 1
  • Leica V-LUX 2
  • Leica V-LUX 3
  • Leica V-LUX 4
  • Leica V-LUX Typ 114
  • Leica V-LUX 5
  • Leica X1
  • Leica X2
  • Leica X Vario
  • Leica X Typ 113
  • Leica X-U Typ 113
  • Leitz Ur-Leica
  • Nikon 1 J4
  • Nikon 1 J5
  • Nikon 1 V1
  • Nikon 1 V2
  • Nikon 1 V3
  • Nikon Coolpix A
  • Nikon A1000
  • Nikon B500
  • Nikon B600
  • Nikon B700
  • Nikon D1
  • Nikon D1H
  • Nikon D1X
  • Nikon D2H
  • Nikon D2X
  • Nikon D2Xs
  • Nikon D3
  • Nikon D3S
  • Nikon D3X
  • Nikon D4
  • Nikon D4S
  • Nikon D5
  • Nikon D6
  • Nikon D40
  • Nikon D40X
  • Nikon D50
  • Nikon D60
  • Nikon D70
  • Nikon D70s
  • Nikon D80
  • Nikon D90
  • Nikon D100
  • Nikon D200
  • Nikon D300
  • Nikon D300S
  • Nikon D500
  • Nikon D600
  • Nikon D610
  • Nikon D700
  • Nikon D750
  • Nikon D780
  • Nikon D800
  • Nikon D800E
  • Nikon D810
  • Nikon D850
  • Nikon D3000
  • Nikon D3100
  • Nikon D3200
  • Nikon D3300
  • Nikon D3400
  • Nikon D3500
  • Nikon D5000
  • Nikon D5100
  • Nikon D5200
  • Nikon D5300
  • Nikon D5500
  • Nikon D5600
  • Nikon D7000
  • Nikon D7100
  • Nikon D7200
  • Nikon D7500
  • Nikon Df
  • Nikon L840
  • Nikon P900
  • Nikon P950
  • Nikon P1000
  • Nikon P1100
  • Nikon P7800
  • Nikon W150
  • Nikon W300
  • Nikon Z5
  • Nikon Z5 II
  • Nikon Z6
  • Nikon Z6 II
  • Nikon Z6 III
  • Nikon Z7
  • Nikon Z7 II
  • Nikon Z8
  • Nikon Z9
  • Nikon Z30
  • Nikon Z50
  • Nikon Z50 II
  • Nikon Zf
  • Nikon Z fc
  • Olympus E-1
  • Olympus E-3
  • Olympus E-5
  • Olympus E-30
  • Olympus E-300
  • Olympus E-330
  • Olympus E-400
  • Olympus E-410
  • Olympus E-420
  • Olympus E-450
  • Olympus E-500
  • Olympus E-510
  • Olympus E-520
  • Olympus E-600
  • Olympus E-620
  • Olympus E-M1
  • Olympus E-M1 II
  • Olympus E-M1 III
  • Olympus E-M1X
  • Olympus E-M5
  • Olympus E-M5 II
  • Olympus E-M5 III
  • Olympus E-M10
  • Olympus E-M10 II
  • Olympus E-M10 III
  • Olympus E-M10 IV
  • Olympus E-P1
  • Olympus E-P2
  • Olympus E-P3
  • Olympus E-P5
  • Olympus E-P7
  • Olympus E-PL1
  • Olympus E-PL2
  • Olympus E-PL3
  • Olympus E-PL5
  • Olympus E-PL6
  • Olympus E-PL7
  • Olympus E-PL8
  • Olympus E-PL9
  • Olympus E-PL10
  • Olympus E-PM1
  • Olympus E-PM2
  • Olympus PEN-F
  • Olympus Stylus 1
  • Olympus Stylus 1s
  • Olympus TG-4
  • Olympus TG-5
  • Olympus TG-6
  • Olympus XZ-1
  • Olympus XZ-2
  • OM System OM-1
  • OM System OM-1 II
  • OM System OM-3
  • OM System OM-5
  • OM System OM-5 II
  • OM System TG-7
  • Panasonic FZ80
  • Panasonic FZ80D
  • Panasonic FZ100
  • Panasonic FZ150
  • Panasonic FZ200
  • Panasonic FZ300
  • Panasonic FZ1000
  • Panasonic FZ1000 II
  • Panasonic FZ2500
  • Panasonic G1
  • Panasonic G2
  • Panasonic G3
  • Panasonic G5
  • Panasonic G6
  • Panasonic G7
  • Panasonic G9
  • Panasonic G9 II
  • Panasonic G10
  • Panasonic G85
