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Sony A7R III vs Canon M5

The Sony Alpha A7R III and the Canon EOS M5 are two digital cameras that were revealed to the public, respectively, in October 2017 and September 2016. Both the A7R III and the M5 are mirrorless interchangeable lens cameras that are based on a full frame (A7R III) and an APS-C (M5) sensor. The Sony has a resolution of 42.2 megapixels, whereas the Canon provides 24 MP.

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

Headline Specifications
Sony A7R III
versus
Canon M5
Sony A7R III   Canon M5
Mirrorless system camera Mirrorless system camera
Sony E mount lenses Canon EF-M mount lenses
42.2 MP – Full Frame sensor 24 MP – APS-C sensor
4K/30p Video 1080/60p Video
ISO 100-32,000 (50 - 102,400) ISO 100-25,600
Electronic viewfinder (3686k dots) Electronic viewfinder (2360k dots)
3.0" LCD – 1440k dots 3.2" LCD – 1620k dots
Tilting touchscreen Tilting touchscreen
10 shutter flaps per second 9 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodynot weather sealed
650 shots per battery charge295 shots per battery charge
127 x 96 x 74 mm, 650 g 116 x 89 x 61 mm, 427 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A7R III and the Canon EOS M5? 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 physical size and weight of the Sony A7R III and the Canon M5 are illustrated in the side-by-side display below. 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 Sony A7R III vs Canon M5
Compare A7R III versus M5 top
Comparison A7R III or M5 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon M5 is notably smaller (15 percent) than the Sony A7R III. Moreover, the M5 is markedly lighter (34 percent) than the A7R III. It is worth mentioning in this context that the A7R III is splash and dust resistant, while the M5 does not feature any corresponding weather-sealing.

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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the A7R III gets 650 shots out of its Sony NP-FZ100 battery, while the M5 can take 295 images on a single charge of its Canon LP-E17 power pack. The power pack in the A7R 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. 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
2.
 
Canon M5 116 mm 89 mm 61 mm 427 g 295 n Sep 2016 979ebay.com
3.
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899ebay.com
4.
 
Canon M3 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 679ebay.com
5.
 
Canon M6 112 mm 68 mm 45 mm 390 g 295 n Feb 2017 779ebay.com
6.
 
Canon M10 108 mm 67 mm 35 mm 301 g 255 n Oct 2015 499ebay.com
7.
 
Canon M100 108 mm 67 mm 35 mm 302 g 295 n Aug 2017 499ebay.com
8.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399ebay.com
9.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 6,499 amazon.com
10.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
11.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
12.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
13.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
14.
 
Sony A7R IVA 129 mm 96 mm 78 mm 665 g 670 Y Apr 2021 3,499 amazon.com
15.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 3,899 amazon.com
16.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 3,499 amazon.com
17.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
Note: 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 M5 was launched at a markedly lower price (by 69 percent) than the A7R III, which puts it into a different market segment. 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.

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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Sony A7R III features a full frame sensor and the Canon M5 an APS-C sensor. The sensor area in the M5 is 61 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony A7R III and Canon M5 sensor measures

With 42.2MP, the A7R III offers a higher resolution than the M5 (24MP), but the A7R III nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 3.72μm for the M5) due to its larger sensor. Moreover, the A7R III is a somewhat more recent model (by 1 year and 1 month) than the M5, 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 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 Canon M5 are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

Unlike the M5, 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 Sony Alpha A7R III has a native sensitivity range from ISO 100 to ISO 32000, which can be extended to ISO 50-102400. The corresponding ISO settings for the Canon EOS M5 are ISO 100 to ISO 25600 (no boost).

In terms of underlying technology, the A7R III is build around a BSI-CMOS sensor, while the M5 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

A7R III versus M5 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under review, the A7R III provides substantially higher image quality than the M5, with an overall score that is 23 points higher. This advantage is based on 2.6 bits higher color depth, 2.3 EV in additional dynamic range, and 1.5 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
2.
 
Canon M5 APS-C 24.0 6000 40001080/60p23.412.4126277
3.
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
4.
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
5.
 
Canon M6 APS-C 24.0 6000 40001080/60p23.412.6131778
6.
 
Canon M10 APS-C 17.9 5184 34561080/30p22.211.475365
7.
 
Canon M100 APS-C 24.0 6000 40001080/60p23.512.9127278
8.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
9.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
10.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
11.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
12.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
13.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
14.
 
Sony A7R IVA Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
16.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
17.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A7R III provides a higher video resolution than the M5. It can shoot video footage at 4K/30p, while the Canon is limited to 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the A7R III offers a substantially higher resolution than the one in the M5 (3686k vs 2360k dots). The adjacent table lists some of the other core features of the Sony A7R III and Canon M5 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.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
2.
 
Canon M52360 n3.2 / 1620 tilting Y 1/4000s 9.0/s Y n
3.
 
Canon 77Doptical Y3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
4.
 
Canon M3optional n3.0 / 1040 tilting Y 1/4000s 4.2/s Y n
5.
 
Canon M6optional n3.0 / 1040 tilting Y 1/4000s 9.0/s Y n
6.
 
Canon M10none n3.0 / 1040 tilting Y 1/4000s 4.6/s Y n
7.
 
Canon M100none n3.0 / 1040 tilting Y 1/4000s 6.1/s Y n
8.
 
