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Panasonic GH4 vs Sony RX10 III

The Panasonic Lumix DMC-GH4 and the Sony Cyber-shot DSC-RX10 III are two enthusiast cameras that were announced, respectively, in February 2014 and March 2016. The GH4 is a mirrorless interchangeable lens camera, while the RX10 III is a fixed lens compact. The cameras are based on a Four Thirds (GH4) and an one-inch (RX10 III) sensor. The Panasonic has a resolution of 15.9 megapixels, whereas the Sony provides 20 MP.

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

Headline Specifications
Panasonic GH4
versus
Sony RX10 III
Panasonic GH4   Sony RX10 III
Mirrorless system camera Fixed lens compact camera
Micro Four Thirds lenses 24-600mm f/2.4-4.0
15.9 MP – Four Thirds sensor 20 MP – 1" sensor
4K/30p Video 4K/30p Video
ISO 200-25,600 ISO 100-12,800 (64 - 25,600)
Electronic viewfinder (2359k dots) Electronic viewfinder (2359k dots)
3.0" LCD – 1036k dots 3.0" LCD – 1229k dots
Swivel touchscreen Tilting screen (no touchscreen)
12 shutter flaps per second 14 shutter flaps per second
Weathersealed bodyWeathersealed body
500 shots per battery charge420 shots per battery charge
133 x 93 x 84 mm, 560 g 133 x 94 x 127 mm, 1051 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GH4 and the Sony Cyber-shot DSC-RX10 III? 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.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Panasonic GH4 and the Sony RX10 III. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Panasonic GH4 vs Sony RX10 III
Compare GH4 versus RX10 III top
Comparison GH4 or RX10 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX10 III is somewhat larger (1 percent) than the Panasonic GH4. 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 and possibly misleading, as the RX10 III has a lens built in, whereas the GH4 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the GH4 and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the GH4 gets 500 shots out of its DMW-BLF19 battery, while the RX10 III can take 420 images on a single charge of its NP-FW50 power pack. The power pack in the RX10 III can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic GH4 133 mm 93 mm 84 mm 560 g 500 Y Feb 2014 1,499ebay.com
2.
 
Sony RX10 III 133 mm 94 mm 127 mm 1051 g 420 Y Mar 2016 1,499ebay.com
3.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
4.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
5.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999ebay.com
6.
 
Panasonic G85 128 mm 89 mm 74 mm 505 g 330 Y Sep 2016 899ebay.com
7.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199ebay.com
8.
 
Panasonic GM5 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 749ebay.com
9.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
10.
 
Panasonic GM1 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 749ebay.com
11.
 
Panasonic GH3 133 mm 93 mm 82 mm 550 g 540 Y Sep 2012 1,299ebay.com
12.
 
Sony RX10 IV 133 mm 94 mm 145 mm 1095 g 400 Y Sep 2017 1,699 amazon.com
13.
 
Sony RX0 59 mm 41 mm 30 mm 110 g 240 Y Aug 2017 699ebay.com
14.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999ebay.com
15.
 
Sony RX10 II 129 mm 88 mm 102 mm 813 g 400 Y Jun 2015 1,299ebay.com
16.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699ebay.com
17.
 
Sony RX10 129 mm 88 mm 102 mm 813 g 420 Y Oct 2013 1,299ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic GH4 features a Four Thirds sensor and the Sony RX10 III an one-inch sensor. The sensor area in the RX10 III is 48 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 2.7. The sensor in the GH4 has a native 4:3 aspect ratio, while the one in the RX10 III offers a 3:2 aspect.

Panasonic GH4 and Sony RX10 III sensor measures

Despite having a smaller sensor, the RX10 III offers a higher resolution of 20 megapixels, compared with 15.9 MP of the GH4. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 2.41μm versus 3.76μm for the GH4). However, it should be noted that the RX10 III is much more recent (by 2 years and 1 month) than the GH4, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Sony RX10 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX10 III for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Panasonic GH4 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.

The Panasonic Lumix DMC-GH4 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 Sony Cyber-shot DSC-RX10 III are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 64-25600.

In terms of underlying technology, the GH4 is build around a CMOS sensor, while the RX10 III uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

GH4 versus RX10 III 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"). Of the two cameras under review, the GH4 has a notably higher overall DXO score than the RX10 III (overall score 4 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.099999999999998 bits higher color depth, 0.2 EV in additional dynamic range, and 0.7 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
2.
 
