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Home → Comparison

Canon EOS R vs Sony a7 IV: Specifications Comparison

By Jason Polak No Comments
Last Updated On May 21, 2023

Canon EOS R vs Sony a7 IV Specifications

Camera FeatureCanon EOS RSony a7 IV
AnnouncedSeptember 2018October 2021
Camera TypeMirrorlessMirrorless
Sensor TypeCMOSBSI CMOS
Image ProcessorDIGIC 8BIONZ X
Resolution30.3 MP32.7 MP
Pixel Dimensions6720×44807008×4672
Sensor Dimensions36.0 x 24.0 mm (Full Frame)35.9 x 23.9 mm (Full Frame)
Sensor Pixel Size5.36µ5.12µ
Low Pass FilterYesNo
IBIS (In-Body Image Stabilization)NoYes
Base ISOISO 100ISO 100
Max Native ISOISO 40,000ISO 51,200
Extended ISOsISO 50-102,400ISO 50-204,800
High-Resolution Sensor ShiftNoNo
Focus Stack BracketingNoNo
Pre-Shoot Burst ModeNoNo
Fastest Shutter Speed1/80001/8000
Longest Shutter Speed30 seconds30 seconds
Continuous Shooting (Mechanical Shutter)8 FPS10 FPS
Continuous Shooting (Electronic Shutter)8 FPS10 FPS
Notes for High FPS ShootingNo autofocus at 8 FPS (autofocus at 5 FPS)Compressed raw at 10 FPS (uncompressed and lossless compressed raw at 6 FPS)
Buffer Size (Raw)47 frames (8 FPS)Unlimited
Autofocus SystemHybrid PDAFHybrid PDAF
Autofocus Points143759
Maximum Low-Light AF Sensitivity (Standardized to f/2, ISO 100)-4.5 EV-4 EV
Standard Flash Sync Speed1/2001/250
Curtain to Protect Sensor at ShutdownYesYes
Video Features
Maximum Video Bit Depth (Internal)8 bits10 bits
Maximum Video Bit Depth (External)10 bits10 bits
Raw VideoNoNo
4K Maximum Framerate30 FPS60 FPS
1080P Maximum Framerate60 FPS120 FPS
Additional Video Crop Factor1.74x crop at 4K1.5x crop at 4K 60p (4K 30p has no additional crop)
Chroma Subsampling4:2:0, 4:2:2 (External)4:2:2
Video Recording Limit30 minNo limit
Physical and Other Features
Card Slots12
Slot 1 TypeSD (UHS-II)CFExpress Type A, or SD (UHS-II)
Slot 2 TypeN/ASD (UHS-II)
Rear LCD Size (Diagonal)3.2 in3.0 in
Rear LCD Resolution2.1 million dots1.04 million dots
Articulating LCDYesFully Articulating
TouchscreenYesYes
ViewfinderEVFEVF
Viewfinder Magnification0.76x0.78x
Viewfinder Resolution3.69 million dots3.69 million dots
Viewfinder Coverage100%100%
Voice MemoNoNo
Headphone JackYesYes
Microphone JackYesYes
Built-in FlashNoNo
GPSNoNo
BluetoothYesYes
WiFiYesYes
USB TypeType C 3.1Type C 3.2 Gen 2
Battery TypeLP-E6NNP-FZ100
Battery Life (Viewfinder)350 frames520 frames
Battery Life (Rear LCD)370 frames580 frames
Battery Life (Eco Mode)560 framesN/A
Weather SealedYesYes
Weight (Body Only w/ Battery + Card)660 g (1.46 lbs.)658 g (1.45 lbs.)
Dimensions (LxHxD)136 x 98 x 84 mm (5.3 x 3.9 x 3.3″)131 x 96 x 80 mm (5.2 x 3.8 x 3.1″)
Price Comparison
MSRP, Body Only$1800 (Check Current Price)$2500 (Check Current Price)
Used PricesCanon EOS R Used PricesSony a7 IV Used Prices

What does the Canon EOS R offer over the Sony a7 IV?

  • Higher resolution rear display, with about 2.0x more dots, making image review in the field easier
  • Lower price, costing $700 less

What does the Sony a7 IV offer over the Canon EOS R?

  • 1.08 times more megapixels (30.3MP vs 32.7MP)
  • In-body image stabilization, allowing for easier handheld photography even with non-stabilized lenses
  • Two card slots, which is better for redundancy and backup
  • Better battery life when using the viewfinder, with approximately 170 more shots according to CIPA measurements
  • Slightly better high-FPS, and substantially bigger buffer

Questions? Go to our forum, where you can start a conversation and talk to photographers about these two cameras!

Disclosures, Terms and Conditions and Support Options

About Jason Polak

Jason Polak is a bird and wildlife photographer from Ottawa, Canada. He has been interested in photography ever since he received a disposable film camera as a small child. His career as a mathematician led him to move to Australia in 2016, where he started seeing colorful parrots. A few casual shots with a lens completely unsuitable for birds got him hooked, and now wildlife photography is his biggest passion. Jason loves to show the beauty of animals to the world through photography, and one of his lifelong goals is to photograph five thousand species of birds. You can see more of Jason's work on his website or on his YouTube channel.

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