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Canon R3 vs Sony A7R III

Portability
52
Imaging
77
Features
93
Overall
83
Canon EOS R3 front
 
Sony Alpha A7R III front
Portability
63
Imaging
78
Features
93
Overall
84

Canon R3 vs Sony A7R III Key Specs

Canon R3
(Full Review)
  • 24MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • ISO 100 - 102400 (Boost 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
  • Launched September 2021
Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Raise to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Released October 2017
  • Previous Model is Sony A7R II
  • Later Model is Sony A7R IV
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Canon R3 vs Sony A7R III Overview

The following is a detailed assessment of the Canon R3 vs Sony A7R III, both Pro Mirrorless cameras by competitors Canon and Sony. There exists a significant gap among the image resolutions of the R3 (24MP) and A7R III (42MP) but both cameras posses the identical sensor size (Full frame).

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The R3 was launched 3 years after the A7R III which is a fairly sizable gap as far as camera technology is concerned. Both of these cameras feature the same body design (SLR-style mirrorless).

Before we go straight to a in-depth comparison, here is a quick summary of how the R3 matches up against the A7R III for portability, imaging, features and an overall mark.

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Reasons to pick Canon R3 over the Sony A7R III

 R3 A7R III 
ReleasedSeptember 2021October 2017Newer by 48 months
Screen typeFully ArticulatedTiltingFully Articulating screen
Screen size3.2"3"Bigger screen (+0.2")
Screen resolution4150k1440kClearer screen (+2710k dot)
Selfie screen Take selfies

Reasons to pick Sony A7R III over the Canon R3

 A7R III R3 

Common features in the Canon R3 and Sony A7R III

 R3 A7R III 
Focus manually Very precise focusing
Touch screen Quickly navigate

Canon R3 vs Sony A7R III Physical Comparison

For anybody who is aiming to travel with your camera, you have to factor its weight and measurements. The Canon R3 has got physical measurements of 150mm x 143mm x 87mm (5.9" x 5.6" x 3.4") along with a weight of 1015 grams (2.24 lbs) whilst the Sony A7R III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 657 grams (1.45 lbs).

Examine the Canon R3 vs Sony A7R III in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you use at that moment. Following is a front view dimensions comparison of the R3 compared to the A7R III.

Canon R3 vs Sony A7R III size comparison

Looking at dimensions and weight, the portability score of the R3 and A7R III is 52 and 63 respectively.

Canon R3 vs Sony A7R III top view buttons comparison

Canon R3 vs Sony A7R III Sensor Comparison

More often than not, it can be tough to picture the difference in sensor dimensions simply by looking through specifications. The pic underneath might give you a greater sense of the sensor measurements in the R3 and A7R III.

To sum up, the two cameras feature the identical sensor size albeit different MP. You should expect the Sony A7R III to render more detail utilizing its extra 18MP. Higher resolution will enable you to crop photographs way more aggressively. The more modern R3 provides an advantage in sensor tech.

Canon R3 vs Sony A7R III sensor size comparison

Canon R3 vs Sony A7R III Screen and ViewFinder

Canon R3 vs Sony A7R III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon R3 as a Portrait photography camera
Sony A7R III as a Portrait photography camera
86
has manual focus
decent megapixels (24MP)
big sensor size (Full frame)
features face detect autofocus
supports RAW formats
86
focusing manually
megapixel count great (42MP)
great sensor size (Full frame)
includes face detect focus
supports RAW formats
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Street Comparison

Canon R3 Street photography information
Sony A7R III Street photography information
70
fully articulated screen
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
supports RAW formats
features focus via touch
weather proof
great high ISO (102,400)
heavier than competition in class (1,015g)
79
screen tilts
built in image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
supports RAW formats
comes with focus via touch
environment proof
very good high ISO (32,000)
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Sports Comparison