Sony RX10 III 1-inch 20.0 5472 36484K/30p23.112.647270
3.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
4.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
5.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
6.
 
Panasonic G85 Four Thirds 15.8 4592 34484K/30p22.812.565671
7.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
8.
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166
9.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
10.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
11.
 
Panasonic GH3 Four Thirds 15.9 4608 34561080/60p22.712.481271
12.
 
Sony RX10 IV 1-inch 20.0 5472 36484K/30p22.012.240863
13.
 
Sony RX0 1-inch 15.4 4800 32001080/60p22.412.454868
14.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
15.
 
Sony RX10 II 1-inch 20.0 5472 36484K/30p23.012.653170
16.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
17.
 
Sony RX10 1-inch 20.0 5472 36481080/60p22.912.647469
Note: DXO values in italics represent estimates based on sensor size and age.

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, and both provide the same movie specifications (4K/30p).

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The GH4 and the RX10 III are similar in the sense that both feature an electronic viewfinder, which is helpful when framing images in bright sunlight. Moreover, their viewfinders offer an identical resolution of 2359k dots. The following table reports on some other key feature differences and similarities of the Panasonic GH4, the Sony RX10 III, and comparable cameras.

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Core Features
    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 GH42359 n3.0 / 1036 swivel Y 1/8000s 12.0/s Y n
2.
 
Sony RX10 III2359 Y3.0 / 1229 tilting n 1/2000s 14.0/s Y Y
3.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
4.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
5.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
6.
 
Panasonic G852360 n3.0 / 1040 swivel Y 1/4000s 9.0/s Y Y
7.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
8.
 
Panasonic GM51166 n3.0 / 921 fixed Y 1/500s 5.8/s n n
9.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
10.
 
Panasonic GM1none n3.0 / 1036 fixed Y 1/500s 5.0/s Y n
11.
 
Panasonic GH31746 n3.0 / 614 swivel Y 1/4000s 6.0/s Y n
12.
 
Sony RX10 IV2359 Y3.0 / 1440 tilting Y 1/2000s 24.0/s Y Y
13.
 
Sony RX0none n1.5 / 230 fixed n .. 5.5/s n n
14.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
15.
 
Sony RX10 II2359 Y3.0 / 1229 tilting n 1/3200s 14.0/s Y Y
16.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
17.
 
Sony RX101440 Y3.0 / 1229 tilting n 1/3200s 10.0/s Y Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The GH4 has a touchscreen, while the RX10 III has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The GH4 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the RX10 III does not have a selfie-screen.

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 GH4 has 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.

The GH4 writes its imaging data to SDXC cards, while the RX10 III uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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 DMC-GH4 and Sony Cyber-shot DSC-RX10 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic GH4Ystereo / monoYYmicro2.0YY-
2.
 
Sony RX10 IIIYstereo / monoYYmicro2.0YY-
3.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
4.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
5.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
6.
 
Panasonic G85Ystereo / monoY-micro2.0Y--
7.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-
8.
 
Panasonic GM5Ystereo / mono--micro2.0Y--
9.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
10.
 
Panasonic GM1-stereo / mono--micro2.0Y--
11.
 
Panasonic GH3Ystereo / monoYYmini2.0Y--
12.
 
Sony RX10 IVYstereo / monoYYmicro2.0YY-
13.
 
Sony RX0-stereo / monoY-micro2.0Y-Y
14.
 
Sony RX100 V-stereo / mono--micro2.0YY-
15.
 
Sony RX10 IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A7Ystereo / monoYYmicro2.0YY-
17.
 
Sony RX10Ystereo / monoYYmicro2.0YY-

Studio photographers will appreciate that the Panasonic GH4 (unlike the RX10 III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the GH4 and the RX10 III have been discontinued, but can regularly be found used on ebay. The GH4 was replaced by the Panasonic GH5, while the RX10 III was followed by the Sony RX10 IV. Further information on the features and operation of the GH4 and RX10 III can be found, respectively, in the Panasonic GH4 Manual (free pdf) or the online Sony RX10 III Manual.

