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Canon R3 vs Sony A7S III

Portability
52 Imaging
77 Features
93 Overall
83
Canon EOS R3 front
 
Sony Alpha A7S III front
Portability
61 Imaging
65 Features
92 Overall
75

Canon R3 vs Sony A7S III Key Specs

Canon R3
(Full Review)
  • 24MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 102400 (Push to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 6000 x 3164 video
  • Canon RF Mount
  • 1015g - 150 x 143 x 87mm
  • Announced September 2021
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Bump to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Launched July 2020
  • Superseded the Sony A7S II
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Canon R3 vs Sony A7S III Overview

Following is a thorough analysis of the Canon R3 vs Sony A7S III, both Pro Mirrorless cameras by companies Canon and Sony. There is a huge difference among the sensor resolutions of the R3 (24MP) and A7S III (12MP) but they come with the same exact sensor sizes (Full frame).

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The R3 was launched 14 months after the A7S III making the cameras a generation away from each other. Both cameras offer the identical body type (SLR-style mirrorless).

Before diving in to a step-by-step comparison, below is a quick synopsis of how the R3 scores against the A7S III with regard to portability, imaging, features and an overall score.

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Reasons to pick Canon R3 over the Sony A7S III

		

		

			
 R3 A7S III 
LaunchedSeptember 2021July 2020More modern by 14 months
Display sizing3.2"3"Larger display (+0.2")
Display resolution4150k1440kCrisper display (+2710k dot)
		

	

	
	

		

		
Reasons to pick Sony A7S III over the Canon R3

		

		

			
 A7S III R3 
		

	

	
	

		

		
Common features in the Canon R3 and Sony A7S III

		

		

			
 R3 A7S III 
Manual focus  More accurate focusing
Display typeFully ArticulatedFully articulatedFully Articulated display
Selfie screen  Both are selfie friendly
Touch friendly display  Easily navigate
		

	

	

	
	
	
	

	

		

		
Canon R3 vs Sony A7S III Physical Comparison

		

		

			
When you are looking to carry around your camera frequently, you'll need to factor its weight and dimensions. The Canon R3 provides outer dimensions of 150mm x 143mm x 87mm (5.9" x 5.6" x 3.4") and a weight of 1015 grams (2.24 lbs) while the Sony A7S III has dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).
Contrast the Canon R3 vs Sony A7S III in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses
Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilising at the time. Here is the front view dimension comparison of the R3 and the A7S III.
Canon R3 vs Sony A7S III size comparison
Taking into account size and weight, the portability score of the R3 and A7S III is 52 and 61 respectively.
Canon R3 vs Sony A7S III top view buttons comparison		

	

	
	

		

		
Canon R3 vs Sony A7S III Sensor Comparison

		

		

			
Generally, it can be tough to visualise the contrast in sensor sizes only by checking out specs. The image below will help offer you a clearer sense of the sensor sizes in the R3 and A7S III.
As you can plainly see, both of the cameras offer the same exact sensor sizing but not the same resolution. You should expect to see the Canon R3 to show more detail utilizing its extra 12MP. Greater resolution will make it easier to crop pics a little more aggressively. The more modern R3 is going to have an advantage in sensor innovation.
	
			Canon R3 vs Sony A7S III sensor size comparison			
		

	

	
	

		

		
Canon R3 vs Sony A7S III Screen and ViewFinder

		

		

					

		Canon R3 vs Sony A7S III Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
Canon R3 Portrait photography factors
Sony A7S III Portrait photography factors
86
 manual focus
 decent sensor resolution (24MP)
 large sensor size (Full frame)
 supports face detect autofocus
 exports RAW formats
71
 manual focus
 big sensor size (Full frame)
 provides face detect autofocus
 supports RAW files
 sensor resolution low (12 megapixels)
Photography Glossary
Street Comparison
Street photography with Canon R3
Street photography with Sony A7S III
70
 fully articulated screen
 built in image stabilization (Sensor based 5-axis)
 large sensor size (Full frame)
 exports RAW formats
 offers focus via touch
 environment sealing
 very good ISO range (102,400)
 heavier than others in class (1,015 grams)
76
 has image stabilization (Sensor based 5-axis)
 big sensor size (Full frame)
 supports RAW files
 comes with touch to focus
 environment proofing
 above average high ISO (102,400)
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Sports Comparison
Canon R3 Sports photography info
Sony A7S III Sports photography info
88
 max shutter speed is good (1/8,000 seconds)
 silent shutter (1/64,000 seconds)
 built in image stabilization (Sensor based 5-axis)
 decent sensor resolution (24MP)
 large sensor size (Full frame)
 supports tracking focus
 environment sealing
 better than average battery power (760 CIPA)
 sensor has phase detect autofocus
76
 great max shutter speed (1/8,000s)
 has image stabilization (Sensor based 5-axis)
 big sensor size (Full frame)
 provides tracking focus
 environment proofing
 better than average battery pack (600 per charge)
 comes with phase detect autofocus
 sensor resolution low (12 megapixels)
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Travel Comparison
 Canon R3 as a Travel photography camera
 Sony A7S III as a Travel photography camera
70
 better than average battery power (760 shots)
 environment sealing
 has bluetooth
 offers focus via touch
 decent sensor resolution (24 megapixels)
 selfie friendly display
 heavier than others in class (1,015g)
70
 better than average battery pack (600 CIPA)
 environment proofing
 has bluetooth
 comes with touch to focus
 screen is selfie friendly
 sensor resolution low (12 megapixels)
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Landscape Comparison
Canon R3 Landscape photography highlights
Sony A7S III Landscape photography highlights
86
 manual focus
 swap lenses (Canon RF mount)
 screen size is good (3.2 inch)
 built in image stabilization (Sensor based 5-axis)
 decent sensor resolution (24 megapixels)
 large sensor size (Full frame)
 very good ISO range (102,400)
 exports RAW formats
 environment sealing
 better than average battery power (760 per charge)
 has double storage slots
77
 manual focus
 switch lenses (Sony E mount)
 pretty good screen size (3 inch)
 has image stabilization (Sensor based 5-axis)
 big sensor size (Full frame)
 above average high ISO (102,400)
 supports RAW files
 environment proofing
 better than average battery pack (600 per charge)
 two card slots
 sensor resolution low (12MP)
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Vlogging Comparison
Vlogging with Canon R3
Vlogging with Sony A7S III
70
 selfie friendly display
 touchscreen enabled
 built in image stabilization (Sensor based 5-axis)
 supports face detect autofocus
 high res video (6000 x 3164 resolution)
 includes mic port
 heavier than others in class (1,015 grams)
77
 screen is selfie friendly
 touchscreen functionality
 has image stabilization (Sensor based 5-axis)
 provides face detect autofocus
 video resolution high (3840 x 2160 pxls)
 does have microphone socket
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Canon R3 vs Sony A7S III Specifications

