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Sony RX10 III vs Olympus E-M5 II

The Sony Cyber-shot DSC-RX10 III and the Olympus OM-D E-M5 Mark II are two enthusiast cameras that were announced, respectively, in March 2016 and February 2015. The RX10 III is a fixed lens compact, while the E-M5 II is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (RX10 III) and a Four Thirds (E-M5 II) sensor. The Sony has a resolution of 20 megapixels, whereas the Olympus provides 15.9 MP. Read on to find out how these two cameras compare with respect to their body size, their sensors, their features, their input-output connections, and their reception by expert reviewers.

Headline Specifications
Sony RX10 III   Olympus E-M5 II
Sony RX10 III Olympus E-M5 II
Fixed lens compact camera Mirrorless system camera
24-600mm f/2.4-4.0 Micro Four Thirds lenses
20 MP, 1" Sensor 15.9 MP, Four Thirds Sensor
4K/30p Video 1080/60p Video
ISO 100-12800 (64-25600) ISO 200-25600
Electronic viewfinder (2359k dots) Electronic viewfinder (2360k dots)
3.0" LCD, 1229k dots 3.0" LCD, 1037k dots
Tilting screen (no touchscreen) Swivel touchscreen
14 shutter flaps per second 10 shutter flaps per second
Lens-based stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
420 shots per battery charge310 shots per battery charge
133 x 94 x 127 mm, 1051 g 124 x 85 x 45 mm, 469 g

Body comparison: Sony RX10 III vs Olympus E-M5 II

An illustration of the physical size and weight of the Sony RX10 III and the Olympus E-M5 II is provided 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 size dimensions are rounded to the nearest millimeter.

The E-M5 II can be obtained in two different colors (black, silver), while the RX10 III is only available in black.

Compare Sony RX10 III and Olympus E-M5 II
Compare RX10 III versus E-M5 II top
Compare RX10 III or E-M5 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M5 II is notably smaller (16 percent) than the Sony RX10 III. 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 E-M5 II 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 E-M5 II and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the RX10 III gets 420 shots out of its NP-FW50 battery, while the E-M5 II can take 310 images on a single charge of its BLN-1 power pack. The power pack in the RX10 III 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. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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
 
Sony RX10 III» 5.2 in 3.7 in 5.0 in 37.1 oz 420 Y Mar 2016 1,499 i i Sony RX10 III
 
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
 
Canon G1 X Mark III« » 4.5 in 3.1 in 2.0 in 14.1 oz 200 Y Oct 2017 1,299 i i Canon G1 X Mark III
 
Canon G3 X« » 4.8 in 3.0 in 4.1 in 25.9 oz 300 Y Jun 2015 999 i i Canon G3 X
 
Canon 7D II« » 5.9 in 4.4 in 3.1 in 32.1 oz 670 Y Sep 2014 1,799 i i Canon 7D II
 
Nikon D500« » 5.8 in 4.5 in 3.2 in 30.3 oz 1240 Y Jan 2016 1,999 i i Nikon D500
 
Olympus E-M10 II« » 4.7 in 3.3 in 1.9 in 13.8 oz 320 n Aug 2015 799- i Olympus E-M10 II
 
Olympus E-M10« » 4.7 in 3.2 in 1.8 in 14.0 oz 320 n Jan 2014 699- i Olympus E-M10
 
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
 
Olympus E-P5« » 4.8 in 2.7 in 1.5 in 14.8 oz 330 n May 2013 999- i Olympus E-P5
 
Olympus E-M5« » 4.8 in 3.5 in 1.7 in 15.0 oz 360 Y Feb 2012 1,299- i Olympus E-M5
 
Sony RX10 IV« » 5.2 in 3.7 in 5.7 in 38.6 oz 400 Y Sep 2017 1,699 i i Sony RX10 IV
 
Sony A6300« » 4.7 in 2.6 in 1.9 in 14.3 oz 400 Y Feb 2016 999- i Sony A6300
 
Sony RX100 V« » 4.0 in 2.3 in 1.6 in 10.5 oz 220 n Oct 2016 999 i i Sony RX100 V
 
Sony RX10 II« » 5.1 in 3.5 in 4.0 in 28.7 oz 400 Y Jun 2015 1,299- i Sony RX10 II
 
Sony RX100 IV« » 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i Sony RX100 IV
 
Sony RX10« » 5.1 in 3.5 in 4.0 in 28.7 oz 420 Y Oct 2013 1,299- i Sony RX10

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. 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: Sony RX10 III vs Olympus E-M5 II

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Sony RX10 III features an one-inch sensor and the Olympus E-M5 II a Four Thirds sensor. The sensor area in the E-M5 II is 94 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 2.0. The sensor in the RX10 III has a native 3:2 aspect ratio, while the one in the E-M5 II offers a 4:3 aspect.