Review summary

So what is the bottom line? Is the Panasonic GH4 better than the Sony RX10 III or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Panasonic Lumix DMC-GH4:

  • Better image quality: Scores markedly higher (4 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (0.7 stops ISO advantage).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Longer lasting: Can take more shots (500 versus 420) on a single battery charge.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been available for much longer (launched in February 2014).

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Reasons to prefer the Sony Cyber-shot DSC-RX10 III:

  • More detail: Has more megapixels (20 vs 15.9MP), which boosts linear resolution by 14%.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.67x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1036k dots).
  • Faster burst: Shoots at higher frequency (14 vs 12 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has an integrated lens, whereas the GH4 necessitates an extra lens.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More modern: Reflects 2 years and 1 month of technical progress since the GH4 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the GH4 emerges as the winner of the contest (11 : 9 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

GH4 11:09 RX10 III

How about other alternatives? Do the specifications of the Panasonic GH4 and the Sony RX10 III place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best Superzoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the GH4 or the RX10 III perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic GH45/5+ +..85/1005/55/5 Feb 2014 1,499ebay.com
2.
 
Sony RX10 III5/5+..84/1004.5/54.5/5 Mar 2016 1,499ebay.com
3.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
4.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
5.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 1,999ebay.com
6.
 
Panasonic G85..+ +..84/1005/54.5/5 Sep 2016 899ebay.com
7.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 1,199ebay.com
8.
 
Panasonic GM53.5/5+..77/1005/54.5/5 Sep 2014 749ebay.com
9.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
10.
 
Panasonic GM13/5+..78/1005/54.5/5 Oct 2013 749ebay.com
11.
 
Panasonic GH35/5+ +..79/1004.5/54.5/5 Sep 2012 1,299ebay.com
12.
 
Sony RX10 IV5/5+3.5/584/1004.5/55/5 Sep 2017 1,699 amazon.com
13.
 
Sony RX0........3.5/54/5 Aug 2017 699ebay.com
14.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 999ebay.com
15.
 
Sony RX10 II5/5+ +..82/1004.5/54/5 Jun 2015 1,299ebay.com
16.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 1,699ebay.com
17.
 
Sony RX105/5+..80/1004.5/54.5/5 Oct 2013 1,299ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Panasonic GH4 vs Sony RX10 III

    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 GH4 Sony RX10 III
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Micro Four Thirds lenses 24-600mm f/2.4-4.0
    Launch Date February 2014 March 2016
    Launch Price USD 1,499 USD 1,499
    Sensor Specs Panasonic GH4 Sony RX10 III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Four Thirds Sensor 1" Sensor
    Sensor Size 17.3 x 13.0 mm 13.2 x 8.8 mm
    Sensor Area 224.9 mm2 116.16 mm2
    Sensor Diagonal 21.6 mm 15.9 mm
    Crop Factor 2.0x 2.7x
    Sensor Resolution 15.9 Megapixels 20 Megapixels
    Image Resolution 4608 x 3456 pixels 5472 x 3648 pixels
    Pixel Pitch 3.76 μm 2.41 μm
    Pixel Density 7.08 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 200 - 25,600 ISO 100 - 12,800 ISO
    ISO Boost 100 - 25,600 ISO 64 - 25,600 ISO
    Image Processor Venus IX BIONZ X
    DXO Sensor Quality (score) 74 70
    DXO Color Depth (bits) 23.2 23.1
    DXO Dynamic Range (EV) 12.8 12.6
    DXO Low Light (ISO) 791 472
    Screen Specs Panasonic GH4 Sony RX10 III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.67x 0.70x
    Viewfinder Resolution 2359k dots 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1036k dots 1229k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic GH4 Sony RX10 III
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/2000s
    Continuous Shooting 12 shutter flaps/s 14 shutter flaps/s
    Electronic Shutterup to 1/8000sup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Panasonic GH4 Sony RX10 III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Body Specs Panasonic GH4 Sony RX10 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type DMW-BLF19 NP-FW50
    Battery Life (CIPA)500 shots per charge420 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 133 x 93 x 84 mm
    (5.2 x 3.7 x 3.3 in)
    133 x 94 x 127 mm
    (5.2 x 3.7 x 5.0 in)
    Camera Weight 560 g (19.8 oz) 1051 g (37.1 oz)
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    Check RX10 III offers at
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