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Olympus E-M1 III vs Sony RX100 VII

The Olympus OM-D E-M1 Mark III and the Sony Cyber-shot DSC-RX100 VII are two digital cameras that were revealed to the public, respectively, in February 2020 and July 2019. The E-M1 III is a mirrorless interchangeable lens camera, while the RX100 VII is a fixed lens compact. The cameras are based on a Four Thirds (E-M1 III) and an one-inch (RX100 VII) sensor. The Olympus has a resolution of 20.2 megapixels, whereas the Sony provides 20 MP.

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

Headline Specifications
Olympus E-M1 III versus Sony RX100 VII
Olympus E-M1 III Sony RX100 VII
Mirrorless system camera Fixed lens compact camera
Micro Four Thirds lenses 24-200mm f/2.8-4.5
20.2 MP, Four Thirds Sensor 20 MP, 1" Sensor
4K/30p Video 4K/30p Video
ISO 200-25,600 ISO 125-12,800 (80 - 25,600)
Electronic viewfinder (2360k dots) Electronic viewfinder (2359k dots)
3.0 LCD, 1037k dots 3.0 LCD, 921k dots
Swivel touchscreen Tilting touchscreen
18 shutter flaps per second 90 shutter flaps per second
In-body stabilizationLens-based stabilization
Weathersealed bodynot weather sealed
420 shots per battery charge260 shots per battery charge
134 x 91 x 69 mm, 580 g 102 x 58 x 43 mm, 302 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M1 Mark III and the Sony Cyber-shot DSC-RX100 VII? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Olympus E-M1 III and the Sony RX100 VII. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Olympus E-M1 III vs Sony RX100 VII
Compare E-M1 III versus RX100 VII top
Comparison E-M1 III or RX100 VII rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 VII is considerably smaller (51 percent) than the Olympus E-M1 III. It is worth mentioning in this context that the E-M1 III is splash and dust resistant, while the RX100 VII does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX100 VII has a lens built in, whereas the E-M1 III 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-M1 III and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the E-M1 III gets 420 shots out of its BLH-1 battery, while the RX100 VII can take 260 images on a single charge of its NP-BX1 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M1 III 134 mm 91 mm 69 mm 580 g 420 Y Feb 2020 1,799 i
2.
 
Sony RX100 VII 102 mm 58 mm 43 mm 302 g 260 n Jul 2019 1,199 i
3.
 
Leica C-LUX 113 mm 67 mm 46 mm 340 g 370 n Jun 2018 1,049 i
4.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 i
5.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199 i
6.
 
Olympus E-M1X 144 mm 147 mm 75 mm 997 g 870 Y Jan 2019 2,999 i
7.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999 i
8.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399i
9.
 
Panasonic G95 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 999 i
10.
 
Panasonic G9 137 mm 97 mm 92 mm 658 g 400 Y Nov 2017 1,699 i
11.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999 i
12.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199i
13.
 
Sony ZV-1 105 mm 60 mm 44 mm 294 g 260 n May 2020 799 i
14.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 1,799 i
15.
 
Sony RX100 VI 102 mm 58 mm 43 mm 301 g 240 n Jun 2018 1,199i
16.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999 i
17.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or 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 RX100 VII was launched at a lower price than the E-M1 III, despite having a lens built in. 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.

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Sensor comparison

The size of the imaging sensor is a crucial determinant 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-M1 III features a Four Thirds sensor and the Sony RX100 VII an one-inch sensor. The sensor area in the RX100 VII is 48 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 2.7. The sensor in the E-M1 III has a native 4:3 aspect ratio, while the one in the RX100 VII offers a 3:2 aspect.

Olympus E-M1 III and Sony RX100 VII sensor measures

With 20.2MP, the E-M1 III offers a slightly higher resolution than the RX100 VII (20MP), but the E-M1 III nevertheless has larger individual pixels (pixel pitch of 3.34μm versus 2.41μm for the RX100 VII) due to its larger sensor. Moreover, the E-M1 III is a somewhat more recent model (by 6 months) than the RX100 VII, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the E-M1 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

Unlike the RX100 VII, the E-M1 III 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-M1 Mark III 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 Sony Cyber-shot DSC-RX100 VII are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 80-25600.

E-M1 III versus RX100 VII MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p........
2.
 
Sony RX100 VII 1-inch 20.0 5472 36484K/30p21.812.441863
3.
 
Leica C-LUX 1-inch 20.0 5472 36484K/30p........
4.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p........
5.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p........
6.
 
Olympus E-M1X Four Thirds 20.2 5184 38884K/30p........
7.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
8.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
9.
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p........
10.
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p........
11.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
12.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
13.
 
