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Canon EOS R5 C vs Canon EOS R6 Mark III

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

Better figure, where one is clearly better

CanonEOS R5 CCanonEOS R6 Mark III
Overview
ReleasedMarch 2022November 2025
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeCMOSCMOS
Sensor dimensions36 × 24 mm35.9 × 23.9 mm
Effective resolution45 MP32.5 MP
Largest image8192 × 54646960 × 4640
RAW recordingYesYes
Standard ISO range100–51200100–64000
Sensor detailApproximately 45 million effective and 47.1 million total pixels; 36 × 24 mm CMOS sensor; 8192×5464 full-resolution stills, distinct from video image areasFull-frame 35.9 × 23.9 mm CMOS; approximately 32.5 million effective and 34.2 million total pixels; fixed low-pass filter and integrated cleaning
Image formatsPhoto mode records JPEG, HEIF, RAW/C-RAW and Dual Pixel RAW in CR3 format; video mode offers Cinema RAW Light, XF-AVC and MP4JPEG, HEIF, RAW and C-RAW; native 6960 × 4640 still images; 12-bit RAW movie recording
ISO detailStandard photo ISO 100–51200, expandable to ISO 50–102400; video guide specifies manual/automatic ISO 100–102400, with mode-dependent restrictionsStandard still-photo ISO 100–64000, expandable to ISO 50–102400; normal movie ISO 100–25600, with profile-dependent Canon Log and HDR ranges
Image processorDIGIC XDIGIC X
Lens and shooting
Lens mountCanon RFCanon RF
StabilisationOptical lens stabilisationSensor shift
Maximum continuous burst20 fps40 fps
Lens detailNative RF and adapted EF/EF-S lenses, excluding EF-M; EF-S stills use approximately 1.6× crop; video also supports compatible adapted EF Cinema lenses and separate full-frame/Super35/Super16 sensor modesRF and RF-S lenses directly; EF/EF-S using EF-EOS R adapters; EF-M incompatible; RF-S/EF-S use approximately 1.6× crop
AutofocusPhoto-mode Dual Pixel CMOS AF with up to 1053 automatic zones or 5940 selectable positions; maker −6 EV stills claim with f/1.2 non-DS lens, centre point, One-Shot AF, ISO 100 at 23°C. Video guide lists continuous Dual Pixel AF, human face detection and tracking; photo/video subject-detection options differDual Pixel CMOS AF II; up to 6097 still or 4641 movie selectable AF positions; people, animal and vehicle recognition plus registered-person priority; available AF area depends on lens
ShutterPhoto mechanical/first-curtain electronic modes, 30–1/8000 second plus Bulb; electronic shutter 0.5–1/8000 second; video shutter speed, angle, clear scan and slow settingsMechanical and electronic first curtain 30–1/8000 second plus Bulb; electronic shutter 30–1/16000 second plus Bulb; available range varies with shooting mode
Burst detailUp to 20 fps electronic or 12 fps mechanical/first-curtain electronic, depending on lens and conditions; photo guide's 12 fps RAW buffer is 66 UHS-I/87 UHS-II/180 CFexpress frames under its test, not a 20 fps buffer claimUp to 40 fps electronic or 12 fps mechanical/electronic first curtain; electronic maker buffer approximately 330 JPEG or 150 RAW on CFexpress, 330 JPEG or 140 RAW on SD; mechanical buffer 1000+ RAW on CFexpress or 400 RAW on SD; pre-continuous capture up to 20 earlier frames; results depend on Canon test conditions, lens, battery, card and settings
Stabilisation detailNo in-body sensor-shift IS; compatible lens optical IS and cropped digital video stabilisation; Cameralabs documents standard/high digital modes and their additional cropsFive-axis sensor-shift IBIS with coordinated optical lens stabilisation; up to 8.5 stops centre and 7.5 stops periphery under CIPA 2024 yaw, pitch and roll testing with RF 24-105mm F2.8L IS USM Z at 105 mm; Movie Digital IS is separate
FlashNo built-in flash; multi-function accessory shoe and compatible external flash; photo sync 1/200 second mechanical or 1/250 second first-curtain electronicExternal EL/EX Speedlite support; full-frame mechanical sync 1/200 second or electronic-first-curtain sync 1/250 second; higher crop-mode rates are separate
Exposure controlsPhoto mode has 384-zone metering; separate Photo/Video power positions load different EOS and Cinema EOS interfaces; video offers waveform, vectorscope and false-colour monitoring–
Video
Highest video resolution8192 × 4320 at 59.94 fps6960 × 4640 at 29.97 fps
