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Olympus E-M10 vs Panasonic GH3

The Olympus OM-D E-M10 and the Panasonic Lumix DMC-GH3 are two digital cameras that were announced, respectively, in January 2014 and September 2012. Both the E-M10 and the GH3 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. Both cameras offer a resolution of 15.9 megapixels.

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

Headline Specifications
Olympus E-M10
versus
Panasonic GH3
Olympus E-M10   Panasonic GH3
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Micro Four Thirds lenses
15.9 MP – Four Thirds sensor 15.9 MP – Four Thirds sensor
1080/30p Video 1080/60p Video
ISO 200-25,600 ISO 200-12,800 (125 - 25,600)
Electronic viewfinder (1440k dots) Electronic viewfinder (1746k dots)
3.0" LCD – 1037k dots 3.0" LCD – 614k dots
Tilting touchscreen Swivel touchscreen
8 shutter flaps per second 6 shutter flaps per second
In-body stabilizationLens stabilization only
not weather sealedWeathersealed body
320 shots per battery charge540 shots per battery charge
119 x 82 x 46 mm, 396 g 133 x 93 x 82 mm, 550 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M10 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 side-by-side display below illustrates the physical size and weight of the Olympus E-M10 and the Panasonic GH3. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

The E-M10 can be obtained in two different colors (black, silver), while the GH3 is only available in black.

Size Olympus E-M10 vs Panasonic GH3
Compare E-M10 versus GH3 top
Comparison E-M10 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 larger (27 percent) than the Olympus E-M10. Moreover, the GH3 is substantially heavier (39 percent) than the E-M10. It is noteworthy in this context that the GH3 is splash and dust-proof, while the E-M10 does not feature any corresponding weather-sealing.

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.

Concerning battery life, the E-M10 gets 320 shots out of its Olympus BLS-5 battery, while the GH3 can take 540 images on a single charge of its Panasonic DMW-BLF19 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons 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.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 i Jan 2014 EUR 599ebay.com
2.
 
Panasonic GH3 133 mm 93 mm 82 mm 550 g 540 i Sep 2012 EUR 1 199ebay.com
3.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 i Sep 2013 EUR 1 499ebay.com
4.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 i Feb 2015 EUR 1 099ebay.com
5.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 i Aug 2015 EUR 599ebay.com
6.
 
Olympus E-M10 III 122 mm 84 mm 50 mm 410 g 330 i Aug 2017 EUR 649ebay.com
7.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 i May 2013 EUR 999ebay.com
8.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 i Sep 2012 EUR 599ebay.com
9.
 
Olympus E-PL6 111 mm 64 mm 38 mm 325 g 360 i May 2013 EUR 599ebay.com
10.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 i Aug 2014 EUR 599ebay.com
11.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 i Apr 2013 EUR 549ebay.com
12.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 i Sep 2010 EUR 899ebay.com
13.
 
Panasonic GH4 133 mm 93 mm 84 mm 560 g 500 i Feb 2014 EUR 1 499ebay.com
14.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 i Aug 2013 EUR 999ebay.com
15.
 
Panasonic GX80 122 mm 71 mm 44 mm 426 g 290 i Apr 2016 EUR 799 amazon.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 E-M10 was launched at a markedly lower price (by 46 percent) than the GH3, which puts it into a different market segment. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels 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.

Olympus E-M10 and Panasonic GH3 sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 15.9 megapixels. This similarity in sensor specs implies that both the E-M10 and the GH3 have the same pixel density, as well as the same pixel size. It should, however, be noted that the E-M10 is a somewhat more recent model (by 1 year and 4 months) than the GH3, and its sensor might have benefitted from technological advances during this time. Coming back to sensor resolution, it should be mentioned that the E-M10 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The Olympus OM-D E-M10 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.

E-M10 versus GH3 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
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-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
5.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
6.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
7.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
8.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
9.
 
