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Olympus E-M10 vs Panasonic GX850

The Olympus OM-D E-M10 and the Panasonic Lumix DMC-GX850 (labelled Panasonic GX800 in some countries) are two digital cameras that were revealed to the public, respectively, in January 2014 and January 2017. Both the E-M10 and the GX850 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. The Olympus has a resolution of 15.9 megapixels, whereas the Panasonic provides 15.8 MP.

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 GX850
Olympus E-M10   Panasonic GX850
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Micro Four Thirds lenses
15.9 MP – Four Thirds sensor 15.8 MP – Four Thirds sensor
1080/30p Video 4K/30p Video
ISO 200-25,600 ISO 200-25,600
Electronic viewfinder (1440k dots) No viewfinder, LCD framing
3.0" LCD – 1037k dots 3.0" LCD – 1040k dots
Tilting touchscreen Tilting touchscreen
8 shutter flaps per second 10 shutter flaps per second
In-body stabilizationLens stabilization only
320 shots per battery charge210 shots per battery charge
119 x 82 x 46 mm, 396 g 107 x 65 x 33 mm, 269 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-GX850? 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 GX850. 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.

The E-M10 can be obtained in two different colors (black, silver), while the GX850 is available in three color-versions (black, silver, red).

Size Olympus E-M10 vs Panasonic GX850
Compare E-M10 versus GX850 top
Comparison E-M10 or GX850 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GX850 is notably smaller (29 percent) than the Olympus E-M10. Moreover, the GX850 is markedly lighter (32 percent) than the E-M10. In this context, it is worth noting that neither the E-M10 nor the GX850 are weather-sealed.

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 GX850 can take 210 images on a single charge of its Panasonic DMW-BLH7 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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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 US$ 699ebay.com
2.
 
 Panasonic GX850 107 mm 65 mm 33 mm 269 g 210 i Jan 2017 US$ 549ebay.com
3.
 
 Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 i Aug 2015 US$ 649ebay.com
4.
 
 Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 i May 2013 US$ 999ebay.com
5.
 
 Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 i Sep 2012 US$ 599ebay.com
6.
 
 Olympus E-PL6 111 mm 64 mm 38 mm 325 g 360 i May 2013 US$ 599ebay.com
7.
 
 Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 i Aug 2014 US$ 599ebay.com
8.
 
 Olympus E-PL9 117 mm 68 mm 39 mm 380 g 350 i Feb 2018 US$ 599ebay.com
9.
 
 Olympus E-PL10 117 mm 68 mm 39 mm 380 g 350 i Oct 2019 US$ 599ebay.com
10.
 
 Panasonic G3 115 mm 84 mm 47 mm 336 g 270 i May 2011 US$ 599ebay.com
11.
 
 Panasonic G5 120 mm 83 mm 71 mm 396 g 320 i Jul 2012 US$ 599ebay.com
12.
 
 Panasonic G6 122 mm 85 mm 71 mm 390 g 340 i Apr 2013 US$ 599ebay.com
13.
 
 Panasonic GF7 107 mm 65 mm 33 mm 266 g 230 i Jan 2015 US$ 499ebay.com
14.
 
 Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 i Nov 2011 US$ 699ebay.com
15.
 
 Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 i Aug 2013 US$ 999ebay.com
16.
 
 Panasonic GX85 122 mm 71 mm 44 mm 426 g 290 i Apr 2016 US$ 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

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The GX850 was launched at a somewhat lower price (by 21 percent) than the E-M10, 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. 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. 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.

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 GX850 sensor measures

While the two cameras under review share the same sensor size, the E-M10 offers a slightly higher resolution of 15.9 megapixels, compared with 15.8 MP of the GX850. This megapixels advantage translates into a 0.3 percent gain in linear resolution. On the other hand, these sensor specs imply that the E-M10 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.76μm versus 3.77μm for the GX850). Moreover, it should be noted that the GX850 is much more recent (by 2 years and 11 months) than the E-M10, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of individual pixels. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the 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 Panasonic Lumix DMC-GX850 offers exactly the same ISO settings.

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 GX850 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 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.
 
 Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
2.
 
 Panasonic GX850 Four Thirds 15.8 4592 34484K/30p23.213.358673
3.
 
 Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
4.
 
 Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
5.
 
 Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
6.
 
 Olympus E-PL6 Four Thirds 15.9 4608 34561080/30p22.512.071768
7.
 
 Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
8.
 
 Olympus E-PL9 Four Thirds 15.9 4608 34564K/30p23.112.8116274
9.
 
 Olympus E-PL10 Four Thirds 15.9 4608 34564K/30p23.313.1132476
10.
 
 Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
11.
 
 Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
12.
 
 Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
13.
 
 Panasonic GF7 Four Thirds 15.8 4592 34481080/60p22.712.387470
14.
 
 Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
15.
 
 Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
16.
 
 Panasonic GX85 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 have a sensor with sufficiently fast read-out times for moving pictures, but the GX850 provides a better video resolution than the E-M10. It can shoot movie footage at 4K/30p, while the Olympus is limited to 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the E-M10 has an electronic viewfinder (1440k dots), which can be very helpful when shooting in bright sunlight. In contrast, the GX850 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Olympus E-M10 and Panasonic GX850 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.
 
 Olympus E-M101440 i3.0 / 1037 tilting i 1/4000s 8.0/s i i
2.
 
 Panasonic GX850i i3.0 / 1040 tilting i 1/500s 10.0/s i i
3.
 
 Olympus E-M10 II2360 i3.0 / 1040 tilting i 1/4000s 8.0/s i i
4.
 
 Olympus E-P5optional i3.0 / 1037 tilting i 1/8000s 9.0/s i i
5.
 
 Olympus E-PL5optional i3.0 / 460 tilting i 1/4000s 8.0/s i i
6.
 
 Olympus E-PL6optional i3.0 / 460 tilting i 1/4000s 8.0/s i i
7.
 
 Olympus E-PL7optional i3.0 / 1037 tilting i 1/4000s 8.0/s i i
8.
 
 Olympus E-PL9i i3.0 / 1040 tilting i 1/4000s 8.6/s i i
9.
 
 Olympus E-PL10i i3.0 / 1040 tilting i 1/4000s 8.6/s i i
10.
 
 Panasonic G31440 i3.0 / 460 swivel i 1/4000s 4.0/s i i
11.
 
 Panasonic G51440 i3.0 / 920 swivel i 1/4000s 6.0/s i i
12.
 
 Panasonic G61440 i3.0 / 1036 swivel i 1/4000s 7.0/s i i
13.
 
 Panasonic GF7i i3.0 / 1040 tilting i 1/500s 5.8/s i i
14.
 
 Panasonic GX1optional i3.0 / 460 fixed i 1/4000s 4.2/s i i
15.
 
 Panasonic GX72760 i3.0 / 1040 tilting i 1/8000s 5.0/s i i
16.
 
 Panasonic GX852765 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 GX850 is in-body image stabilization (IBIS). The E-M10 reduces the risk of handshake-induced blur with all attached lenses, while the GX850 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The GX850 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 GX850 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 GX850 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 GX850 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.

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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-GX850 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 GX850istereo / monoiimicro2.0iii
3.
 
 Olympus E-M10 IIistereo / monoiimicro2.0iii
4.
 
 Olympus E-P5istereo / monoiimicro2.0iii
5.
 
 Olympus E-PL5istereo / monoiimini2.0iii
6.
 
 Olympus E-PL6istereo / monoiimini2.0iii
7.
 
 Olympus E-PL7istereo / monoiimicro2.0iii
8.
 
 Olympus E-PL9istereo / monoiimicro2.0iii
9.
 
 Olympus E-PL10istereo / monoiimicro2.0iii
10.
 
 Panasonic G3istereo / monoiimini2.0iii
11.
 
 Panasonic G5istereo / monoiimini2.0iii
12.
 
 Panasonic G6istereo / monoiimini2.0iii
13.
 
 Panasonic GF7istereo / monoiimicro2.0iii
14.
 
 Panasonic GX1istereo / monoiimini2.0iii
15.
 
 Panasonic GX7istereo / monoiimini2.0iii
16.
 
 Panasonic GX85istereo / 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 E-M10 has a hotshoe, while the GX850 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Both the E-M10 and the GX850 have been discontinued, but can regularly be found used on ebay. The E-M10 was replaced by the Olympus E-M10 II, while the GX850 does not have a direct successor. Further information on the features and operation of the E-M10 and GX850 can be found, respectively, in the Olympus E-M10 Manual (free pdf) or the online Panasonic GX850 Manual.

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Review summary

So what conclusions can be drawn? Is the Olympus E-M10 better than the Panasonic GX850 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 Olympus OM-D E-M10:

  • Better low-light sensitivity: Requires less light for good images (0.6 stops ISO advantage).
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/500s) to freeze action.
  • Longer lasting: Can take more shots (320 versus 210) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More heavily discounted: Has been available for much longer (launched in January 2014).

ilogo

Advantages of the Panasonic Lumix DMC-GX850:

  • More dynamic range: Captures a broader range of light and dark details (1 EV of extra DR).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (10 vs 8 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (107x65mm vs 119x82mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 127g or 32 percent) and is thus easier to take along.
  • More affordable: Was released into a lower priced segment (21 percent cheaper at launch).
  • More modern: Reflects 2 years and 11 months of technical progress since the E-M10 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the GX850 emerges as the winner of the match-up (9 : 7 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.

