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Canon R3 vs Sony A7 III

Portability
52
Imaging
78
Features
93
Overall
84
Canon EOS R3 front
 
Sony Alpha A7 III front
Portability
63
Imaging
74
Features
92
Overall
81

Canon R3 vs Sony A7 III Key Specs

Canon R3
(Full Review)
  • 24MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • ISO 100 - 102400 (Push to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 6000 x 3164 video
  • Canon RF Mount
  • 1015g - 150 x 143 x 87mm
  • Launched September 2021
Sony A7 III
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 51200 (Raise to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 650g - 127 x 96 x 74mm
  • Introduced February 2018
  • Old Model is Sony A7 II
  • Replacement is Sony A7 IV
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Canon R3 vs Sony A7 III Overview

Following is a thorough overview of the Canon R3 vs Sony A7 III, both Pro Mirrorless digital cameras by companies Canon and Sony. The image resolution of the R3 (24MP) and the A7 III (24MP) is relatively well matched and both cameras posses the identical sensor size (Full frame).

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The R3 was revealed 3 years after the A7 III which is quite a serious gap as far as technology is concerned. The two cameras feature the same body design (SLR-style mirrorless).

Before getting into a step-by-step comparison, here is a short summation of how the R3 scores vs the A7 III in terms of portability, imaging, features and an overall score.

Photography Glossary
	
	

Reasons to pick Canon R3 over the Sony A7 III

 R3 A7 III 
IntroducedSeptember 2021February 2018More modern by 44 months
Screen typeFully ArticulatedTiltingFully Articulating screen
Screen size3.2"3"Bigger screen (+0.2")
Screen resolution4150k922kClearer screen (+3228k dot)
Selfie screen Take selfies

Reasons to pick Sony A7 III over the Canon R3

 A7 III R3 

Common features in the Canon R3 and Sony A7 III

 R3 A7 III 
Manually focus Very accurate focus
Touch screen Quickly navigate

Canon R3 vs Sony A7 III Physical Comparison

For anyone who is going to carry around your camera often, you will need to take into account its weight and proportions. The Canon R3 comes with external dimensions of 150mm x 143mm x 87mm (5.9" x 5.6" x 3.4") and a weight of 1015 grams (2.24 lbs) and the Sony A7 III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Take a look at the Canon R3 vs Sony A7 III in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you use during that time. The following is a front view dimensions comparison of the R3 versus the A7 III.

Canon R3 vs Sony A7 III size comparison

Using dimensions and weight, the portability grade of the R3 and A7 III is 52 and 63 respectively.

Canon R3 vs Sony A7 III top view buttons comparison

Canon R3 vs Sony A7 III Sensor Comparison

More often than not, it's tough to envision the gap between sensor sizes just by reading through technical specs. The image underneath will provide you a more clear sense of the sensor dimensions in the R3 and A7 III.

As you have seen, both of the cameras come with the identical sensor size and the identical MP so you should expect similar quality of files although you will want to consider the release date of the products into consideration. The newer R3 is going to have an edge with regard to sensor tech.

Canon R3 vs Sony A7 III sensor size comparison

Canon R3 vs Sony A7 III Screen and ViewFinder

Canon R3 vs Sony A7 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Canon R3
Portrait photography with Sony A7 III
86
has manual focus
good MP (24 megapixels)
big sensor size (Full frame)
features face detection focus
saves RAW files
84
focusing manually
sensor resolution is decent (24MP)
large sensor size (Full frame)
comes with face detect focus
exports RAW files
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Street Comparison

Canon R3 Street photography details
Sony A7 III Street photography details
70
fully articulated screen
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW files
includes touch to focus
environment proofing
very good high ISO (102,400)
more heavy than competition (1,015g)
78
screen tilts
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
exports RAW files
boasts focus via touch
weather sealing
above average ISO range (51,200)
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Sports Comparison