Olympus E-PL6 Four Thirds 15.9 4608 34561080/30p22.512.071768
10.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
11.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
12.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
13.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
14.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
15.
 
Panasonic GX80 Four Thirds 15.8 4592 34484K/30p22.912.666271
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 are equipped with sensors that have a sufficiently high read-out speed for moving images, but the GH3 provides a faster frame rate than the E-M10. It can shoot movie footage at 1080/60p, while the Olympus is limited to 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the GH3 offers a higher resolution than the one in the E-M10 (1746k vs 1440k dots). The table below summarizes some of the other core capabilities of the Olympus E-M10 and Panasonic GH3 in connection with corresponding information for a sample of similar cameras.

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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.
 
Olympus E-M101440 i3.0 / 1037 tilting i 1/4000s 8.0/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-M5 II2360 i3.0 / 1037 swivel i 1/8000s 10.0/s i i
5.
 
Olympus E-M10 II2360 i3.0 / 1040 tilting i 1/4000s 8.0/s i i
6.
 
Olympus E-M10 III2360 i3.0 / 1040 tilting i 1/4000s 8.6/s i i
7.
 
Olympus E-P5optional i3.0 / 1037 tilting i 1/8000s 9.0/s i i
8.
 
Olympus E-PL5optional i3.0 / 460 tilting i 1/4000s 8.0/s i i
9.
 
Olympus E-PL6optional i3.0 / 460 tilting i 1/4000s 8.0/s i i
10.
 
Olympus E-PL7optional i3.0 / 1037 tilting i 1/4000s 8.0/s i i
11.
 
Panasonic G61440 i3.0 / 1036 swivel i 1/4000s 7.0/s i i
12.
 
Panasonic GH21534 i3.0 / 460 swivel i 1/4000s 3.0/s i i
13.
 
Panasonic GH42359 i3.0 / 1036 swivel i 1/8000s 12.0/s i i
14.
 
Panasonic GX72760 i3.0 / 1040 tilting i 1/8000s 5.0/s i i
15.
 
Panasonic GX802765 i3.0 / 1040 tilting i 1/4000s 8.0/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 differentiates the E-M10 and the GH3 is in-body image stabilization (IBIS). The E-M10 reduces the risk of handshake-induced blur with all attached lenses, while the GH3 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The GH3 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the E-M10 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, the GH3 is one of those camera that have an additional 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 Olympus E-M10 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 E-M10 and the GH3 write their files to SDXC 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 Olympus OM-D E-M10 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.
 
Olympus E-M10istereo / monoiimicro2.0iii
2.
 
Panasonic GH3istereo / monoiimini2.0iii
3.
 
Olympus E-M1istereo / monoiimicro2.0iii
4.
 
Olympus E-M5 IIistereo / monoiimicro2.0iii
5.
 
Olympus E-M10 IIistereo / monoiimicro2.0iii
6.
 
Olympus E-M10 IIIistereo / monoiimicro2.0iii
7.
 
Olympus E-P5istereo / monoiimicro2.0iii
8.
 
Olympus E-PL5istereo / monoiimini2.0iii
9.
 
Olympus E-PL6istereo / monoiimini2.0iii
10.
 
Olympus E-PL7istereo / monoiimicro2.0iii
11.
 
Panasonic G6istereo / monoiimini2.0iii
12.
 
Panasonic GH2istereo / monoiimini2.0iii
13.
 
Panasonic GH4istereo / monoiimicro2.0iii
14.
 
Panasonic GX7istereo / monoiimini2.0iii
15.
 
Panasonic GX80istereo / 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

It is notable that the GH3 has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The E-M10 lacks such a headphone port.

Studio photographers will appreciate that the Panasonic GH3 (unlike the E-M10) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-M10 and the GH3 have been discontinued, but can regularly be found used on ebay. The GH3 was replaced by the Panasonic GH4, while the E-M10 was followed by the Olympus E-M10 II. Further information on the features and operation of the E-M10 and GH3 can be found, respectively, in the Olympus E-M10 Manual (free pdf) or the online Panasonic GH3 Manual.