E-M10 07:09 GX850

How about other alternatives? Do the specifications of the Olympus E-M10 and the Panasonic GX850 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-M10 or the GX850. 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 hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 US$ 699ebay.com
2.
 
 Panasonic GX850..+..76/1004.5/54.5/5 Jan 2017 US$ 549ebay.com
3.
 
 Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 US$ 649ebay.com
4.
 
 Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 US$ 999ebay.com
5.
 
 Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 US$ 599ebay.com
6.
 
 Olympus E-PL6............ May 2013 US$ 599ebay.com
7.
 
 Olympus E-PL74/5+....5/54/5 Aug 2014 US$ 599ebay.com
8.
 
 Olympus E-PL9..+....4.5/54/5 Feb 2018 US$ 599ebay.com
9.
 
 Olympus E-PL10....4/577/100..4/5 Oct 2019 US$ 599ebay.com
10.
 
 Panasonic G33/5+ +..75/1004.5/55/5 May 2011 US$ 599ebay.com
11.
 
 Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 US$ 599ebay.com
12.
 
 Panasonic G64/5+ +....5/54.5/5 Apr 2013 US$ 599ebay.com
13.
 
 Panasonic GF74/5+....4.5/54.5/5 Jan 2015 US$ 499ebay.com
14.
 
 Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 US$ 699ebay.com
15.
 
 Panasonic GX74/5+..79/1005/55/5 Aug 2013 US$ 999ebay.com
16.
 
 Panasonic GX854.5/5+ +..82/1005/55/5 Apr 2016 US$ 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 assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, 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 E-M10 offers at
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Check GX850 offers at
ebay.com

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: Olympus E-M10 vs Panasonic GX850

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 GX850
Camera Type Mirrorless system camera Mirrorless system camera
Camera Lens Micro Four Thirds lenses Micro Four Thirds lenses
Launch Date January 2014 January 2017
Launch Price USD 699 USD 549
Sensor Specs Olympus E-M10 Panasonic GX850
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 15.8 Megapixels
Image Resolution 4608 x 3456 pixels 4592 x 3448 pixels
Pixel Pitch 3.76 μm 3.77 μm
Pixel Density 7.08 MP/cm2 7.04 MP/cm2
Moiré control no AA filter no AA filter
Movie Capability 1080/30p Video 4K/30p Video
ISO Setting 200 - 25,600 ISO 200 - 25,600 ISO
ISO Boost 100 - 25,600 ISO 100 - 25,600 ISO
Image Processor TruePic VII Venus
DXO Sensor Quality (score) 72 73
DXO Color Depth (bits) 22.8 23.2
DXO Dynamic Range (EV) 12.3 13.3
DXO Low Light (ISO) 884 586
Screen Specs Olympus E-M10 Panasonic GX850
Viewfinder Type Electronic viewfinder no viewfinder
Viewfinder Field of View 100%
Viewfinder Magnification 0.58x
Viewfinder Resolution 1440k dots
LCD Framing Live View Live View
Rear LCD Size 3.0inch 3.0inch
LCD Resolution 1037k dots 1040k dots
LCD Attachment Tilting screen Tilting screen
Touch Input Touchscreen Touchscreen
Shooting Specs Olympus E-M10 Panasonic GX850
Focus System Contrast-detect AF Contrast-detect AF
Manual Focusing AidFocus PeakingFocus Peaking
Max Shutter Speed (mechanical) 1/4000s 1/500s
Continuous Shooting 8 shutter flaps/s 10 shutter flaps/s
Electronic Shutterno E-Shutterup to 1/16000s
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 GX850
External Flash Hotshoe no Hotshoe
USB Connector USB 2.0 USB 2.0
HDMI Port micro HDMI micro HDMI
Wifi Support Wifi built-in Wifi built-in
Body Specs Olympus E-M10 Panasonic GX850
Battery Type Olympus BLS-5 Panasonic DMW-BLH7
Battery Life (CIPA)320 shots per charge210 shots per charge
Body Dimensions 119 x 82 x 46 mm
(4.7 x 3.2 x 1.8 in) 		107 x 65 x 33 mm
(4.2 x 2.6 x 1.3 in)
Camera Weight 396 g (14.0 oz) 269 g (9.5 oz)
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