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Olympus E-M1X vs Panasonic GH3

The Olympus OM-D E-M1X and the Panasonic Lumix DMC-GH3 are two enthusiast cameras that were revealed to the public, respectively, in January 2019 and September 2012. Both the E-M1X and the GH3 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. The Olympus has a resolution of 20.2 megapixels, whereas the Panasonic 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
Olympus E-M1X   Panasonic GH3
Olympus E-M1X 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/30p Video 1080/60p Video
ISO 200-25600 ISO 200-12800 (125-25600)
Electronic viewfinder (2360k dots) Electronic viewfinder (1746k dots)
3.0" LCD, 1037k dots 3.0" LCD, 614k dots
Swivel touchscreen Swivel touchscreen
18 shutter flaps per second 6 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyWeathersealed body
870 shots per battery charge540 shots per battery charge
144 x 147 x 75 mm, 997 g 133 x 93 x 82 mm, 550 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M1X 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.

Body comparison: Olympus E-M1X vs Panasonic GH3

The physical size and weight of the Olympus E-M1X and the Panasonic GH3 are illustrated in the side-by-side display below. 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 dimensions are rounded to the nearest millimeter.

The E-M1X can be obtained in two different colors (black, silver), while the GH3 is only available in black.

Size Olympus E-M1X vs Panasonic GH3
Compare E-M1X versus GH3 top
Comparison E-M1X 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 considerably smaller (42 percent) than the Olympus E-M1X. Moreover, the GH3 is substantially lighter (45 percent) than the E-M1X. 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.

Concerning battery life, the E-M1X gets 870 shots out of its BLH-1 battery, while the GH3 can take 540 images on a single charge of its DMW-BLF19 power pack. As can be seen in the images above, the E-M1X has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the GH3, Panasonic provides the DMW-BGGH3 vertical grip as an optional accessory (see here on eBay). The power pack in the E-M1X can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Olympus E-M1X» 5.7 in 5.8 in 3.0 in 35.2 oz 870 Y Jan 2019 2,999 i i Olympus E-M1X
 
Panasonic GH3« 5.2 in 3.7 in 3.2 in 19.4 oz 540 Y Sep 2012 1,299- i Panasonic GH3
 
Olympus E-M1 II« » 5.3 in 3.6 in 2.6 in 20.2 oz 440 Y Sep 2016 1,999 i i Olympus E-M1 II
 
Olympus PEN-F« » 4.9 in 2.8 in 1.5 in 15.1 oz 330 n Jan 2016 1,199 i i Olympus PEN-F
 
Olympus E-M5 II« » 4.9 in 3.3 in 1.8 in 16.5 oz 310 Y Feb 2015 1,099 i i Olympus E-M5 II
 
Olympus E-M1« » 5.1 in 3.7 in 2.5 in 17.5 oz 350 Y Sep 2013 1,399- i Olympus E-M1
 
Panasonic S1« » 5.9 in 4.3 in 3.8 in 35.9 oz 400 Y Feb 2019 2,499 i i Panasonic S1
 
Panasonic G90« » 5.1 in 3.7 in 3.0 in 18.9 oz 290 Y Apr 2019 999 i i Panasonic G90
 
Panasonic G95« » 5.1 in 3.7 in 3.0 in 18.9 oz 290 Y Apr 2019 999 i i Panasonic G95
 
Panasonic G9« » 5.4 in 3.8 in 3.6 in 23.2 oz 400 Y Nov 2017 1,699 i i Panasonic G9
 
Panasonic GH5« » 5.5 in 3.9 in 3.4 in 25.6 oz 410 Y Jan 2017 1,999 i i Panasonic GH5
 
Panasonic GX8« » 5.2 in 3.1 in 2.5 in 17.2 oz 330 Y Jul 2015 1,199- i Panasonic GX8
 
Panasonic GH4« » 5.2 in 3.7 in 3.3 in 19.8 oz 500 Y Feb 2014 1,499- i Panasonic GH4
 
Panasonic G6« » 4.8 in 3.3 in 2.8 in 13.8 oz 340 n Apr 2013 599- i Panasonic G6
 
Panasonic GH2« » 4.9 in 3.5 in 3.0 in 15.6 oz 330 n Sep 2010 899- i Panasonic GH2
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. 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 markedly lower price (by 57 percent) than the E-M1X, which puts it into a different market segment. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Olympus E-M1X vs Panasonic GH3

The size of the imaging sensor is a crucial determinant 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. 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 tend to be associated with larger, more expensive camera bodies 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-M1X and Panasonic GH3 sensor measures

While the two cameras under review share the same sensor size, the E-M1X 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 E-M1X 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 E-M1X is much more recent (by 6 years and 4 months) 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 E-M1X has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M1X implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M1X for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inch or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inch or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inch or 43.9 x 32.9 cm. The corresponding values for the Panasonic GH3 are 23 x 17.3 inch or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inch or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inch or 39 x 29.3 cm for excellent quality prints.

