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Olympus XZ-1 vs Sony A7R III

The Olympus XZ-1 and the Sony Alpha A7R III are two digital cameras that were revealed to the public, respectively, in January 2011 and October 2017. The XZ-1 is a fixed lens compact, while the A7R III is a mirrorless interchangeable lens camera. The cameras are based on a 1/1.7-inch (XZ-1) and a full frame (A7R III) sensor. The Olympus has a resolution of 10.1 megapixels, whereas the Sony provides 42.2 MP.

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

Headline Specifications
Olympus XZ-1 versus Sony A7R III
Olympus XZ-1 Sony A7R III
Fixed lens compact camera Mirrorless system camera
28-112mm f/1.8-2.5 Sony E mount lenses
10.1 MP, 1/1.7" Sensor 42.2 MP, Full Frame Sensor
720/30p Video 4K/30p Video
ISO 100-6,400 ISO 100-32,000 (50 - 102,400)
Viewfinder optional Electronic viewfinder (3686k dots)
3.0 LCD, 614k dots 3.0 LCD, 1440k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
2 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
not weather sealedWeathersealed body
320 shots per battery charge650 shots per battery charge
111 x 65 x 42 mm, 275 g 127 x 96 x 74 mm, 650 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus XZ-1 and the Sony Alpha A7R III? 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 physical size and weight of the Olympus XZ-1 and the Sony A7R III 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 measures are rounded to the nearest millimeter.

The XZ-1 can be obtained in two different colors (black, white), while the A7R III is only available in black.

Size Olympus XZ-1 vs Sony A7R III
Compare XZ-1 versus A7R III top
Comparison XZ-1 or A7R III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R III is considerably larger (69 percent) than the Olympus XZ-1. It is noteworthy in this context that the A7R III is splash and dust-proof, while the XZ-1 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the XZ-1 has a lens built in, whereas the A7R 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 A7R III and their specifications in the Sony FE Lens Catalog.

The power pack in the A7R III can be charged via the USB port, 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. 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.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Olympus XZ-1 111 mm 65 mm 42 mm 275 g 320 n Jan 2011 499i
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199i
 
Olympus TG-5 113 mm 66 mm 32 mm 250 g 340 Y May 2017 449i
 
Olympus E-PM2 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 499i
 
Olympus XZ-2 113 mm 65 mm 48 mm 346 g 340 n Sep 2012 599i
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599i
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499i
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599i
 
Panasonic FZ200 125 mm 87 mm 110 mm 588 g 540 n Jul 2012 599i
 
Panasonic LX7 111 mm 68 mm 46 mm 298 g 330 n Jul 2012 499i
 
Panasonic FZ150 124 mm 82 mm 92 mm 528 g 410 n Aug 2011 499i
 
Panasonic LX5 110 mm 65 mm 43 mm 271 g 400 n Jul 2010 499i
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 i
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499i
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199 i
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199i
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

Any camera decision will naturally be influenced heavily by the price. 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. The XZ-1 was launched at a lower price than the A7R 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. 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 imaging sensor is a crucial determinant 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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus XZ-1 features a 1/1.7-inch sensor and the Sony A7R III a full frame sensor. The sensor area in the A7R III is 1774 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 4.4 and 1.0. The sensor in the XZ-1 has a native 4:3 aspect ratio, while the one in the A7R III offers a 3:2 aspect.

Olympus XZ-1 and Sony A7R III sensor measures

With 42.2MP, the A7R III offers a higher resolution than the XZ-1 (10.1MP), but the A7R III nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 2.13μm for the XZ-1) due to its larger sensor. Moreover, the A7R III is a much more recent model (by 6 years and 9 months) than the XZ-1, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the A7R III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A7R III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R III for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 cm. The corresponding values for the Olympus XZ-1 are 18.3 x 13.8 inches or 46.5 x 35 cm for good quality, 14.7 x 11 inches or 37.2 x 28 cm for very good quality, and 12.2 x 9.2 inches or 31 x 23.3 cm for excellent quality prints.

