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Canon EOS R1 vs Canon EOS R3

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

CanonEOS R1CanonEOS R3
Overview
ReleasedNovember 2024November 2021
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeBack-illuminated stacked CMOSBack-illuminated stacked CMOS
Sensor dimensions36 × 24 mm36 × 24 mm
Effective resolution24.2 MP24.1 MP
Largest image6000 × 40006000 × 4000
RAW recordingYesYes
Standard ISO range100–102400100–102400
Sensor detailFull-frame back-illuminated stacked CMOS; approximately 24.2 million effective and 26.7 million total pixels; fixed optical low-pass filter and integrated cleaningApproximately 24.1 million effective and 26.7 million total pixels; full-frame back-illuminated stacked CMOS, approximately 36 × 24 mm in the maker's technical guide
Image formatsRAW, C-RAW, JPEG and HEIF; in-camera neural-network upscaling creates approximately 96 MP JPEG/HEIF output, not additional native sensor resolutionJPEG, HEIF, RAW and C-RAW; CR3 still RAW and CRM movie RAW files
ISO detailNormal still-photo ISO 100–102400, expandable to 50–409600; movie ranges depend on colour profileStandard still-photo ISO 100–102400, expandable to ISO 50 or 204800; normal movie ISO 100–25600, or ISO 800–25600 with Canon Log 3
Image processorDIGIC X and DIGIC AcceleratorDIGIC X
Lens and shooting
Lens mountCanon RFCanon RF
StabilisationSensor shiftLens and sensor shift
Maximum continuous burst40 fps30 fps
Lens detailRF and RF-S directly; EF/EF-S with EF-EOS R adapters; EF-M incompatible; approximately 1.6× crop with RF-S/EF-S lensesCanon RF lenses; EF/EF-S lenses via EF-EOS R adapter, excluding EF-M; EF-S lenses use approximately 1.6× crop
AutofocusDual Pixel Intelligent AF with cross-type detection and eye-control selection; people, animal and vehicle detection, registered-person priority and sport-specific Action Priority; cross-type AF unavailable for movies and mechanical/first-curtain Servo AF high-speed-plus bursts; lens and mode restrictions applyDual Pixel CMOS AF II with people, dogs, cats, birds and motorsport vehicle recognition; up to 4779 manually selected still-photo positions; −7.5 EV still-photo claim with f/1.2 non-DS lens, centre point, One-Shot AF, ISO 100 and room temperature. Eye-control selection is for stills only, requires calibration and may be affected by eyewear, individual eyes and shooting conditions
ShutterMechanical/electronic first curtain 30–1/8000 second; electronic 30–1/64000 second; Bulb supported; available range varies by modeMechanical and electronic first curtain up to 1/8000 second; electronic up to 1/64000 second in Tv/M with restrictions; Bulb supported
Burst detailUp to 40 fps electronic or 12 fps mechanical/first curtain; current UK maker buffer approximately 500 JPEG or 230 RAW electronic and 1000+ JPEG/RAW mechanical; pre-continuous capture up to 20 preceding frames; Servo AF maximum rates require compatible lenses and suitable settingsNormal full-resolution continuous shooting up to 30 fps electronic with AF/AE tracking or 12 fps mechanical/electronic first curtain, depending on lens, battery and settings. Separate custom high-speed mode in firmware 1.2.0 or later reaches 195 fps for up to 50 frames; maker drive-mode manual fixes shutter speed, aperture and ISO from the first shot, and Amateur Photographer reports fixed AF/AE in this brief burst
Stabilisation detailFive-axis sensor-shift IBIS with coordinated lens IS; up to 8.5 stops centre and 7.5 periphery under CIPA 2024 yaw/pitch/roll testing with RF 24-105mm F2.8L IS USM Z at 105 mm; separate Movie Digital ISFive-axis in-body image stabilisation coordinated with compatible lens optical IS; Canon UK claims up to eight stops with specific RF lenses, not every lens
FlashExternal Speedlite support; current UK full-frame sync 1/200 second mechanical, 1/320 first curtain and 1/400 electronic with sync-speed-priority restrictions; Asian table lists earlier 1/250 first-curtain and 1/320 electronic figuresMulti-function accessory shoe; mechanical flash sync 1/200 second, electronic first curtain 1/250 second and electronic shutter 1/180 second
Video