Sony ZV-1 1-inch 20.0 5472 36484K/30p........
14.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
15.
 
Sony RX100 VI 1-inch 20.0 5472 36484K/30p........
16.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
17.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170

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

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Feature comparison

Apart from 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-M1 III offers a slightly higher resolution than the one in the RX100 VII (2360k vs 2359k dots). The table below summarizes some of the other core capabilities of the Olympus E-M1 III and Sony RX100 VII in connection with corresponding information for a sample of similar cameras.

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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
1.
 
Olympus E-M1 III2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
2.
 
Sony RX100 VII2359 n 3.0 921 tilting Y 1/2000s 90.0 Y Y
3.
 
Leica C-LUX2330 n 3.0 1240 fixed Y 1/2000s 10.0 Y Y
4.
 
Olympus E-M10 IV2360 n 3.0 1040 tilting Y 1/4000s 15.0 Y Y
5.
 
Olympus E-M5 III2360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y
6.
 
Olympus E-M1X2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
7.
 
Olympus E-M1 II2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
8.
 
Olympus E-M12360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y
9.
 
Panasonic G952360 n 3.0 1240 swivel Y 1/4000s 9.0 Y Y
10.
 
Panasonic G93680 Y 3.0 1040 swivel Y 1/8000s 20.0 n Y
11.
 
Panasonic GH53680 n 3.2 1620 swivel Y 1/8000s 12.0 n Y
12.
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y
13.
 
Sony ZV-1none n 3.0 922 swivel Y 1/2000s 24.0 n Y
14.
 
Sony A7C2360 n 3.0 922 swivel Y 1/4000s 10.0 n Y
15.
 
Sony RX100 VI2359 n 3.0 1229 tilting Y 1/2000s 24.0 Y Y
16.
 
Sony RX100 V2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y
17.
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y

One difference between the cameras concerns the presence of an on-board flash. The RX100 VII has one, while the E-M1 III does not. While the built-in flash of the RX100 VII is not very powerful, it can at times be useful as a fill-in light.

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, both cameras under consideration feature an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Olympus E-M1 III and the Sony RX100 VII 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.

The E-M1 III writes its imaging data to SDXC cards, while the RX100 VII uses SDXC or Memory Stick PRO Duo cards. The E-M1 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the RX100 VII only has one slot. The E-M1 III supports UHS-II cards (on its first slot), while the RX100 VII can use UHS-I cards.

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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-M1 Mark III and Sony Cyber-shot DSC-RX100 VII and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-M1 IIIYstereomonoYYmicro3.1Y-Y
2.
 
Sony RX100 VII-stereomonoY-micro2.0YYY
3.
 
Leica C-LUX-stereomono--micro2.0Y--
4.
 
Olympus E-M10 IVYstereomono--micro2.0Y-Y
5.
 
Olympus E-M5 IIIYstereomonoY-micro2.0Y-Y
6.
 
Olympus E-M1XYstereomonoYYmicro3.0Y-Y
7.
 
Olympus E-M1 IIYstereomonoYYmicro3.0Y--
8.
 
Olympus E-M1YstereomonoY-micro2.0Y--
9.
 
Panasonic G95YstereomonoYYmicro2.0Y-Y
10.
 
Panasonic G9YstereomonoYYfull3.0Y-Y
11.
 
Panasonic GH5YstereomonoYYfull3.1Y-Y
12.
 
Panasonic GX8YstereomonoY-micro2.0YY-
13.
 
Sony ZV-1YstereomonoY-micro2.0YYY
14.
 
Sony A7CYstereomonoYYmicro3.2YYY
15.
 
Sony RX100 VI-stereomono--micro2.0YYY
16.
 
Sony RX100 V-stereomono--micro2.0YY-
17.
 
Sony RX100 IV-stereomono--micro2.0YY-

It is notable that the E-M1 III has a hotshoe, while the RX100 VII does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Olympus E-M1 III (unlike the RX100 VII) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-M1 III and the RX100 VII are recent models that are part of the current product line-up. The RX100 VII replaced the earlier Sony RX100 VI, while the E-M1 III followed on from the Olympus E-M1 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Sony websites.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Olympus E-M1 III or the Sony RX100 VII – 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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Advantages of the Olympus OM-D E-M1 Mark III:

  • 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 image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.83x vs 0.59x).
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 921k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Longer lasting: Can take more shots (420 versus 260) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • 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: Is somewhat more recent (announced 6 months after the RX100 VII).