The A7R III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the XZ-1, the A7R III has the capacity to capture high quality composite images 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 XZ-1 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Sony Alpha A7R III are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

XZ-1 versus A7R III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). Of the two cameras under consideration, the A7R III offers substantially better image quality than the XZ-1 (overall score 66 points higher). The advantage is based on 7.2 bits higher color depth, 4.3 EV in additional dynamic range, and 4.9 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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
 
Olympus XZ-1 1/1.7 10.1 3664 2752720/30p18.810.411734
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
 
Olympus TG-5 1/2.3 12.0 4000 30004K/30p........
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
 
Olympus XZ-2 1/1.7 11.8 3968 29761080/30p20.411.321649
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
 
Panasonic FZ200 1/2.3 12.0 4000 30001080/60p19.110.811437
 
Panasonic LX7 1/1.7 10.0 3648 27361080/60p20.711.714750
 
Panasonic FZ150 1/2.3 12.0 4000 30001080/60p19.410.913240
 
Panasonic LX5 1/1.7 10.0 3648 2736720/60p19.610.813241
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A7R III provides a better video resolution than the XZ-1. It can shoot movie footage at 4K/30p, while the Olympus is limited to 720/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7R III has an electronic viewfinder (3686k dots), which can be very helpful when shooting in bright sunlight. In contrast, the XZ-1 relies on live view and the rear LCD for framing. That said, the XZ-1 can be equipped with an optional viewfinder – the VF-2. The table below summarizes some of the other core capabilities of the Olympus XZ-1 and Sony A7R III 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
 
Olympus XZ-1optional n 3.0 614 fixed n 1/2000s 2.0 Y Y
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
 
Olympus TG-5none n 3.0 460 fixed n 1/2000s 20.0 Y Y
 
Olympus E-PM2optional n 3.0 460 fixed Y 1/4000s 8.0 n Y
 
Olympus XZ-2optional n 3.0 920 tilting Y 1/2000s 5.0 Y Y
 
Olympus E-PL3optional n 3.0 460 tilting n 1/4000s 5.5 n Y
 
Olympus E-PM1optional n 3.0 460 fixed n 1/4000s 5.5 n Y
 
Olympus E-PL1optional n 2.7 230 fixed n 1/2000s 3.0 Y Y
 
Panasonic FZ2001312 n 3.0 460 swivel n 1/4000s 12.0 Y Y
 
Panasonic LX7optional n 3.0 920 fixed n 1/4000s 11.0 Y Y
 
Panasonic FZ150202 n 3.0 460 swivel n 1/2000s 12.0 Y Y
 
Panasonic LX5optional n 3.0 460 fixed n 1/4000s 2.5 Y Y
 
Sony A7 III2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y
 
Sony A99 II2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y

One difference between the cameras concerns the presence of an on-board flash. The XZ-1 has one, while the A7R III does not. While the built-in flash of the XZ-1 is not very powerful, it can at times be useful as a fill-in light.

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 A7R III 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 XZ-1 and the Sony A7R III 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 XZ-1 writes its imaging data to SDXC cards, while the A7R III uses SDXC or Memory Stick PRO Duo cards. The A7R III features dual card slots, which can be very useful in case a memory card fails. In contrast, the XZ-1 only has one slot. The A7R III supports UHS-II cards on its first slot and UHS-I on its second one, while the XZ-1 cannot take advantage of Ultra High Speed SD cards.

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 XZ-1 and Sony Alpha A7R III 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
 
Olympus XZ-1Ymono---mini2.0---
 
Sony A7R IIIYstereomonoYYmicro3.1YYY
 
Olympus TG-5-stereomono--micro2.0Y--
 
Olympus E-PM2Ystereomono--mini2.0---
 
Olympus XZ-2Ystereomono--mini2.0---
 
Olympus E-PL3Ystereo---mini2.0---
 
Olympus E-PM1Ystereomono--mini2.0---
 
Olympus E-PL1Ystereo---mini2.0---
 
Panasonic FZ200YstereomonoY-mini2.0---
 
Panasonic LX7Ystereomono--mini2.0---
 
Panasonic FZ150Ystereo---mini2.0---
 
Panasonic LX5Ymonomono--mini2.0---
 
Sony A7 IIIYstereomonoYYmicro3.1YYY
 
Sony A9YstereomonoYYmicro2.0YYY
 
Sony A99 IIYstereomonoYYmicro2.0YYY
 
Sony A7R IIYstereomonoYYmicro2.0YY-
 
Sony A7S IIYstereomonoYYmicro2.0YY-

It is notable that the A7R III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the XZ-1 does not provide wifi capability.

Studio photographers will appreciate that the Sony A7R III (unlike the XZ-1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the XZ-1 and the A7R III have been discontinued, but can regularly be found used on eBay. The XZ-1 was replaced by the Olympus XZ-2, while the A7R III was followed by the Sony A7R IV. 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.

Review summary

So what conclusions can be drawn? Is the Olympus XZ-1 better than the Sony A7R III or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Olympus XZ-1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Ready to shoot: Has a lens built-in, whereas the A7R III requires a separate lens.
  • More compact: Is smaller (111x65mm vs 127x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7R III).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been available for much longer (launched in January 2011).