Video detailInternal full-frame Cinema RAW Light 12-bit 8192×4320 up to 59.94 fps; 8K60 requires compatible external power such as PD-E1 or DR-E6C, while 8K MP4 is up to 29.97 fps. RAW Super35 is 5952×3140, Super16 is 2976×1570; XF-AVC supports 4:2:2 10-bit up to 4K. Maker confirms oversampled 4K and up-to 120p slow/fast recording; separate WAV audio is available in high-frame-rate mode (Cameralabs). Active fan cooling, no built-in ND filter (Cameralabs)Highest-resolution 3:2 RAW open gate 6960 × 4640 up to 29.97/25 fps; open-gate MP4 6912 × 4608; 17:9 Light RAW 6960 × 3672 up to 59.94/50 fps; 4K DCI/UHD up to 119.9/100 fps and Full HD up to 179.8/150 fps; oversampled 4K Fine up to 59.94/50 fps, with different sampling at higher rates; Canon Log 2/3, PQ/HLG and 10-bit 4:2:2 options; no built-in cooling fan (Photography Blog); normal clip ceiling six hours below 100 fps or two hours at 100 fps and above, subject to heat, power and other limits
AudioBuilt-in monaural microphone; 3.5 mm stereo microphone input and headphone output; multi-function shoe supports compatible digital audio accessories; cinema RAW/XF-AVC can record 24-bit 48 kHz four-channel PCM–
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3.2″3″
Screen dots2,100,0001,600,000
TouchscreenYesYes
Tilting screenYesYes
Display detail3.2-inch capacitive touchscreen, approximately 2.1 million dots and 100% coverage; vari-angle articulation documented by Digital Camera World; separate top status LCD3-inch vari-angle touchscreen; UK maker rounds to approximately 1.6 million dots, Asian maker specifies 1.62 million dots
Viewfinder detail0.5-inch OLED EVF, approximately 5.76 million dots, 100% coverage and 0.76× magnification with 50 mm lens at infinity, −1 dioptre0.5-inch OLED, approximately 3.69 million dots, 100% coverage, 0.76× magnification and refresh up to 120 fps
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)320 photographs390 photographs
Body weight680 g609 g
Release detailCanon Camera Museum records March 2022 marketing; no exact first-sale day inferredMaker US announcement specifies November 2025 availability; Japanese maker confirms 21 November, while Photography Blog reports 20 November for its market; month retained across these regional launches
Recording mediaOne CFexpress Type B slot and one SD/SDHC/SDXC UHS-II slot; video secondary/proxy recording support depends on formatOne CFexpress Type B slot up to 8 TB with CFexpress 2.0/VPG400 support; one UHS-II SD/SDHC/SDXC slot
PortsUSB-C SuperSpeed USB 3.1 Gen 2, micro HDMI Type D, 3.5 mm microphone/headphone sockets, N3 remote-release socket and DIN 1.0/2.3 timecode input/outputUSB-C 3.2 Gen 2, full-size HDMI Type A, external microphone and headphone sockets, E3 remote terminal and multi-function shoe
Wireless connectionsWi-Fi 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth Low Energy 5.0 in photo guide; regional 5 GHz restrictions; photo-mode wireless functions should not be assumed identical in cinema modeWi-Fi 802.11ac at 2.4/5 GHz with Bluetooth 5.1; regional Wi-Fi restrictions may apply
Battery life detailLP-E6NH; photo guide gives approximately 320 EVF/490 LCD shots at 23°C in power-saving mode or 220 EVF/320 LCD in smooth mode; LP-E6N/LP-E6 compatibility has restrictions. Video guide gives approximately 45 minutes 8KRAW 29.97 or 50 minutes 25p under its specified LCD/RF 50mm/CFexpress testLP-E6P; maker CIPA claim at 23°C approximately 390 photographs with EVF or 620 with LCD; LP-E6NH/LP-E6N disable functions including pre-continuous capture and HDMI RAW, and restrict networking, accessories and movie settings; LP-E6 incompatible
ChargingCompatible PD-E1 supports in-camera USB charging and camera power; optional CA-946 with DR-E6C for AC power; compatible external power required for 8K60Compatible USB PD power adapters; optional DR-E6P DC coupler requires PD-E2, and cannot pair with PD-E1
DimensionsApproximately 142 × 101 × 111 mm (width × height × depth), excluding protrusionsApproximately 138.4 × 98.4 × 88.4 mm (width × height × depth)
Weight detailApproximately 680 g body only without body cap, or 770 g with LP-E6NH, CFexpress card and SD card; video guide includes tape-measure hook and grip belt; photographed RF 24-70mm F2.8L IS USM excludedApproximately 609 g body only; 699 g with card and battery
MaterialsMagnesium-alloy body and weather sealing described by Digital Camera World; no water-resistance rating inferredMagnesium-alloy body and chassis with glass-fibre polycarbonate components; dust- and water-resistant construction is not waterproof; supplied shoe cover or compatible sealed accessory needed for sealing

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