Sony RX10 III and Olympus E-M5 II sensor measures

Despite having a smaller sensor, the Sony RX10 III offers a higher resolution of 20 megapixels, compared with 15.9 MP of the Olympus E-M5 II. 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 E-M5 II). However, it should be noted that the RX10 III is a somewhat more recent model (by 1 year and 1 month) than the E-M5 II, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage.

Unlike the RX10 III, the E-M5 II has the capacity to capture high quality composite images (40MP) 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 Sony Cyber-shot DSC-RX10 III has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 64-25600. The corresponding ISO settings for the Olympus OM-D E-M5 Mark II are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600..

RX10 III versus E-M5 II MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Sony RX10 III» 1-inch 20.0 5472 36484K/30p23.112.647270Sony RX10 III
 
Olympus E-M5 II« Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
 
Canon G1 X Mark III« » APS-C 24.0 6000 40001080/60p----Canon G1 X Mark III
 
Canon G3 X« » 1-inch 20.0 5472 36481080/60p21.412.352163Canon G3 X
 
Canon 7D II« » APS-C 20.0 5472 36481080/60p22.411.8108270Canon 7D II
 
Nikon D500« » APS-C 20.7 5568 37124K/30p24.014.0132483Nikon D500
 
Olympus E-M10 II« » Four Thirds 15.9 4608 34561080/60p23.112.584273Olympus E-M10 II
 
Olympus E-M10« » Four Thirds 15.9 4608 34561080/30p22.812.388472Olympus E-M10
 
Olympus E-M1« » Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
 
Olympus E-P5« » Four Thirds 15.9 4608 34561080/30p22.812.489572Olympus E-P5
 
Olympus E-M5« » Four Thirds 15.9 4608 34561080/60i22.812.382671Olympus E-M5
 
Sony RX10 IV« » 1-inch 20.0 5472 36484K/30p----Sony RX10 IV
 
Sony A6300« » APS-C 24.0 6000 40004K/30p24.413.7143785Sony A6300
 
Sony RX100 V« » 1-inch 20.0 5472 36484K/30p22.812.458670Sony RX100 V
 
Sony RX10 II« » 1-inch 20.0 5472 36484K/30p23.012.653170Sony RX10 II
 
Sony RX100 IV« » 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV
 
Sony RX10« » 1-inch 20.0 5472 36481080/60p22.912.647469Sony RX10

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the RX10 III provides a higher video resolution than the E-M5 II. It can shoot video footage at 4K/30p, while the Olympus is limited to 1080/60p.

 

Feature comparison: Sony RX10 III vs Olympus E-M5 II

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the E-M5 II offers a slightly higher resolution than the one in the RX10 III (2360k vs 2359k dots). The adjacent table lists some of the other core features of the Sony RX10 III and Olympus E-M5 II along with similar information for a selection of comparators.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Sony RX10 III»2359 Y 3.0 1229 tilting n 2000 14.0 Y Y Sony RX10 III
 