Highest video resolution6000 × 3164 at 59.94 fps6000 × 3164 at 59.94 fps
Video detailInternal 6K RAW/Light RAW 6000 × 3164 up to 59.94/50 fps; DCI 4K up to 59.94 fps, UHD 4K up to 119.88/100 fps and DCI 2K/Full HD up to 239.76/200 fps; Canon Log 2/3, proxy recording and simultaneous Full HD/still shooting; UHD/HD horizontal coverage 94% versus 100% for RAW/DCI, with separate cropped modesInternal 6K RAW 6000×3164 up to 59.94/50 fps on CFexpress; oversampled uncropped DCI/UHD 4K up to 59.94/50 fps; 4K high-frame-rate 119.88/100 fps; Canon Log 3 and HDR PQ. RAW, 4K high-frame-rate and 4K60 ALL-I are not recordable to SD cards
AudioInternal stereo microphone, external microphone input and headphone output; compatible four-channel recording optionsBuilt-in monaural microphone; 3.5 mm stereo microphone and headphone sockets, plus compatible multi-function-shoe audio accessories
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3.2″3.2″
Screen dots2,100,0004,150,000
TouchscreenYesYes
Tilting screenYesYes
Display detailFully articulating capacitive 3.2-inch touchscreen, approximately 100% coverage; top status panelFully articulated 3.2-inch capacitive touchscreen; technical guide specifies approximately 4.15 million dots, while the UK store rounds this to 4.2 million; approximately 100% coverage
Viewfinder detail0.64-inch OLED with approximately 9.44 million dots, 100% coverage and selectable 0.9×/0.8×/0.7× magnification; refresh up to approximately 120 fps0.5-inch OLED EVF, approximately 5.76 million dots, 100% coverage and 0.76× magnification with 50 mm lens at infinity
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)700 photographs620 photographs
Body weight920 g822 g
Release detailCanon Camera Museum confirms marketed November 2024; no market-wide retail day inferred from regional launch datesCanon Camera Museum records marketing in November 2021; no exact first-sale day is inferred
Recording mediaDual CFexpress Type B slots, CFexpress 2.0/VPG400; current UK page specifies maximum 8 TB while Asian table states 2 TB; no SD slotOne CFexpress Type B slot and one SD/SDHC/SDXC UHS-II slot; recording to both is limited by the slower card
PortsUSB-C 3.2 Gen 2, full-size HDMI Type A, RJ45 2.5GBASE-T Ethernet, microphone/headphone sockets, N3 remote and PC sync; multi-function shoeUSB-C 3.2 Gen 2, micro HDMI Type D, RJ45 Ethernet, 3.5 mm microphone/headphone sockets and N3 remote-control terminal
Wireless connectionsUK Wi-Fi 802.11ax 2×2 MIMO at 2.4/5/6 GHz with regional restrictions and Bluetooth 5.3; integrated GPS/GLONASS/MICHIBIKI supportWi-Fi 802.11a/b/g/n/ac at 2.4/5 GHz with regional frequency restrictions; Bluetooth Low Energy 5.0; built-in GPS, GLONASS and MICHIBIKI positioning
Battery life detailLP-E19; maker claim at 23°C approximately 700 photographs using EVF or 1330 using LCDLP-E19; CIPA power-saving approximately 620 EVF or 860 screen shots at 23°C using an SD card; smooth-display approximately 440/760 shots under the same maker conditions
ChargingSupplied LC-E19E charger; optional AC-E19N with DR-E19 DC coupler or PD-E1/PD-E2 USB power adaptersIn-camera charging with optional USB Power Adapter PD-E1; this adapter does not power the camera while operating; AC-E19 and DR-E19 provide optional AC power
DimensionsApproximately 157.6 × 149.5 × 87.3 mm (width × height × depth)Approximately 150 × 142.6 × 87.2 mm (width × height × depth)
Weight detailApproximately 920 g body only; 1115 g including battery and cardApproximately 822 g body only, excluding body cap, eyecup and multi-function-shoe cover; approximately 1015 g including battery and CFexpress card; photographed kit lens excluded
MaterialsMagnesium alloy and glass-fibre polycarbonate; integrated vertical grip with duplicated controls; dust- and drip-resistant construction is not waterproofMagnesium-alloy body with dust- and moisture-resistant construction; resistance is not an underwater rating
In the box–UK body package includes LP-E19 battery, LC-E19 charger and AC cable, R-F-5 body cap, ER-h small eyecup, IFC-100U interface cable/protector, ER-L1 strap and accessory-shoe cover

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