Review summary

So what is the bottom line? Which of the two cameras – the Olympus E-M10 or the Panasonic GH3 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Olympus OM-D E-M10:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 614k dots).
  • Faster burst: Shoots at higher frequency (8 vs 6 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (119x82mm vs 133x93mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 154g or 28 percent) and hence easier to carry around.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More affordable: Was introduced into a lower priced category (46 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 1 year and 4 months after the GH3).

ilogo

Reasons to prefer the Panasonic Lumix DMC-GH3:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (1746k vs 1440k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.67x vs 0.58x).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Longer lasting: Gets more shots (540 versus 320) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been on the market for longer (launched in September 2012).

If the count of individual advantages (bullet points above) is taken as a guide, the GH3 is the clear winner of the contest (13 : 8 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-M10 08:13 GH3

How about other alternatives? Do the specifications of the Olympus E-M10 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 E-M10 or the GH3. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major 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.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 EUR 599ebay.com
2.
 
Panasonic GH35/5+ +..79/1004.5/54.5/5 Sep 2012 EUR 1 199ebay.com
3.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 EUR 1 499ebay.com
4.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 EUR 1 099ebay.com
5.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 EUR 599ebay.com
6.
 
Olympus E-M10 III..+5/580/1004.5/54.5/5 Aug 2017 EUR 649ebay.com
7.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 EUR 999ebay.com
8.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 EUR 599ebay.com
9.
 
Olympus E-PL6............ May 2013 EUR 599ebay.com
10.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 EUR 599ebay.com
11.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 EUR 549ebay.com
12.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 EUR 899ebay.com
13.
 
Panasonic GH45/5+ +..85/1005/55/5 Feb 2014 EUR 1 499ebay.com
14.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 EUR 999ebay.com
15.
 