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Reasons to prefer the Sony Cyber-shot DSC-RX100 VII:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Faster burst: Shoots at higher frequency (90 vs 18 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has an integrated lens, whereas the E-M1 III necessitates an extra lens.
  • More compact: Is smaller (102x58mm vs 134x91mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the E-M1 III).
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been on the market for longer (launched in July 2019).

If the number of relative strengths (bullet points above) is taken as a guide, the E-M1 III is the clear winner of the match-up (20 : 9 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional 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-M1 III 20:09 RX100 VII

How about other alternatives? Do the specifications of the Olympus E-M1 III and the Sony RX100 VII place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best Travel-Zoom Camera listings 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 says little about, for example, the shooting experience and imaging performance of the E-M1 III and the RX100 VII in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

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 (amateurphotographer [AP], cameralabs [CL], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M1 III5/5..83/1004.5/54/5 Feb 2020 1,799 i
2.
 
Sony RX100 VII4.5/5....4/55/5 Jul 2019 1,199 i
3.
 
Leica C-LUX......4.5/54/5 Jun 2018 1,049 i
4.
 
Olympus E-M10 IV4.5/5....4.5/54.5/5 Aug 2020 699 i
5.
 
Olympus E-M5 III5/5+82/1004.5/54.5/5 Oct 2019 1,199 i
6.
 
Olympus E-M1X4.5/5o..4.5/5.. Jan 2019 2,999 i
7.
 
Olympus E-M1 II5/5+ +85/1004.5/54.5/5 Sep 2016 1,999 i
8.
 
Olympus E-M15/5+ +84/1004.5/54.5/5 Sep 2013 1,399i
9.
 
Panasonic G954.5/5+83/1004.5/54.5/5 Apr 2019 999 i
10.
 
Panasonic G9..+ +85/1005/55/5 Nov 2017 1,699 i
11.
 
Panasonic GH54.5/5+ +85/1004.5/55/5 Jan 2017 1,999 i
12.
 
Panasonic GX85/5+82/1004.5/54.5/5 Jul 2015 1,199i
13.
 
Sony ZV-14/5..85/1004/54.5/5 May 2020 799 i
14.
 
Sony A7C3.5/5..86/1004/54/5 Sep 2020 1,799 i
15.
 
Sony RX100 VI4.5/5+ +83/1004/54.5/5 Jun 2018 1,199i
16.
 
Sony RX100 V4.5/5+ +83/1004/54.5/5 Oct 2016 999 i
17.
 
Sony RX100 IV4.5/5+ +85/1004/54.5/5 Jun 2015 999i
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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Olympus E-M1 III:
Check Amazon price
Sony RX100 VII:
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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-M1 III vs Sony RX100 VII

    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-M1 III Sony RX100 VII
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Micro Four Thirds lenses 24-200mm f/2.8-4.5
    Launch Date February 2020 July 2019
    Launch Price USD 1,799 USD 1,199
    Sensor Specs Olympus E-M1 III Sony RX100 VII
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Four Thirds Sensor 1" Sensor
    Sensor Size 17.3 x 13.0 mm 13.2 x 8.8 mm
    Sensor Area 224.9 mm2 116.16 mm2
    Sensor Diagonal 21.6 mm 15.9 mm
    Crop Factor 2.0x 2.7x
    Sensor Resolution 20.2 Megapixels 20 Megapixels
    Image Resolution 5184 x 3888 pixels 5472 x 3648 pixels
    Pixel Pitch 3.34 μm 2.41 μm
    Pixel Density 8.96 MP/cm2 17.18 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 200 - 25,600 ISO 125 - 12,800 ISO
    ISO Boost 64 - 25,600 ISO 80 - 25,600 ISO
    Image Processor TruePic IX BIONZ X
    DXO Sensor Quality (score) .. 63
    DXO Color Depth (bits) .. 21.8
    DXO Dynamic Range (EV) .. 12.4
    DXO Low Light (ISO) .. 418
    Screen Specs Olympus E-M1 III Sony RX100 VII
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.83x 0.59x
    Viewfinder Resolution 2360k dots 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 921k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-M1 III Sony RX100 VII
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/2000s
    Continuous Shooting 18 shutter flaps/s 90 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Single UHS-II UHS-I
    Connectivity Specs Olympus E-M1 III Sony RX100 VII
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Olympus E-M1 III Sony RX100 VII
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type BLH-1 NP-BX1
    Battery Life (CIPA)420 shots per charge260 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 134 x 91 x 69 mm
    (5.3 x 3.6 x 2.7 in)
    102 x 58 x 43 mm
    (4.0 x 2.3 x 1.7 in)
    Camera Weight 580 g (20.5 oz) 302 g (10.7 oz)

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