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Canon EOS R3 vs Canon EOS R5 Mark II

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

Better figure, where one is clearly better

CanonEOS R3CanonEOS R5 Mark II
Overview
ReleasedNovember 2021August 2024
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeBack-illuminated stacked CMOSBack-illuminated stacked CMOS
Sensor dimensions36 × 24 mm36 × 24 mm
Effective resolution24.1 MP45 MP
Largest image6000 × 40008192 × 5464
RAW recordingYesYes
Standard ISO range100–102400100–51200
Sensor detailApproximately 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 guideFull-frame back-illuminated stacked CMOS; 45 million effective and approximately 50.3 million total pixels; fixed low-pass filter and integrated cleaning
Image formatsJPEG, HEIF, RAW and C-RAW; CR3 still RAW and CRM movie RAW files14-bit RAW/C-RAW, JPEG and 10-bit HEIF; neural-network upscaling to 179 MP is processed output, not native sensor resolution; Dual Pixel RAW requires firmware 1.3.0 or later
ISO detailStandard still-photo ISO 100–102400, expandable to ISO 50 or 204800; normal movie ISO 100–25600, or ISO 800–25600 with Canon Log 3Normal still-photo ISO 100–51200, expandable to 50–102400; movie range depends on colour profile
Image processorDIGIC XDIGIC X and DIGIC Accelerator
Lens and shooting
Lens mountCanon RFCanon RF
StabilisationLens and sensor shiftSensor shift
Maximum continuous burst30 fps30 fps
Lens detailCanon RF lenses; EF/EF-S lenses via EF-EOS R adapter, excluding EF-M; EF-S lenses use approximately 1.6× cropRF and RF-S directly; EF/EF-S with EF-EOS R adapters; EF-M incompatible; RF-S/EF-S use approximately 1.6× crop
AutofocusDual 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 conditionsDual Pixel Intelligent AF; 1053 automatic areas, 5850 still-photo or 4500 movie selectable positions; eye-control selection, people/animal/vehicle recognition and registered-person priority; Action Priority has sport and firmware restrictions
ShutterMechanical and electronic first curtain up to 1/8000 second; electronic up to 1/64000 second in Tv/M with restrictions; Bulb supportedMechanical/electronic first curtain 30–1/8000 second; electronic 30–1/32000 second; Bulb available; range depends on mode
Burst detailNormal 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 burstUp to 30 fps electronic or 12 fps mechanical/first curtain; electronic buffer approximately 200 JPEG or 93/86 RAW with CFexpress/SD respectively; pre-continuous shooting saves up to 15 preceding frames; lens, power, card and settings affect rates
Stabilisation detailFive-axis in-body image stabilisation coordinated with compatible lens optical IS; Canon UK claims up to eight stops with specific RF lenses, not every lensFive-axis sensor-shift IBIS coordinated with compatible lenses; 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; Movie Digital IS is separate
FlashMulti-function accessory shoe; mechanical flash sync 1/200 second, electronic first curtain 1/250 second and electronic shutter 1/180 secondExternal Speedlite support; full-frame sync 1/200 second mechanical, 1/250 first curtain or 1/160 electronic; crop-mode sync rates differ
Video
Highest video resolution6000 × 3164 at 59.94 fps8192 × 4320 at 59.94 fps
Video detailInternal 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 cards17:9 Light RAW 8192 × 4320 up to 59.94/50 fps; standard RAW and compressed 8K up to 29.97 fps; DCI/UHD 4K up to 119.9/100 fps and Full HD up to 239.8/200 fps; Canon Log 2/3, proxy recording and 10-bit 4:2:2 options; optional CF-R20EP cooling grip required for maker's extended recording claim, not an included fan
AudioBuilt-in monaural microphone; 3.5 mm stereo microphone and headphone sockets, plus compatible multi-function-shoe audio accessoriesInternal stereo microphone; microphone input and headphone output; four-channel 24-bit recording with compatible settings/accessories
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3.2″3.2″
Screen dots4,150,0002,100,000
TouchscreenYesYes
Tilting screenYesYes
Display detailFully 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% coverageFully articulating 3.2-inch capacitive touchscreen with anti-smudge coating; top status panel
Viewfinder detail0.5-inch OLED EVF, approximately 5.76 million dots, 100% coverage and 0.76× magnification with 50 mm lens at infinity0.5-inch OLED, approximately 5.76 million dots, 100% coverage and 0.76× magnification; refresh up to approximately 120 fps
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)620 photographs340 photographs
Body weight822 g656 g
Release detailCanon Camera Museum records marketing in November 2021; no exact first-sale day is inferredCanon Camera Museum confirms marketed August 2024; maker announcement promised August availability; no retail day inferred
Recording mediaOne CFexpress Type B slot and one SD/SDHC/SDXC UHS-II slot; recording to both is limited by the slower cardOne CFexpress Type B slot supporting CFexpress 2.0/VPG400 and capacity up to 2 TB; one UHS-II SD/SDHC/SDXC slot
PortsUSB-C 3.2 Gen 2, micro HDMI Type D, RJ45 Ethernet, 3.5 mm microphone/headphone sockets and N3 remote-control terminalUSB-C 3.2 Gen 2, full-size HDMI Type A, microphone/headphone sockets, N3 remote and PC sync; multi-function shoe; Ethernet requires optional BG-R20EP or CF-R20EP
Wireless connectionsWi-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 positioningUK maker specifies Wi-Fi 802.11ax 2×2 MIMO at 2.4/5/6 GHz with regional restrictions and Bluetooth 5.3; Asian page excludes 6 GHz, so regional capability differs
Battery life detailLP-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 conditionsLP-E6P; maker claim at 23°C approximately 340 photographs with EVF or 630 with LCD; older LP-E6NH/LP-E6N restrict functions
ChargingIn-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 powerUSB PD-E1/PD-E2; DR-E6P DC coupler requires PD-E2
DimensionsApproximately 150 × 142.6 × 87.2 mm (width × height × depth)Approximately 138.5 × 101.2 × 93.5 mm (width × height × depth)
Weight detailApproximately 822 g body only, excluding body cap, eyecup and multi-function-shoe cover; approximately 1015 g including battery and CFexpress card; photographed kit lens excludedApproximately 656 g body only; 746 g including battery and card
MaterialsMagnesium-alloy body with dust- and moisture-resistant construction; resistance is not an underwater ratingMagnesium-alloy body/chassis with glass-fibre polycarbonate components; dust- and water-resistant construction is not waterproof
In the boxUK 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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