Canon R8 vs Sony A7R III
71 Imaging
78 Features
85 Overall
80


63 Imaging
77 Features
93 Overall
83
Canon R8 vs Sony A7R III Key Specs
(Full Review)
- 24MP - Full frame Sensor
- 3.00" Fully Articulated Screen
- ISO 100 - 102400 (Boost to 204800)
- 3840 x 2160 video
- Canon RF Mount
- 461g - 133 x 86 x 70mm
- Introduced February 2023
(Full Review)
- 42MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 32000 (Bump to 102400)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 657g - 127 x 96 x 74mm
- Launched October 2017
- Previous Model is Sony A7R II
- Later Model is Sony A7R IV

Canon R8 vs Sony A7R III Overview
Let's look much closer at the Canon R8 vs Sony A7R III, former is a Advanced Mirrorless while the other is a Pro Mirrorless by competitors Canon and Sony. There is a noticeable difference between the resolutions of the R8 (24MP) and A7R III (42MP) but both cameras offer the same sensor sizing (Full frame).

The R8 was revealed 5 years after the A7R III which is quite a sizable difference as far as tech is concerned. The two cameras have the same body design (SLR-style mirrorless).
Before diving straight to a full comparison, here is a concise view of how the R8 matches up vs the A7R III in terms of portability, imaging, features and an overall mark.

Canon R8 vs Sony A7R III Gallery
Following is a sample of the gallery pictures for Canon EOS R8 & Sony Alpha A7R III. The full galleries are available at Canon R8 Gallery & Sony A7R III Gallery.
Reasons to pick Canon R8 over the Sony A7R III
R8 | A7R III | |||
---|---|---|---|---|
Launched | February 2023 | ![]() | October 2017 | Newer by 65 months |
Display type | Fully Articulated | ![]() | Tilting | Fully Articulating display |
Display resolution | 1620k | ![]() | 1440k | Sharper display (+180k dot) |
Selfie screen | ![]() | Take selfies |
Reasons to pick Sony A7R III over the Canon R8
A7R III | R8 |
---|
Common features in the Canon R8 and Sony A7R III
R8 | A7R III | |||
---|---|---|---|---|
Focus manually | ![]() | Very accurate focus | ||
Display dimensions | 3.00" | ![]() | 3" | Equal display measurement |
Touch friendly display | ![]() | Easily navigate |
Canon R8 vs Sony A7R III Physical Comparison
If you're intending to travel with your camera often, you'll need to consider its weight and proportions. The Canon R8 provides external measurements of 133mm x 86mm x 70mm (5.2" x 3.4" x 2.8") having a weight of 461 grams (1.02 lbs) and the Sony A7R III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).
Check the Canon R8 vs Sony A7R III in our brand new Camera plus Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will vary dependant on the lens you have chosen during that time. Here is a front view proportions comparison of the R8 and the A7R III.

Taking into consideration size and weight, the portability rating of the R8 and A7R III is 71 and 63 respectively.

Canon R8 vs Sony A7R III Sensor Comparison
Often, it can be difficult to visualize the contrast between sensor dimensions merely by looking at specs. The picture underneath will give you a clearer sense of the sensor measurements in the R8 and A7R III.
As you can plainly see, both the cameras provide the same sensor dimensions but different megapixels. You can anticipate the Sony A7R III to give you more detail because of its extra 18 Megapixels. Greater resolution will help you crop images more aggressively. The fresher R8 should have an edge with regard to sensor tech.

Canon R8 vs Sony A7R III Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Canon R8 vs Sony A7R III Specifications
Canon EOS R8 | Sony Alpha A7R III | |
---|---|---|
General Information | ||
Make | Canon | Sony |
Model type | Canon EOS R8 | Sony Alpha A7R III |
Category | Advanced Mirrorless | Pro Mirrorless |
Introduced | 2023-02-08 | 2017-10-25 |
Physical type | SLR-style mirrorless | SLR-style mirrorless |
Sensor Information | ||
Processor Chip | - | Bionz X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | Full frame | Full frame |
Sensor dimensions | 36 x 24mm | 35.9 x 24mm |
Sensor surface area | 864.0mm² | 861.6mm² |
Sensor resolution | 24 megapixels | 42 megapixels |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
Highest Possible resolution | 6000 x 4000 | 7952 x 5304 |
Maximum native ISO | 102400 | 32000 |
Maximum enhanced ISO | 204800 | 102400 |
Lowest native ISO | 100 | 100 |
RAW data | ||
Lowest enhanced ISO | 50 | 50 |
Autofocusing | ||
Manual focusing | ||
Touch to focus | ||
Continuous AF | ||
Single AF | ||
AF tracking | ||
AF selectice | ||
AF center weighted | ||
AF multi area | ||
Live view AF | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Total focus points | 1053 | 425 |
Lens | ||
Lens support | Canon RF | Sony E |
Total lenses | 37 | 121 |
Focal length multiplier | 1 | 1 |
Screen | ||
Screen type | Fully Articulated | Tilting |
Screen diagonal | 3.00 inches | 3 inches |
Resolution of screen | 1,620 thousand dots | 1,440 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Viewfinder Information | ||
Viewfinder type | Electronic | Electronic |
Viewfinder resolution | 2,360 thousand dots | 3,686 thousand dots |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.76x | 0.78x |
Features | ||
Minimum shutter speed | 30 seconds | 30 seconds |
Fastest shutter speed | 1/4000 seconds | 1/8000 seconds |
Fastest silent shutter speed | 1/16000 seconds | - |
Continuous shutter rate | 6.0fps | 10.0fps |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | no built-in flash | no built-in flash |
Flash settings | no built-in flash | Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync |
External flash | ||
AE bracketing | ||
White balance bracketing | ||
Fastest flash synchronize | 1/250 seconds | - |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 3840 x 2160 @ 60p / 230 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 120 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 120 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 120p / 120 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 60 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 30 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p / 30 Mbps, MOV, H.264, Linear PCM | 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) |
Maximum video resolution | 3840x2160 | 3840x2160 |
Video file format | MPEG-4, H.264, H.265 | MPEG-4, AVCHD, XAVC S |
Mic support | ||
Headphone support | ||
Connectivity | ||
Wireless | Built-In | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.2 Gen 2 (10 GBit/sec) | USB 3.1 Gen 1(5 GBit/sec) |
GPS | None | None |
Physical | ||
Environmental sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 461g (1.02 lbs) | 657g (1.45 lbs) |
Physical dimensions | 133 x 86 x 70mm (5.2" x 3.4" x 2.8") | 127 x 96 x 74mm (5.0" x 3.8" x 2.9") |
DXO scores | ||
DXO Overall rating | 93 | 100 |
DXO Color Depth rating | 24.5 | 26.0 |
DXO Dynamic range rating | 14.5 | 14.7 |
DXO Low light rating | 3295 | 3523 |
Other | ||
Battery life | 290 shots | 650 shots |
Form of battery | Battery Pack | Battery Pack |
Battery ID | LP-E17 | NP-FZ100 |
Self timer | Yes | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
Time lapse shooting | ||
Storage type | Single UHS-II SD card slot | Two SD/SDHC/SDXC slots (UHS-II support on one) |
Card slots | Single | 2 |
Launch cost | $1,499 | $2,800 |