Sports photography with Canon R3
Sports photography with Sony A7R III
88
max shutter speed is good (1/8,000 seconds)
silent shutter (1/64,000 seconds)
has image stabilization (Sensor based 5-axis)
decent megapixels (24MP)
big sensor size (Full frame)
features tracking focus
weather proof
better than average battery pack (760 CIPA)
supports phase detect autofocus
89
great max shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
megapixel count great (42MP)
great sensor size (Full frame)
includes tracking focus
environment proof
better than average battery pack (650 shots)
comes with phase detect auto focus
Photography Glossary

Travel Comparison

Canon R3 Travel photography info
Sony A7R III Travel photography info
70
better than average battery pack (760 shots)
weather proof
connects via bluetooth
features focus via touch
decent megapixels (24 megapixels)
selfie friendly screen
heavier than competition in class (1,015g)
74
better than average battery pack (650 per charge)
environment proof
connects via bluetooth
comes with focus via touch
megapixel count great (42 megapixels)
screen is not selfie friendly
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Landscape Comparison

Canon R3 as a Landscape photography camera
Sony A7R III as a Landscape photography camera
86
has manual focus
swap lenses (Canon RF mount)
screen size is decent (3.2 inches)
has image stabilization (Sensor based 5-axis)
decent megapixels (24MP)
big sensor size (Full frame)
great high ISO (102,400)
supports RAW formats
weather proof
better than average battery pack (760 per charge)
2 card slots
87
focusing manually
change lenses (Sony E mount)
screen size is decent (3 inch)
built in image stabilization (Sensor based 5-axis)
megapixel count great (42MP)
great sensor size (Full frame)
no anti-alias filter
very good high ISO (32,000)
supports RAW formats
environment proof
better than average battery pack (650 CIPA)
has double storage slots
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Vlogging Comparison

Canon R3 Vlogging information
Sony A7R III Vlogging information
70
selfie friendly screen
has touchscreen
has image stabilization (Sensor based 5-axis)
features face detect autofocus
video res high (6000 x 3164 pxls)
comes with mic support
heavier than competition in class (1,015g)
37
touch screen
built in image stabilization (Sensor based 5-axis)
includes face detect focus
high quality video (3840 x 2160 pixels)
does have microphone port
screen is not selfie friendly
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Canon R3 vs Sony A7R III Specifications

Detailed spec comparison table for Canon R3 and Sony A7R III
 Canon EOS R3Sony Alpha A7R III
General Information
Company Canon Sony
Model type Canon EOS R3 Sony Alpha A7R III
Class Pro Mirrorless Pro Mirrorless
Launched 2021-09-14 2017-10-25
Body design 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 35.9 x 24mm
Sensor surface area 864.0mm² 861.6mm²
Sensor resolution 24MP 42MP
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
Min native ISO 100 100
RAW files
Min enhanced ISO 50 50
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 1053 425
Lens
Lens support Canon RF Sony E
Total lenses 27 121
Focal length multiplier 1 1
Screen
Range of screen Fully Articulated Tilting
Screen sizing 3.2 inches 3 inches
Screen resolution 4,150k dot 1,440k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 5,760k dot 3,686k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.76x 0.78x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/8000 seconds 1/8000 seconds
Max silent shutter speed 1/64000 seconds -
Continuous shutter speed 12.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash options no built-in flash Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync
Hot shoe
AEB
White balance bracketing
Max flash sync 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, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 6000x3164 3840x2160
Video data format MPEG-4, H.264, H.265 MPEG-4, AVCHD, XAVC S
Microphone jack
Headphone jack
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
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1015 gr (2.24 lbs) 657 gr (1.45 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 Overall rating 96 100
DXO Color Depth rating 25.0 26.0
DXO Dynamic range rating 14.7 14.7
DXO Low light rating 4086 3523
Other
Battery life 760 images 650 images
Form of battery Battery Pack Battery Pack
Battery ID LP-E19 NP-FZ100
Self timer Yes Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature
Storage media SD/ SDHC/ SDXC (UHS-II supported) + CFexpress Type B Two SD/SDHC/SDXC slots (UHS-II support on one)
Storage slots Dual Dual
Price at release $6,000 $2,800