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Canon EOS 5D Mark IV 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 5D Mark IVCanonEOS R6 Mark III
Overview
ReleasedSeptember 2016November 2025
Image and sensor
Camera typeDSLRMirrorless
Sensor formatFull frameFull frame
Sensor typeCMOSCMOS
Sensor dimensions36 × 24 mm35.9 × 23.9 mm
Effective resolution30.4 MP32.5 MP
Largest image6720 × 44806960 × 4640
RAW recordingYesYes
Standard ISO range100–32000100–64000
Sensor detailApproximately 30.4 million effective and 31.7 million total pixels; 36 × 24 mm CMOS with fixed low-pass filter and integrated sensor cleaningFull-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 formats14-bit RAW, M-RAW, S-RAW and Dual Pixel RAW; JPEG and simultaneous RAW plus JPEG, including different formats to separate cardsJPEG, HEIF, RAW and C-RAW; native 6960 × 4640 still images; 12-bit RAW movie recording
ISO detailStandard still-photo ISO 100–32000, expandable to ISO 50, 51200 or 102400; movie sensitivity depends on resolution and exposure modeStandard 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 6+ image processorDIGIC X
Lens and shooting
Lens mountCanon EFCanon RF
Stabilisation–Sensor shift
Maximum continuous burst7 fps40 fps
Lens detailCanon EF mount; EF-S and EF-M lenses incompatible; photographed with EF 24-105mm F4L IS II USM, whose specifications and weight are separate from the bodyRF 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
AutofocusDedicated 61-point phase-detection system with up to 41 cross-type points, including five dual-cross at f/2.8; up to 61 points and 21 cross-type at f/8 depending on lens; Dual Pixel CMOS AF for live view and moviesDual 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
ShutterElectronically controlled focal-plane shutter, 30–1/8000 second plus BulbMechanical 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 detailApproximately 7 fps with AF/AE tracking, or 4.3 fps live view with AF tracking; maker claims unlimited JPEG or 21 RAW under specified UDMA7 CompactFlash test conditions; exposure, card, scene and settings can reduce speed and bufferUp 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 detail–Five-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
FlashExternal EX Speedlite E-TTL II support, hotshoe and PC terminal; sync 1/200 secondExternal 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 controlsScene Intelligent Auto, P, Tv, Av, M, Bulb and three custom modes; 150000-pixel RGB+IR metering sensor and 252-zone evaluative metering; up to ±5 EV still-photo compensation–
Video
Highest video resolution4096 × 2160 at 29.97 fps6960 × 4640 at 29.97 fps
Video detailDCI 4096 × 2160 up to 29.97 fps using internal Motion JPEG, 8-bit 4:2:2 at approximately 500 Mbps; cropped 4K sensor area; Full HD up to 59.94 fps and HD 1280 × 720 up to 119.9 fps slow motion; normal clips up to 29 minutes 59 seconds; HDMI outputs Full HD rather than 4KHighest-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; external stereo microphone/line input and headphone sockets–
Screen and viewfinder
ViewfinderOpticalElectronic
Screen size3.2″3″
Screen dots1,620,0001,600,000
TouchscreenYesYes
Tilting screenNoYes
Display detailFixed 3.2-inch Clear View LCD II capacitive touchscreen with approximately 1.62 million dots and reinforced glass; separate illuminated top status LCD3-inch vari-angle touchscreen; UK maker rounds to approximately 1.6 million dots, Asian maker specifies 1.62 million dots
Viewfinder detailOptical pentaprism with approximately 100% horizontal/vertical coverage and 0.71× magnification with a 50 mm lens at infinity0.5-inch OLED, approximately 3.69 million dots, 100% coverage, 0.76× magnification and refresh up to 120 fps
Connections and design
Wi-FiYesYes
Bluetooth–Yes
Battery life (maker's claim)900 photographs390 photographs
Body weight800 g609 g
Release detailCanon Camera Museum records first marketing in September 2016; 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 CompactFlash Type I slot supporting UDMA7 and one SD/SDHC/SDXC slot supporting UHS-I; no CompactFlash Type II or Microdrive supportOne CFexpress Type B slot up to 8 TB with CFexpress 2.0/VPG400 support; one UHS-II SD/SDHC/SDXC slot
PortsSuperSpeed USB3.0; mini HDMI Type C, external microphone/line input, headphone socket, N3 remote terminal, hotshoe and PC flash syncUSB-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 802.11b/g/n at 2.4 GHz with Dynamic NFC; built-in GPS, GLONASS and QZSS geotagging; UK maker states FTP/FTPS removed from units shipped from August 2025 and removable by optional firmware for earlier unitsWi-Fi 802.11ac at 2.4/5 GHz with Bluetooth 5.1; regional Wi-Fi restrictions may apply
Battery life detailLP-E6N supplied, LP-E6 supported; maker CIPA viewfinder claim approximately 900 photographs at 23°C or 850 at 0°C; Camera Museum live-view claim approximately 300 at 23°CLP-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
ChargingSupplied LC-E6E external battery charger; optional AC adapter and DC couplerCompatible USB PD power adapters; optional DR-E6P DC coupler requires PD-E2, and cannot pair with PD-E1
DimensionsApproximately 150.7 × 116.4 × 75.9 mm (width × height × depth)Approximately 138.4 × 98.4 × 88.4 mm (width × height × depth)
Weight detailApproximately 800 g body only or 890 g with battery, CompactFlash and SD cards; photographed kit lens is not includedApproximately 609 g body only; 699 g with card and battery
MaterialsMaker specifies dust- and water-resistant constructionMagnesium-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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