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Advantages of the Sony Alpha A7R III:

  • More detail: Has more megapixels (42.2 vs 10.1MP), which boosts linear resolution by 109%.
  • 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: Scores substantially higher (66 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (7.2 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (4.3 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (4.9 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p vs 720/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 614k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 2 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (650 versus 320) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • 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 Ultra High Speed (UHS-II and UHS-I) SDXC cards.
  • More modern: Reflects 6 years and 9 months of technical progress since the XZ-1 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the A7R III is the clear winner of the contest (29 : 7 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

XZ-1 07:29 A7R III

How about other alternatives? Do the specifications of the Olympus XZ-1 and the Sony A7R III place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens Camera listings 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 says little about, for example, the shooting experience and imaging performance of the XZ-1 and the A7R III in practical situations. 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 following table reports the overall ratings of the cameras as published by some of the major 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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Olympus XZ-1..74/1004.5/54.5/54.5/5 Jan 2011 499i
 
Sony A7R III+ +90/1004.5/55/55/5 Oct 2017 3,199i
 
Olympus TG-5+ +..4/5o4/5 May 2017 449i
 
Olympus E-PM2..77/1005/54.5/54.5/5 Sep 2012 499i
 
Olympus XZ-2+..4.5/54/54.5/5 Sep 2012 599i
 
Olympus E-PL3+ +72/1004.5/5..4/5 Jun 2011 599i
 
Olympus E-PM186/10071/1004.5/5..4.5/5 Jun 2011 499i
 
Olympus E-PL186/10069/1004/54.5/54.5/5 Feb 2010 599i
 
Panasonic FZ200+ +80/1004.5/54.5/54.5/5 Jul 2012 599i
 
Panasonic LX7+ +75/1004/55/54.5/5 Jul 2012 499i
 
Panasonic FZ150+ +76/1004/55/54.5/5 Aug 2011 499i
 
Panasonic LX5+73/1004.5/55/54.5/5 Jul 2010 499i
 
Sony A7 III+ +89/1005/55/55/5 Feb 2018 1,999 i
 
Sony A9+ +89/1005/55/55/5 Apr 2017 4,499i
 
Sony A99 II..85/1004.5/54.5/54.5/5 Sep 2016 3,199 i
 
Sony A7R II+ +90/1005/54.5/55/5 Jun 2015 3,199i
 
Sony A7S II+..4.5/55/55/5 Sep 2015 2,999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Olympus XZ-1:
Check Ebay offers
Sony A7R III:
Check Ebay offers

Other camera comparisons

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

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    Specifications: Olympus XZ-1 vs Sony A7R III

    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 XZ-1 Sony A7R III
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 28-112mm f/1.8-2.5 Sony E mount lenses
    Launch Date January 2011 October 2017
    Launch Price USD 499 USD 3,199
    Sensor Specs Olympus XZ-1 Sony A7R III
    Sensor Technology CCD BSI-CMOS
    Sensor Format 1/1.7" Sensor Full Frame Sensor
    Sensor Size 7.85 x 5.89 mm 35.9 x 24.0 mm
    Sensor Area 46.2365 mm2 861.6 mm2
    Sensor Diagonal 9.8 mm 43.2 mm
    Crop Factor 4.4x 1.0x
    Sensor Resolution 10.1 Megapixels 42.2 Megapixels
    Image Resolution 3664 x 2752 pixels 7952 x 5304 pixels
    Pixel Pitch 2.13 μm 4.52 μm
    Pixel Density 21.81 MP/cm2 4.90 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 720/30p Video 4K/30p Video
    ISO Setting 100 - 6,400 ISO 100 - 32,000 ISO
    ISO Boost no Enhancement 50 - 102,400 ISO
    Image Processor TruePic V BIONZ X
    DXO Sensor Quality (score) 34 100
    DXO Color Depth (bits) 18.8 26.0
    DXO Dynamic Range (EV) 10.4 14.7
    DXO Low Light (ISO) 117 3523
    Screen Specs Olympus XZ-1 Sony A7R III
    Viewfinder Type Viewfinder optional Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 3686k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 614k dots 1440k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus XZ-1 Sony A7R III
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/8000s
    Continuous Shooting 2 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support no Single UHS-II
    Connectivity Specs Olympus XZ-1 Sony A7R III
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Olympus XZ-1 Sony A7R III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Li-50B NP-FZ100
    Battery Life (CIPA)320 shots per charge650 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 111 x 65 x 42 mm
    (4.4 x 2.6 x 1.7 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 275 g (9.7 oz) 650 g (22.9 oz)

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