The E-M1X has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the GH3, the E-M1X has the capacity to capture high quality composite images (80MP) 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 Olympus OM-D E-M1X has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 64-25600. 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.

E-M1X versus GH3 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Olympus E-M1X» Four Thirds 20.2 5184 38884K/30p----Olympus E-M1X
 
Panasonic GH3« Four Thirds 15.9 4608 34561080/60p22.712.481271Panasonic GH3
 
Olympus E-M1 II« » Four Thirds 20.2 5184 38884K/30p23.712.8131280Olympus E-M1 II
 
Olympus PEN-F« » Four Thirds 20.2 5184 38881080/60p23.112.489474Olympus PEN-F
 
Olympus E-M5 II« » Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
 
Olympus E-M1« » Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
 
Panasonic S1« » Full Frame 24.0 6000 40004K/60p25.214.5333395Panasonic S1
 
Panasonic G90« » Four Thirds 20.2 5184 38884K/30p----Panasonic G90
 
Panasonic G95« » Four Thirds 20.2 5184 38884K/30p----Panasonic G95
 
Panasonic G9« » Four Thirds 20.2 5184 38884K/60p----Panasonic G9
 
Panasonic GH5« » Four Thirds 20.2 5184 38884K/60p23.913.080777Panasonic GH5
 
Panasonic GX8« » Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8
 
Panasonic GH4« » Four Thirds 15.9 4608 34564K/30p23.212.879174Panasonic GH4
 
Panasonic G6« » Four Thirds 15.9 4608 34561080/60p21.311.563961Panasonic G6
 
Panasonic GH2« » Four Thirds 15.9 4608 34561080/60i21.211.365560Panasonic GH2

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the E-M1X provides a higher video resolution than the GH3. It can shoot video footage at 4K/30p, while the Panasonic is limited to 1080/60p.

 

Feature comparison: Olympus E-M1X vs Panasonic GH3

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 E-M1X offers a substantially higher resolution than the one in the GH3 (2360k vs 1746k dots). The following table reports on some other key feature differences and similarities of the Olympus E-M1X, the Panasonic GH3, and comparable cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Olympus E-M1X»2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1X
 
Panasonic GH3«1746 n 3.0 614 swivel Y 1/4000s 6.0 Y n Panasonic GH3
 
Olympus E-M1 II« »2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1 II
 
Olympus PEN-F« »2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus PEN-F
 
Olympus E-M5 II« »2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus E-M5 II
 
Olympus E-M1« »2360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y Olympus E-M1
 
Panasonic S1« »5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1
 
Panasonic G90« »2360 n 3.0 1240 swivel Y 1/4000s 9.0 Y Y Panasonic G90
 
Panasonic G95« »2360 n 3.0 1240 swivel Y 1/4000s 9.0 Y Y Panasonic G95
 
Panasonic G9« »3680 Y 3.0 1040 swivel Y 1/8000s 20.0 n Y Panasonic G9
 
Panasonic GH5« »3680 n 3.2 1620 swivel Y 1/8000s 12.0 n Y Panasonic GH5
 
Panasonic GX8« »2360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Panasonic GX8
 
Panasonic GH4« »2359 n 3.0 1036 swivel Y 1/8000s 12.0 Y n Panasonic GH4
 
Panasonic G6« »1440 n 3.0 1036 swivel Y 1/4000s 7.0 Y n Panasonic G6
 
Panasonic GH2« »1534 n 3.0 460 swivel n 1/4000s 3.0 Y n Panasonic GH2

One feature that differentiates the E-M1X and the GH3 is in-body image stabilization (IBIS). The E-M1X reduces the risk of handshake-induced blur with all attached lenses, while the GH3 has to rely on optical image stabilization in OIS-equipped lenses to achieve the same effect.

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, the E-M1X 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-M1X 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-M1X and the GH3 write their files to SDXC cards. The E-M1X features dual card slots, which can be very useful in case a memory card fails. In contrast, the GH3 only has one slot. The E-M1X supports UHS-II cards (on both slots), while the GH3 can use UHS-I cards.

 

Connectivity comparison: Olympus E-M1X vs Panasonic GH3

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-M1X and Panasonic Lumix DMC-GH3 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Olympus E-M1X»YstereomonoYYmicro3.0Y-YOlympus E-M1X
 
Panasonic GH3«YstereomonoYYmini2.0Y--Panasonic GH3
 
Olympus E-M1 II« »YstereomonoYYmicro3.0Y--Olympus E-M1 II
 
Olympus PEN-F« »Ystereomono--micro2.0Y--Olympus PEN-F
 
Olympus E-M5 II« »YstereomonoY-micro2.0Y--Olympus E-M5 II
 
Olympus E-M1« »YstereomonoY-micro2.0Y--Olympus E-M1
 
Panasonic S1« »YstereomonoYYfull3.1Y-YPanasonic S1
 
Panasonic G90« »YstereomonoYYmicro2.0Y-YPanasonic G90
 
Panasonic G95« »YstereomonoYYmicro2.0Y-YPanasonic G95
 
Panasonic G9« »YstereomonoYYfull3.0Y-YPanasonic G9
 
Panasonic GH5« »YstereomonoYYfull3.1Y-YPanasonic GH5
 
Panasonic GX8« »YstereomonoY-micro2.0YY-Panasonic GX8
 
Panasonic GH4« »YstereomonoYYmicro2.0YY-Panasonic GH4
 
Panasonic G6« »YstereomonoY-mini2.0YY-Panasonic G6
 
Panasonic GH2« »YstereomonoY-mini2.0---Panasonic GH2

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

The E-M1X is a recent model that features in the current product line-up of Olympus. In contrast, the GH3 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the GH3 was succeeded by the Panasonic GH4. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Panasonic websites.