		

		

					

		
		

			Detailed spec comparison table for Canon R3 and Sony A7S III
 Canon EOS R3Sony Alpha A7S III
General Information
Company Canon Sony
Model Canon EOS R3 Sony Alpha A7S III
Type Pro Mirrorless Pro Mirrorless
Announced 2021-09-14 2020-07-21
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor - Bionz XR
Sensor type Stacked CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor measurements 36 x 24mm 35.6 x 23.8mm
Sensor area 864.0mm² 847.3mm²
Sensor resolution 24MP 12MP
Anti aliasing filter    
Aspect ratio 1:1, 4:3, 3:2 and  16:9 3:2 and  16:9
Highest Possible resolution 6000 x 4000 4240 x 2832
Maximum native ISO 102400 102400
Maximum enhanced ISO 204800 409600
Lowest native ISO 100 80
RAW format    
Lowest enhanced ISO 50 50
Autofocusing
Manual focus    
Touch to focus    
Continuous autofocus    
Autofocus single    
Tracking autofocus    
Selective autofocus    
Autofocus center weighted    
Autofocus multi area    
Autofocus live view    
Face detect autofocus    
Contract detect autofocus    
Phase detect autofocus    
Number of focus points 1053 759
Lens
Lens mount Canon RF Sony E
Available lenses 27 121
Focal length multiplier 1 1
Screen
Display type Fully Articulated Fully articulated
Display diagonal 3.2 inches 3 inches
Display resolution 4,150 thousand dots 1,440 thousand dots
Selfie friendly    
Liveview    
Touch functionality    
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 5,760 thousand dots 9,440 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.76x 0.91x
Features
Min shutter speed 30s 30s
Max shutter speed 1/8000s 1/8000s
Max quiet shutter speed 1/64000s -
Continuous shutter rate 12.0 frames per second 10.0 frames per second
Shutter priority    
Aperture priority    
Expose Manually    
Exposure compensation Yes Yes
Set white balance    
Image stabilization    
Inbuilt flash    
Flash range no built-in flash no built-in flash
Flash modes no built-in flash no built-in flash
External flash    
Auto exposure bracketing    
White balance bracketing    
Max flash synchronize 1/250s -
Exposure
Multisegment    
Average    
Spot    
Partial    
AF area    
Center weighted    
Video features
Video resolutions 6000x3164 (60p/​50p/​30p/​24p/​23.98p) 4096x2160 (120p/​60p/​30p/​24p/​23.98p) 3840x2160 (120p/​60p/​30p/​23.98p) 1920x1080 (60p/​30p/​23.98p) 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Maximum video resolution 6000x3164 3840x2160
Video file format MPEG-4, H.264, H.265 MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Microphone port    
Headphone port    
Connectivity
Wireless Built-In Built-In
Bluetooth    
NFC    
HDMI    
USB USB 3.2 Gen 2 (10 GBit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS Yes None
Physical
Environmental sealing    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 1015g (2.24 lbs) 699g (1.54 lbs)
Dimensions 150 x 143 x 87mm (5.9" x 5.6" x 3.4") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO Overall score 96 85
DXO Color Depth score 25.0 23.6
DXO Dynamic range score 14.7 13.3
DXO Low light score 4086 2993
Other
Battery life 760 photographs 600 photographs
Type of battery Battery Pack Battery Pack
Battery model LP-E19 NP-FZ100
Self timer Yes Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording   With downloadable app
Type of storage SD/ SDHC/ SDXC (UHS-II supported) + CFexpress Type B Dual SD/CFexpress Type A slots
Card slots Two Two
Retail price $6,000 $3,499