Canon EOS-1D X Mark III vs Canon EOS-1D Mark IV

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      Specifications

      General Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      BrandCanonCanon
      ModelEOS-1D X Mark IIIEOS-1D Mark IV
      Predecessor ModelCanon EOS-1D X Mark II Canon EOS-1D Mark III
      MSRP$6499
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeDSLRDSLR
      Video Capture
      Sensor Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Sensor TypeCMOSCMOS
      Sensor SizeFull FrameAPS-H
      Sensor Dimensions36 x 24 mm27.9 x 18.6 mm
      Total Pixels21.4 Megapixel17 Megapixel
      Effective Pixels20.1 Megapixel16.1 Megapixel
      Low Pass Filter
      Native ISO Range100 - 102,400100 - 12,800
      Boosted ISO Range50 - 819,20050 - 102,400
      Photo Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      ProcessorDIGIC XDIGIC 4
      Max Image Resolution5472 x 36484896 x 3264
      Other Resolutions4368 x 2912, 3648 x 2432, 2736 x 18244320 x 2880, 3672 x 2448, 3552 x 2368, 2448 x 1632
      Image Aspect Ratios3:23:2
      Image File FormatHEIF, JPEG, RAW
      JPEG Quality LevelsFine, Normal (can have ratios programmed)
      Bit Depth14-Bit14-bit
      Color SpacesRGB, Adobe RGBsRGB, Adobe RGB
      Timelapse Recording
      White BalancePresets: Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (White), Shade, TungstenAuto, Day Light, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom, Kelvin
      WB Bracketing3 frames in either blue/amber or magenta/green axis
      Focus Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Focusing SystemDual Pixel CMOS AFDual Pixel CMOS AF
      Autofocus ModesMulti-area
      Center
      Selective single-point
      Tracking
      Single
      Continuous
      Touch
      Face Detection
      Live View      		Multi-area
      Selective single-point
      Single
      Continuous
      Face Detection
      Live View
      Lens ServoContinuous-Servo AF, Manual Focus, Single-Servo AFSingle-Servo AF, Continuous-Servo AF, Manual Focus
      AF Detection Range-4 to +21 EV
      Number of Focus Points19145
      Number of Cross-type Focus Points155
      Touch-to-Focus
      Live View Autofocus
      Animal Eye Detection
      Vehicle Tracking Mode
      Insect Tracking Mode
      Contrast Detection for Autofocus
      Phase Detection for Autofocus
      Optics Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Lens MountCanon EFCanon EF
      Crop Factor1x1.3x
      Image Stabilization
      Digital Image Stabilization
      Screen Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Screen TypeFixedFixed
      Screen TechnologyTFT LCD
      Touch Screen
      Screen Size3.2"3.0"
      Screen Resolution2,100k dot920k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      ViewfinderOptical (pentaprism)Optical (pentaprism)
      Viewfinder Coverage100%100%
      Viewfinder Magnification0.76x0.76x
      Viewfinder Magnification (35mm equivalent)0.76x0.58x
      Viewfinder Eyepoint20 mm
      Diopter Adjustment-3 to +1-3 to +1
      Depth-of-field previewEnabled with depth-of-field preview button
      Shutter Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Shutter TypeElectronic, Mechanical Focal PlaneElectronically Controlled Vertical-travel Mechanical Focal-plane
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/8000 sec
      Max Continuous Shooting20.0 fps10.0 fps
      Continuous Shooting Resolution/fps/bufferUp to 20 fps at 20.1 MP for up to 1000 Frames (Raw)
      Up to 16 fps at 20.1 MP for up to 1000 Frames (Raw)
      Flash Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Built-in Flash
      Flash ModesE-TTL II Auto Flash
      Metered Manual      		External
      Max Flash Sync Speed1/250 sec1/300 sec
      Flash Compensation-3 to +3 EV (1/3 EV Steps)
      External Flash Connectivity
      External Flash SystemE-TTL II with EX series Speedlites, wireless multi-flash supportE-TTL with Canon Speedlite EX-series
      External Flash ConnectionHot Shoe, PC TerminalHot Shoe, PC Terminal
      Exposure Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Exposure Metering ModesMulti
      Center-weighted
      Spot
      Spot AF-area
      Partial      		Multi
      Center-weighted
      Spot
      Exposure ModesAperture Priority, Manual, Program, Shutter PriorityManual, Shutter Priority, Aperture Priority, Program
      Metering Range0 to +20 EV+1 to +18 EV
      Exposure Compensation±5 EV (1/3 EV, 1/2 EV increments)±3 EV (1/3 EV, 1/2 EV increments)
      Exposure Bracketing ±3 EV (3 shots at 1/3 EV, 1/2 EV increments)
      Exposure LockAuto: Applied in One-Shot AF mode with Evaluative metering when focus is achievedual: By AE lock button
      Manual (user-set): By AE lock button in all metering modes
      DXO Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      DxO Low Light ISO32481320
      DxO Color Depth24.222.8
      DxO Dynamic Range14.512.0
      DxO Overall Score9174
      Video Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Movie File FormatCRM, MP4
      Audio File FormatLPCM, AAC
      Internal Recording ModesRaw 12-Bit
      5.5K: 5472 x 2886 @ 23.98/24/25/29.97/50/59.94 fps [1800 to 2600 Mbps]