Review summary: Olympus E-M1X vs Panasonic GH3

So how do things add up? Which of the two cameras – the Olympus E-M1X or the Panasonic GH3 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Olympus OM-D E-M1X:

  • 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/30p vs 1080/60p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2360k vs 1746k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.83x vs 0.67x).
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 614k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (18 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (870 versus 540) on a single battery charge.
  • 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).
  • 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 6 years and 4 months of technical progress since the GH3 launch.

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Reasons to prefer the Panasonic Lumix DMC-GH3:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More compact: Is smaller (133x93mm vs 144x147mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 447g or 45 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (57 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in September 2012).

If the count of individual advantages (bullet points above) is taken as a guide, the E-M1X is the clear winner of the match-up (19 : 6 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 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.

E-M1X 19:06 GH3

How about other alternatives? Do the specifications of the Olympus E-M1X 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-M1X or the GH3. 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: Olympus E-M1X vs Panasonic GH3

This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Olympus E-M1X»o-4.5/5-- Jan 2019 2,999 i i Olympus E-M1X
 
Panasonic GH3«+ +79/1004.5/55/54.5/5 Sep 2012 1,299- i Panasonic GH3
 
Olympus E-M1 II« »+ +85/1004.5/55/54.5/5 Sep 2016 1,999 i i Olympus E-M1 II
 
Olympus PEN-F« »-82/1004.5/54.5/55/5 Jan 2016 1,199 i i Olympus PEN-F
 
Olympus E-M5 II« »+ +81/1005/54.5/55/5 Feb 2015 1,099 i i Olympus E-M5 II
 
Olympus E-M1« »+ +84/1004.5/54.5/54.5/5 Sep 2013 1,399- i Olympus E-M1
 
Panasonic S1« »+ +---4/5 Feb 2019 2,499 i i Panasonic S1
 
Panasonic G90« »+-4.5/5-4.5/5 Apr 2019 999 i i Panasonic G90
 
Panasonic G95« »+-4.5/5-4.5/5 Apr 2019 999 i i Panasonic G95
 
Panasonic G9« »+ +85/1005/55/55/5 Nov 2017 1,699 i i Panasonic G9
 
Panasonic GH5« »+ +85/1004.5/55/55/5 Jan 2017 1,999 i i Panasonic GH5
 
Panasonic GX8« »+82/1004.5/55/54.5/5 Jul 2015 1,199- i Panasonic GX8
 
Panasonic GH4« »+ +85/1005/55/55/5 Feb 2014 1,499- i Panasonic GH4
 
Panasonic G6« »+ +-5/5-4.5/5 Apr 2013 599- i Panasonic G6
 
Panasonic GH2« »+ +79/1004.5/54.5/55/5 Sep 2010 899- i Panasonic GH2
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

Olympus E-M1X:
Check Amazon price
Panasonic GH3:
Check Ebay offers

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 your choice using the following search menu. 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: Olympus E-M1X 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-M1X Panasonic GH3
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Micro Four Thirds lenses
    Launch Date January 2019 September 2012
    Launch Price USD 2999 USD 1299
    Sensor Specs Olympus E-M1X 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/30p Video 1080/60p Video
    ISO Setting 200-25600 ISO 200-12800 ISO
    ISO Boost 64-25600 ISO 125-25600 ISO
    Image Processor Dual TruePic VIII 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 Olympus E-M1X Panasonic GH3
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.83x 0.67x
    Viewfinder Resolution 2360k dots 1746k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1037k dots 614k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-M1X Panasonic GH3
    Autofocus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingNo Peaking Feature
    Continuous Shooting 18 shutter flaps/s 6 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Dual UHS-II UHS-I
    Connectivity Specs Olympus E-M1X Panasonic GH3
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.0 USB 2.0
    HDMI Port micro 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
    Geotagging GPS built-in
    Body Specs Olympus E-M1X Panasonic GH3
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type BLH-1 power pack DMW-BLF19 power pack
    Battery Life (CIPA)870 shots per charge540 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 144 x 147 x 75 mm
    (5.7 x 5.8 x 3.0 in)
    133 x 93 x 82 mm
    (5.2 x 3.7 x 3.2 in)
    Camera Weight 997 g (35.2 oz) 550 g (19.4 oz)

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