Panasonic GX804.5/5+ +..82/1005/55/5 Apr 2016 EUR 799 amazon.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 above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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  • Canon V1
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  • Canon XS
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  • Contax N Digital
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  • Fujifilm X-A1
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  • Fujifilm X-S10
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  • Fujifilm X-T1
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  • 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
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  • Fujifilm X10
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  • Fujifilm X70
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  • Fujifilm X100F
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  • Fujifilm XF10
  • Fujifilm XQ1
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  • 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
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  • Leica Q Typ 116
  • Leica Q2
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  • Leica S1
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  • Leica S Typ 006
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  • Leica S Typ 007
  • Leica SL
  • Leica SL2
  • Leica SL2-S
  • Leica SL3
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  • Leica T
  • Leica TL
  • Leica TL2
  • Leica V-LUX 1
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  • 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
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  • Olympus E-1
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  • Olympus E-450
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  • Olympus E-600
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  • Olympus E-M1
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  • Olympus E-M5 III
  • Olympus E-M10
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  • Olympus E-M10 III
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  • Olympus E-P1
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  • Olympus E-PM1
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  • Olympus Stylus 1
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  • Olympus TG-4
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  • OM System OM-1
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  • OM System OM-3
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  • OM System TG-7
  • Panasonic FZ80
  • Panasonic FZ80D
  • Panasonic FZ100
  • Panasonic FZ150
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  • Panasonic FZ300
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  • Panasonic FZ1000 II
  • Panasonic FZ2500
  • Panasonic G1
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  • Panasonic G3
  • Panasonic G5
  • Panasonic G6
  • Panasonic G7
  • Panasonic G9
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  • Panasonic G10
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  • Panasonic G97
  • Panasonic G95
  • Panasonic G100
  • Panasonic GF1
  • Panasonic GF2
  • Panasonic GF3
  • Panasonic GF5
  • Panasonic GF6
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  • 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
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  • Pentax K-30
  • Pentax K-50
  • Pentax K-70
  • Pentax K-500
  • Pentax KP
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  • Pentax K-S2
  • Pentax MX-1
  • Pentax Q
  • Pentax WG-8
  • Pentax WG-90
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  • Ricoh GR
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  • Ricoh GR IIIx
  • Ricoh WG-6
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  • Samsung NX1
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  • Sigma fp
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  • Sony A1
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  • Sony A7
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  • Sony A7C
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  • Sony A7C R
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  • Sony A7S
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  • Sony A9
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  • Sony A58
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  • Sony A99
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  • Sony A850
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  • Sony A3000
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  • Sony A5100
  • Sony A6000
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  • Sony A6300
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  • Sony A6600
  • Sony A6700
  • Sony H200
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  • Sony HX80
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  • Sony NEX-3
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  • Sony RX0
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  • Sony RX1
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  • Sony RX10
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  • Sony RX10 IV
  • Sony RX100
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  • 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: Olympus E-M10 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 Olympus E-M10 Panasonic GH3
Camera Type Mirrorless system camera Mirrorless system camera
Camera Lens Micro Four Thirds lenses Micro Four Thirds lenses
Launch Date January 2014 September 2012
Launch Price USD 699 USD 1,299
Sensor Specs Olympus E-M10 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 15.9 Megapixels 15.9 Megapixels
Image Resolution 4608 x 3456 pixels 4608 x 3456 pixels
Pixel Pitch 3.76 μm 3.76 μm
Pixel Density 7.08 MP/cm2 7.08 MP/cm2
Moiré control no AA filter Anti-Alias filter
Movie Capability 1080/30p 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 TruePic VII Venus VII FHD
DXO Sensor Quality (score) 72 71
DXO Color Depth (bits) 22.8 22.7
DXO Dynamic Range (EV) 12.3 12.4
DXO Low Light (ISO) 884 812
Screen Specs Olympus E-M10 Panasonic GH3
Viewfinder Type Electronic viewfinder Electronic viewfinder
Viewfinder Field of View 100% 100%
Viewfinder Magnification 0.58x 0.67x
Viewfinder Resolution 1440k dots 1746k dots
LCD Framing Live View Live View
Rear LCD Size 3.0inch 3.0inch
LCD Resolution 1037k dots 614k dots
LCD Attachment Tilting screen Swivel screen
Touch Input Touchscreen Touchscreen
Shooting Specs Olympus E-M10 Panasonic GH3
Focus System Contrast-detect AF Contrast-detect AF
Manual Focusing AidFocus Peakingno Peaking Feature
Continuous Shooting 8 shutter flaps/s 6 shutter flaps/s
Electronic Shutterno E-ShutterYES
Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
Image StabilizationIn-body stabilizationLens stabilization only
Fill Flash Built-in Flash Built-in Flash
Storage Medium SDXC cards SDXC cards
Single or Dual Card Slots Single card slot Single card slot
UHS card support UHS-I UHS-I
Connectivity Specs Olympus E-M10 Panasonic GH3
External Flash Hotshoe Hotshoe
Studio Flash no PC Sync PC Sync socket
USB Connector USB 2.0 USB 2.0
HDMI Port micro HDMI mini HDMI
Microphone Port no MIC socket External MIC port
Headphone Socket no Headphone port Headphone port
Wifi Support Wifi built-in Wifi built-in
Body Specs Olympus E-M10 Panasonic GH3
Environmental Sealingnot weather sealedWeathersealed body
Battery Type Olympus BLS-5 Panasonic DMW-BLF19
Battery Life (CIPA)320 shots per charge540 shots per charge
Body Dimensions 119 x 82 x 46 mm
(4.7 x 3.2 x 1.8 in)
133 x 93 x 82 mm
(5.2 x 3.7 x 3.2 in)
Camera Weight 396 g (14.0 oz) 550 g (19.4 oz)
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