      H.265/MP4 4:2:2 10-Bit
      DCI 4K: 4096 x 2160 @ 23.98/24/25/29.97/50/59.94 fps [170 to 1000 Mbps]
      4K UHD: 3840 x 2160 @ 25/29.97/50/59.94 fps [170 to 1000 Mbps]
      Full HD: 1920 x 1080p @ 25/29.97/50/59.94/100/119.88 fps [18 to 470 Mbps]
      H.264/MP4 4:2:0 8-Bit
      DCI 4K: 4096 x 2160 @ 23.98/24/25/29.97/50/59.94 fps [120 to 940 Mbps]
      4K UHD: 3840 x 2160 @ 23.98/25/29.97/50/59.94 fps [120 to 940 Mbps]
      Full HD: 1920 x 1080p @ 25/29.97/50/59.94/100/119.88 fps [12 to 360 Mbps]      		Yes
      Interval Recording
      Video FormatsMPEG-4, H.264, H.265H.264
      Max Video Resolution5472 x 28861920 x 1080
      External Recording Modes4:2:2 10-Bit
      DCI 4K: 4096 x 2160 up to 59.94 fps
      No crop on 4K Videos
      Webcam Functionality
      Unlimited Video Recording
      Recording Limit30 min - 59.94 fps or less
      7 min, 30 sec - 119.9/100 fps      		30 min
      Terminals Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Audio I/O1 x 1/8" / 3.5 mm TRS Stereo Headphone Output
      1 x 1/8" / 3.5 mm TRS Stereo Microphone Input
      Other I/O1 x USB-C (USB 3.2 / 3.1 Gen 1) Data Output
      1 x Canon N3 Control Input
      1 x PC Sync Socket Input
      1 x RJ45 Output
      USB SpeedUSB 3.2 Gen 2x1 (10 GBit/sec)USB 2.0 (480 Mbit/sec)
      HDMI Output Mini
      SpeakerMono
      Built-in MicrophoneMonoStereo
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Built-in GPS
      Built-In Wi-Fi Eye-Fi Connection possible
      Built-In Bluetooth
      Mobile App Compatible *As of February, 2023: Check with manufacturer for the most up-to-date compatibility
      Remote Control Wired, wireless, smartphone N3 connector
      Environmental Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Environmental Sealing
      Operating Temperature32-113°F/0-45°C
      Physical Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Dimensions158 x 168 x 83 mm (6.22 x 6.61 x 3.27")156 x 157 x 80 mm (6.14 x 6.18 x 3.15")
      Weight (inc. batteries)1440 g (3.17 lb / 50.79 oz)1230 g (2.71 lb / 43.39 oz)
      Box Dimensions (LxWxH)9.4 x 7.9 x 7.6"10.7 x 9.4 x 6.1"
      Package Weight5.84 lb7.05 lb
      Power and Storage Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Battery PackNB-19LP-E4
      Battery Life2850 shots1500 shots
      Internal Storage
      External StorageDual Slot: CFexpress Type B (CFexpress 1.0)Slot 1: SD/SDHC
      Slot 2: CompactFlash (Type I/II, UDMA 7)
      Other Canon EOS-1D X Mark III Canon EOS-1D Mark IV
      Self Timer 2 or 10 sec
      Orientation Sensor
      Accessory Mount1 x Hot Shoe Mount
      Material of ConstructionMagnesium AlloyMagnesium Alloy
      Illuminated Buttons
      Electronic Level Gauge


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