Olympus E-M5 II«2360 n 3.0 1037 swivel Y 8000 10.0 n Y Olympus E-M5 II
 
Canon G1 X Mark III« »2360 n 3.0 1040 swivel Y 2000 9.0 Y Y Canon G1 X Mark III
 
Canon G3 X« »- n 3.2 1620 tilting Y 2000 5.9 Y Y Canon G3 X
 
Canon 7D II« »optical Y 3.0 1040 fixed n 8000 10.0 Y n Canon 7D II
 
Nikon D500« »optical Y 3.2 2359 tilting Y 8000 10.0 n n Nikon D500
 
Olympus E-M10 II« »2360 n 3.0 1040 tilting Y 4000 8.0 Y Y Olympus E-M10 II
 
Olympus E-M10« »1440 n 3.0 1037 tilting Y 4000 8.0 Y Y Olympus E-M10
 
Olympus E-M1« »2360 n 3.0 1037 tilting Y 8000 10.0 n Y Olympus E-M1
 
Olympus E-P5« »- n 3.0 1037 tilting Y 8000 9.0 Y Y Olympus E-P5
 
Olympus E-M5« »1440 n 3.0 610 tilting Y 4000 9.0 n Y Olympus E-M5
 
Sony RX10 IV« »2359 Y 3.0 1440 tilting Y 2000 24.0 Y Y Sony RX10 IV
 
Sony A6300« »2359 n 3.0 922 tilting n 4000 11.0 Y n Sony A6300
 
Sony RX100 V« »2359 n 3.0 1229 tilting n 2000 24.0 Y Y Sony RX100 V
 
Sony RX10 II« »2359 Y 3.0 1229 tilting n 3200 14.0 Y Y Sony RX10 II
 
Sony RX100 IV« »2359 n 3.0 1228 tilting n 2000 16.0 Y Y Sony RX100 IV
 
Sony RX10« »1440 Y 3.0 1229 tilting n 3200 10.0 Y Y Sony RX10

One difference between the cameras concerns the presence of an on-board flash. The RX10 III has one, while the E-M5 II does not. While the built-in flash of the RX10 III is not very powerful, it can at times be useful as a fill-in light.

The E-M5 II 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 RX10 III does not have a selfie-screen.

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, both cameras 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 RX10 III writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the E-M5 II uses SDXC cards. The E-M5 II supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while RX10 III can use UHS-I cards (up to 104 MB/s).

 

Connectivity comparison: Sony RX10 III vs Olympus E-M5 II

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 Sony Cyber-shot DSC-RX10 III and Olympus OM-D E-M5 Mark II 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
 
Sony RX10 III»YstereomonoYYmicro2.0YY-Sony RX10 III
 
Olympus E-M5 II«YstereomonoY-micro2.0Y--Olympus E-M5 II
 
Canon G1 X Mark III« »Ystereomono--micro2.0YYYCanon G1 X Mark III
 
Canon G3 X« »YstereomonoYYmini2.0YY-Canon G3 X
 
Canon 7D II« »YstereomonoYYmini3.0---Canon 7D II
 
Nikon D500« »YstereomonoYYmini3.0YYYNikon D500
 
Olympus E-M10 II« »Ystereomono--micro2.0Y--Olympus E-M10 II
 
Olympus E-M10« »Ystereomono--micro2.0Y--Olympus E-M10
 
Olympus E-M1« »YstereomonoY-micro2.0Y--Olympus E-M1
 
Olympus E-P5« »Ystereomono--micro2.0Y--Olympus E-P5
 
Olympus E-M5« »Ystereomono--mini2.0---Olympus E-M5
 
Sony RX10 IV« »YstereomonoYYmicro2.0YY-Sony RX10 IV
 
Sony A6300« »YstereomonoY-micro2.0YY-Sony A6300
 
Sony RX100 V« »-stereomono--micro2.0YY-Sony RX100 V
 
Sony RX10 II« »YstereomonoYYmicro2.0YY-Sony RX10 II
 
Sony RX100 IV« »-stereomono--micro2.0YY-Sony RX100 IV
 
Sony RX10« »YstereomonoYYmicro2.0YY-Sony RX10

Studio photographers will appreciate that the Olympus E-M5 II (unlike the RX10 III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the RX10 III and the E-M5 II are recent models that feature in their makers' current product line-up. The E-M5 II replaced the earlier Olympus E-M5, while the RX10 III followed on from the Sony RX10 II. Further information on the two cameras, as well as related accessories, can be found on the Sony and Olympus websites.


Review summary: Sony RX10 III vs Olympus E-M5 II

So what conclusions can be drawn? Is there a clear favorite between the Sony RX10 III and the Olympus E-M5 II? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Sony Cyber-shot DSC-RX10 III:

  • More detail: Offers more megapixels (20 vs 15.9MP) with a 14% higher linear resolution.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1037k dots).
  • Faster burst: Shoots at higher frequency (14 vs 10 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has a lens built-in, whereas the E-M5 II requires a separate lens.
  • Longer lasting: Can take more shots (420 versus 310) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More modern: Is somewhat more recent (announced 1 year and 1 month after the E-M5 II).

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Advantages of the Olympus OM-D E-M5 Mark II:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better low-light sensitivity: Can shoot in dim conditions (0.8 stops ISO advantage).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.70x).
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 2000/sec) to freeze action.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • More compact: Is smaller (124x85mm vs 133x94mm) and will fit more readily into a bag.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More heavily discounted: Has been on the market for longer (launched in February 2015).

If the count of individual advantages (bullet points above) is taken as a guide, the E-M5 II comes out slightly ahead of the RX10 III (12 : 11 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.