  • Panasonic G97
  • Panasonic G95
  • Panasonic G100
  • Panasonic GF1
  • Panasonic GF2
  • Panasonic GF3
  • Panasonic GF5
  • Panasonic GF6
  • Panasonic GF7
  • Panasonic GH1
  • Panasonic GH2
  • Panasonic GH3
  • Panasonic GH4
  • Panasonic GH5
  • Panasonic GH5 II
  • Panasonic GH5s
  • Panasonic GH6
  • Panasonic GH7
  • Panasonic GM1
  • Panasonic GM5
  • Panasonic GX1
  • Panasonic GX7
  • Panasonic GX8
  • Panasonic GX9
  • Panasonic GX85
  • Panasonic GX850
  • Panasonic L1
  • Panasonic L10
  • Panasonic LF1
  • Panasonic LX5
  • Panasonic LX7
  • Panasonic LX10
  • Panasonic LX100
  • Panasonic LX100 II
  • Panasonic S1
  • Panasonic S1 II
  • Panasonic S1H
  • Panasonic S1R
  • Panasonic S1R II
  • Panasonic S5
  • Panasonic S5 II
  • Panasonic S9
  • Panasonic TS7
  • Panasonic ZS70
  • Panasonic ZS80
  • Panasonic ZS100
  • Panasonic ZS200
  • Pentax 645D
  • Pentax 645Z
  • Pentax K-1
  • Pentax K-1 II
  • Pentax K-3
  • Pentax K-3 II
  • Pentax K-3 III
  • Pentax K-5
  • Pentax K-5 II
  • Pentax K-30
  • Pentax K-50
  • Pentax K-70
  • Pentax K-500
  • Pentax KP
  • Pentax K-S1
  • Pentax K-S2
  • Pentax MX-1
  • Pentax Q
  • Pentax WG-8
  • Pentax WG-90
  • Pentax WG-1000
  • Ricoh GR
  • Ricoh GR II
  • Ricoh GR III
  • Ricoh GR IIIx
  • Ricoh WG-6
  • Ricoh WG-60
  • Samsung NX1
  • Samsung NX30
  • Samsung NX500
  • Sigma fp
  • Sigma fp L
  • Sony A1
  • Sony A1 II
  • Sony A7
  • Sony A7 II
  • Sony A7 III
  • Sony A7 IV
  • Sony A7C
  • Sony A7C II
  • Sony A7C R
  • Sony A7R
  • Sony A7R II
  • Sony A7R III
  • Sony A7R IIIA
  • Sony A7R IV
  • Sony A7R IVA
  • Sony A7R V
  • Sony A7S
  • Sony A7S II
  • Sony A7S III
  • Sony A9
  • Sony A9 II
  • Sony A9 III
  • Sony A58
  • Sony A68
  • Sony A77
  • Sony A77 II
  • Sony A99
  • Sony A99 II
  • Sony A850
  • Sony A900
  • Sony A3000
  • Sony A5000
  • Sony A5100
  • Sony A6000
  • Sony A6100
  • Sony A6300
  • Sony A6400
  • Sony A6500
  • Sony A6600
  • Sony A6700
  • Sony H200
  • Sony H300
  • Sony H400
  • Sony HX80
  • Sony HX90V
  • Sony HX95
  • Sony HX99
  • Sony HX350
  • Sony HX400V
  • Sony NEX-3
  • Sony NEX-3N
  • Sony NEX-5
  • Sony NEX-5N
  • Sony NEX-5R
  • Sony NEX-5T
  • Sony NEX-6
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  • Sony NEX-C3
  • Sony NEX-F3
  • Sony RX0
  • Sony RX0 II
  • Sony RX1
  • Sony RX1R
  • Sony RX1R II
  • Sony RX1R III
  • Sony RX10
  • Sony RX10 II
  • Sony RX10 III
  • Sony RX10 IV
  • Sony RX100
  • Sony RX100 II
  • Sony RX100 III
  • Sony RX100 IV
  • Sony RX100 V
  • Sony RX100 VI
  • Sony RX100 VII
  • Sony WX800
  • Sony ZV-1
  • Sony ZV-1 II
  • Sony ZV-1F
  • Sony ZV-E1
  • Sony ZV-E10
  • Sony ZV-E10 II
  • YI M1
  • Zeiss ZX1
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Specifications: Panasonic G9 vs Panasonic GH3

Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

Camera Specifications
Camera Model Panasonic G9 Panasonic GH3
Camera Type Mirrorless system camera Mirrorless system camera
Camera Lens Micro Four Thirds lenses Micro Four Thirds lenses
Launch Date November 2017 September 2012
Launch Price USD 1,699 USD 1,299
Sensor Specs Panasonic G9 Panasonic GH3
Sensor Technology CMOS CMOS
Sensor Format Four Thirds Sensor Four Thirds Sensor
Sensor Size 17.3 x 13.0 mm 17.3 x 13.0 mm
Sensor Area 224.9 mm2 224.9 mm2
Sensor Diagonal 21.6 mm 21.6 mm
Crop Factor 2.0x 2.0x
Sensor Resolution 20.2 Megapixels 15.9 Megapixels
Image Resolution 5184 x 3888 pixels 4608 x 3456 pixels
Pixel Pitch 3.34 μm 3.76 μm
Pixel Density 8.96 MP/cm2 7.08 MP/cm2
Moiré control no AA filter Anti-Alias filter
Movie Capability 4K/60p Video 1080/60p Video
ISO Setting 200 - 25,600 ISO 200 - 12,800 ISO
ISO Boost 100 - 25,600 ISO 125 - 25,600 ISO
Image Processor Venus 10 Venus VII FHD
DXO Sensor Quality (score) .. 71
DXO Color Depth (bits) .. 22.7
DXO Dynamic Range (EV) .. 12.4
DXO Low Light (ISO) .. 812
Screen Specs Panasonic G9 Panasonic GH3
Viewfinder Type Electronic viewfinder Electronic viewfinder
Viewfinder Field of View 100% 100%
Viewfinder Magnification 0.83x 0.67x
Viewfinder Resolution 3680k dots 1746k dots
Top-Level Screen Control Panel no Top Display
LCD Framing Live View Live View
Rear LCD Size 3.0inch 3.0inch
LCD Resolution 1040k dots 614k dots
LCD Attachment Swivel screen Swivel screen
Touch Input Touchscreen Touchscreen
Shooting Specs Panasonic G9 Panasonic GH3
Focus System Contrast-detect AF Contrast-detect AF
Manual Focusing AidFocus Peakingno Peaking Feature
Continuous Shooting 20 shutter flaps/s 6 shutter flaps/s
Electronic Shutterup to 1/32000sYES
Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
Image StabilizationIn-body stabilizationLens stabilization only
Fill Flash no On-Board Flash Built-in Flash
Storage Medium SDXC cards SDXC cards
Single or Dual Card Slots Dual card slots Single card slot
UHS card support Dual UHS-II UHS-I
Connectivity Specs Panasonic G9 Panasonic GH3
External Flash Hotshoe Hotshoe
Studio Flash PC Sync socket PC Sync socket
USB Connector USB 3.0 USB 2.0
HDMI Port full HDMI mini HDMI
Microphone Port External MIC port External MIC port
Headphone Socket Headphone port Headphone port
Wifi Support Wifi built-in Wifi built-in
Bluetooth Support Bluetooth built-in no Bluetooth
Body Specs Panasonic G9 Panasonic GH3
Environmental SealingWeathersealed bodyWeathersealed body
Battery Type Panasonic DMW-BLF19 Panasonic DMW-BLF19
Battery Life (CIPA)400 shots per charge540 shots per charge
In-Camera Charging USB charging no USB charging
Body Dimensions 137 x 97 x 92 mm
(5.4 x 3.8 x 3.6 in)
133 x 93 x 82 mm
(5.2 x 3.7 x 3.2 in)
Camera Weight 658 g (23.2 oz) 550 g (19.4 oz)
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