Nikon Z73690 Y3.2 / 2100 tilting Y 1/8000s 9.0/s n Y
9.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
10.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
11.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
12.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
13.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R IVA5760 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
16.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
17.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the A7R III and the M5 is in-body image stabilization (IBIS). The A7R III reduces the risk of handshake-induced blur with all attached lenses, while the M5 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The M5 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 A7R III 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 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 Sony A7R III has 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 A7R III writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the M5 uses SDXC cards. The A7R III features dual card slots, which can be very useful in case a memory card fails. In contrast, the M5 only has one slot. The A7R III supports UHS-II cards (on its first slot), while the M5 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 Sony Alpha A7R III and Canon EOS M5 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.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
2.
 
Canon M5Ystereo / monoY-mini2.0YYY
3.
 
Canon 77DYstereo / monoY-mini2.0YYY
4.
 
Canon M3Ystereo / monoY-mini2.0YY-
5.
 
Canon M6Ystereo / monoY-mini2.0YYY
6.
 
Canon M10-stereo / mono--mini2.0YY-
7.
 
Canon M100-stereo / mono--micro2.0YYY
8.
 
Nikon Z7Ystereo / monoYYmicro3.1Y-Y
9.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
10.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
11.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
12.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
13.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IVAYstereo / monoYYmicro3.2YYY
15.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
16.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
17.
 
Sony A9Ystereo / monoYYmicro2.0YYY

It is notable that the A7R III has a headphone jack, which is not present on the M5 This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

Studio photographers will appreciate that the Sony A7R III (unlike the M5) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the A7R III and the M5 have been discontinued, but can regularly be found used on ebay. The A7R III was replaced by the Sony A7R IV, while the M5 does not have a direct successor. Further information on the features and operation of the A7R III and M5 can be found, respectively, in the Sony A7R III Manual (free pdf) or the online Canon M5 Manual.

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Review summary

So how do things add up? Is there a clear favorite between the Sony A7R III and the Canon M5? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Sony Alpha A7R III:

  • More detail: Offers more megapixels (42.2 vs 24MP) with a 33% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Scores substantially higher (23 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.6 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.3 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1.5 stops ISO advantage).
  • 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.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3686k vs 2360k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (650 versus 295) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • 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 1 year and 1 month after the M5).

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Advantages of the Canon EOS M5:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 1440k dots).
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (116x89mm vs 127x96mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 223g or 34 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (69 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in September 2016).

If the count of individual advantages (bullet points above) is taken as a guide, the A7R III is the clear winner of the match-up (22 : 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.

A7R III 22:09 M5

How about other alternatives? Do the specifications of the Sony A7R III and the Canon M5 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the A7R III or the M5 perform in practice. 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 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 (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 (USD)
Street
Price
1.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
2.
 
Canon M54/5+4/582/1004/54/5 Sep 2016 979ebay.com
3.
 
Canon 77D4.5/5..4/582/1004.5/54/5 Feb 2017 899ebay.com
4.
 
Canon M34/5o..75/1004.5/54/5 Feb 2015 679ebay.com
5.
 
Canon M6......80/1004/54/5 Feb 2017 779ebay.com
6.
 
Canon M10..........4/5 Oct 2015 499ebay.com
7.
 
Canon M1003/5+....4/53.5/5 Aug 2017 499ebay.com
8.
 
Nikon Z75/5+4.8/589/1004.5/55/5 Aug 2018 3,399ebay.com
9.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 6,499 amazon.com
10.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
11.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
12.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
13.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
14.
 
Sony A7R IVA5/5+4.5/591/1004.5/55/5 Apr 2021 3,499 amazon.com
15.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 3,899 amazon.com
16.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 3,499 amazon.com
17.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date 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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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. 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: Sony A7R III vs Canon M5

    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 Sony A7R III Canon M5
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Sony E mount lenses Canon EF-M mount lenses
    Launch Date October 2017 September 2016
    Launch Price USD 3,199 USD 979
    Sensor Specs Sony A7R III Canon M5
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.9 x 24.0 mm 22.3 x 14.9 mm
    Sensor Area 861.6 mm2 332.27 mm2
    Sensor Diagonal 43.2 mm 26.8 mm
    Crop Factor 1.0x 1.6x
    Sensor Resolution 42.2 Megapixels 24 Megapixels
    Image Resolution 7952 x 5304 pixels 6000 x 4000 pixels
    Pixel Pitch 4.52 μm 3.72 μm
    Pixel Density 4.90 MP/cm2 7.22 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60p Video
    ISO Setting 100 - 32,000 ISO 100 - 25,600 ISO
    ISO Boost 50 - 102,400 ISO no Enhancement
    Image Processor BIONZ X DIGIC 7
    DXO Sensor Quality (score) 100 77
    DXO Color Depth (bits) 26.0 23.4
    DXO Dynamic Range (EV) 14.7 12.4
    DXO Low Light (ISO) 3523 1262
    Screen Specs Sony A7R III Canon M5
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x .. x
    Viewfinder Resolution 3686k dots 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1440k dots 1620k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Sony A7R III Canon M5
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 10 shutter flaps/s 9 shutter flaps/s
    Shutter Life Expectancy500 000 actuations100 000 actuations
    Electronic ShutterYESno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium MS or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support Single UHS-II UHS-I
    Connectivity Specs Sony A7R III Canon M5
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI mini 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 NFC built-in NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Sony A7R III Canon M5
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Sony NP-FZ100 Canon LP-E17
    Battery Life (CIPA)650 shots per charge295 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    116 x 89 x 61 mm
    (4.6 x 3.5 x 2.4 in)
    Camera Weight 650 g (22.9 oz) 427 g (15.1 oz)
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