RX10 III 11:12 E-M5 II

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the RX10 III and the E-M5 II in practical situations. 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: Sony RX10 III vs Olympus E-M5 II

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

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Sony RX10 III»+84/1004.5/54.5/54.5/5 Mar 2016 1,499 i i Sony RX10 III
 
Olympus E-M5 II«++81/1005/54.5/55/5 Feb 2015 1,099 i i Olympus E-M5 II
 
Canon G1 X Mark III« »+79/1004.5/5-4.5/5 Oct 2017 1,299 i i Canon G1 X Mark III
 
Canon G3 X« »+-4.5/53.5/54/5 Jun 2015 999 i i Canon G3 X
 
Canon 7D II« »+84/1004/55/54.5/5 Sep 2014 1,799 i i Canon 7D II
 
Nikon D500« »++91/1004.5/55/55/5 Jan 2016 1,999 i i Nikon D500
 
Olympus E-M10 II« »++80/1005/55/55/5 Aug 2015 799- i Olympus E-M10 II
 
Olympus E-M10« »-80/1005/54.5/55/5 Jan 2014 699- i Olympus E-M10
 
Olympus E-M1« »++84/1004.5/54.5/54.5/5 Sep 2013 1,399- i Olympus E-M1
 
Olympus E-P5« »++78/1004.5/54.5/55/5 May 2013 999- i Olympus E-P5
 
Olympus E-M5« »++80/1004.5/55/55/5 Feb 2012 1,299- i Olympus E-M5
 
Sony RX10 IV« »+84/1004.5/5-5/5 Sep 2017 1,699 i i Sony RX10 IV
 
Sony A6300« »+85/1005/55/55/5 Feb 2016 999- i Sony A6300
 
Sony RX100 V« »++83/1004/55/54.5/5 Oct 2016 999 i i Sony RX100 V
 
Sony RX10 II« »++82/1004.5/54.5/54/5 Jun 2015 1,299- i Sony RX10 II
 
Sony RX100 IV« »++85/1004/54.5/54.5/5 Jun 2015 999- i Sony RX100 IV
 
Sony RX10« »+80/1004.5/54.5/54.5/5 Oct 2013 1,299- i Sony RX10
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. A score, therefore, has to be seen in close connection to the price and market introduction time 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.

Sony RX10 III:
Check Amazon price
Olympus E-M5 II:
Check Amazon price

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Sony RX10 III vs Olympus E-M5 II

    Camera Specifications
    Camera Model Sony RX10 III Olympus E-M5 II
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 24-600mm f/2.4-4.0 Micro Four Thirds lenses
    Launch Date March 2016 February 2015
    Launch Price USD 1499 USD 1099
    Sensor Specs Sony RX10 III Olympus E-M5 II
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor Four Thirds Sensor
    Sensor Size 13.2 x 8.8 mm 17.3 x 8.8 mm
    Sensor Area 116.16 mm2 224.9 mm2
    Sensor Diagonal 15.9 mm 21.6 mm
    Crop Factor 2.7x 2.0x
    Sensor Resolution 20 Megapixels 15.9 Megapixels
    Image Resolution 5472 x 3648 pixels 4608 x 3456 pixels
    Pixel Pitch 2.41 μm 3.76 μm
    Pixel Density 17.18 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60p Video
    ISO Setting 100-12800 ISO 200-25600 ISO
    ISO Boost 64-25600 ISO 100-25600 ISO
    Image Processor BIONZ X TruePic VII
    DXO Sensor Quality (score) 70 73
    DXO Color Depth (bits) 23.1 23.0
    DXO Dynamic Range (EV) 12.6 12.5
    DXO Low Light (ISO) 472 842
    Screen Specs Sony RX10 III Olympus E-M5 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.74x
    Viewfinder Resolution 2359k dots 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1229k dots 1037k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Sony RX10 III Olympus E-M5 II
    Autofocus System Contrast-detect AF Contrast-detect AF
    Maximum Shutter Speed 1/2000s 1/8000s
    Continuous Shooting 14 shutter flaps/s 10 shutter flaps/s
    Silent ShootingElectronic ShutterElectronic Shutter
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium MS or SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-II
    Connectivity Specs Sony RX10 III Olympus E-M5 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    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 no NFC
    Body Specs Sony RX10 III Olympus E-M5 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-FW50 power pack BLN-1 power pack
    Battery Life (CIPA)420 shots per charge310 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 133 x 94 x 127 mm
    (5.2 x 3.7 x 5.0 in)
    124 x 85 x 45 mm
    (4.9 x 3.3 x 1.8 in)
    Camera Weight 1051 g (37.1 oz) 469 g (16.5 oz)

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