Canon R3 Sports photography features
Sony A7 III Sports photography features
89
great max shutter speed (1/8,000s)
quiet mode (1/64,000s)
has image stabilization (Sensor based 5-axis)
good MP (24 megapixels)
big sensor size (Full frame)
features tracking autofocus
environment proofing
good battery (760 per charge)
has phase detect auto focus
87
great max shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
sensor resolution is decent (24 megapixels)
large sensor size (Full frame)
comes with tracking focus
weather sealing
great battery power (610 per charge)
sensor has phase detect auto focus
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Travel Comparison

Canon R3 Travel photography details
Sony A7 III Travel photography details
70
good battery (760 CIPA)
environment proofing
has bluetooth
includes touch to focus
good MP (24MP)
screen is selfie friendly
more heavy than competition (1,015g)
73
great battery power (610 shots)
weather sealing
supports bluetooth
boasts focus via touch
sensor resolution is decent (24 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Canon R3 Landscape photography information
Sony A7 III Landscape photography information
86
has manual focus
switch lenses (Canon RF mount)
pretty good screen size (3.2 inches)
has image stabilization (Sensor based 5-axis)
good MP (24MP)
big sensor size (Full frame)
very good high ISO (102,400)
saves RAW files
environment proofing
good battery (760 shots)
has double storage slots
85
focusing manually
change lenses (Sony E mount)
screen size is decent (3 inches)
built in image stabilization (Sensor based 5-axis)
sensor resolution is decent (24 megapixels)
large sensor size (Full frame)
above average ISO range (51,200)
exports RAW files
weather sealing
great battery power (610 per charge)
two card slots
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Vlogging Comparison

Vlogging with Canon R3
Vlogging with Sony A7 III
70
screen is selfie friendly
touchscreen enabled
has image stabilization (Sensor based 5-axis)
features face detection focus
good video quality (6000 x 3164 pixels)
has external microphone port
more heavy than competition (1,015 grams)
36
touchscreen
built in image stabilization (Sensor based 5-axis)
comes with face detect focus
high quality video (3840 x 2160 pixels)
includes microphone socket
screen isn't selfie friendly
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Canon R3 vs Sony A7 III Specifications

Detailed spec comparison table for Canon R3 and Sony A7 III
 Canon EOS R3Sony Alpha A7 III
General Information
Brand Canon Sony
Model Canon EOS R3 Sony Alpha A7 III
Category Pro Mirrorless Pro Mirrorless
Launched 2021-09-14 2018-02-27
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor Chip - Bionz X
Sensor type Stacked CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor measurements 36 x 24mm 35.8 x 23.8mm
Sensor surface area 864.0mm² 852.0mm²
Sensor resolution 24MP 24MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Maximum resolution 6000 x 4000 6000 x 4000
Maximum native ISO 102400 51200
Maximum boosted ISO 204800 204800
Min native ISO 100 100
RAW images
Min boosted ISO 50 50
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 1053 693
Lens
Lens mounting type Canon RF Sony E
Total lenses 27 121
Crop factor 1 1
Screen
Type of screen Fully Articulated Tilting
Screen size 3.2 inches 3 inches
Screen resolution 4,150k dots 922k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 5,760k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.76x 0.78x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/8000 seconds 1/8000 seconds
Highest silent shutter speed 1/64000 seconds -
Continuous shooting rate 12.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range no built-in flash no built-in flash
Flash settings no built-in flash no built-in flash
Hot shoe
Auto exposure bracketing
White balance bracketing
Highest flash synchronize 1/250 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported 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 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 6000x3164 3840x2160
Video file format MPEG-4, H.264, H.265 MPEG-4, AVCHD, XAVC S, H.264
Microphone port
Headphone port
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 Yes None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1015 grams (2.24 lbs) 650 grams (1.43 lbs)
Physical dimensions 150 x 143 x 87mm (5.9" x 5.6" x 3.4") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO All around score 96 96
DXO Color Depth score 25.0 25.0
DXO Dynamic range score 14.7 14.7
DXO Low light score 4086 3730
Other
Battery life 760 shots 610 shots
Form 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 shooting
Storage type SD/ SDHC/ SDXC (UHS-II supported) + CFexpress Type B SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Two Two
Cost at launch $6,000 $1,998