In depth comparison and review of Pentax K-1 and Canon EOS 1D X Mark III. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.
| DESIGN AND DIMENSIONS | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 5.5K - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 11 cm | 16.76 cm |
| Width | 13.65 cm | 15.8 cm |
| Depth | 8.55 cm | 8.26 cm |
| Weight | 925 g | 1.25 kg |
| Weight Details | - | Camera body only: 1.25 kg Camera with battery and memory card: 1.44 kg |
| Body Material | - | Magnesium alloy |
| Protection | Weatherproof, freezeproof, dust-resistant | Weatherproof, dust-resistant |
| Navigation | GPS receiver | GPS receiver |
| SENSOR | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Sensor Resolution | 36.4 Megapixel | 20.1 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 36,770,000 pixels | 21,400,000 pixels |
| Effective Sensor Resolution | 36,400,000 pixels | 20,100,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24.0 mm) | Full Frame (36 x 24 mm) |
| Frame Rate (Max Resolution) | 30 fps | 60 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | - | Self Cleaning Sensor Unit, High Detail Low Pass Filter |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | - |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Magnetometer, digital level metre | - |
| PROCESSOR | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Image Processor | PRIME IV | DIGIC X |
|---|
| LENS | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Lens Mounting Type | Pentax KAF2 | Canon EF |
|---|
| FOCUSING | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Auto Focus | TTL contrast and phase detection | Dual Pixel CMOS AF |
|---|---|---|
| Auto Focus Points (Zones) Qty | 33 | 191 |
| Auto Focus Features | - | Deep Learning technology |
| AE/AF Control | - | Face-priority AF, Eye detection AF, Zone AF, AI Servo AF, Head Detection AF, Large Zone AF |
| VIEWFINDER | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Optical - fixed eye-level pentaprism |
|---|---|---|
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.70x | 0.76x |
| Optical Viewfinder Dioptric Correction Range | -3 to +1.2 | -3 to +1 |
| Field of View Crop Factor | - | 1.0 |
| EXPOSURE & WHITE BALANCE | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| ISO (Max) | 204800 | 819200 |
|---|---|---|
| Native ISO | 100-204800 | 100-102400 |
| Extended ISO (Max) | - | 204800 (H1), 409600 (H2), 819200 (H3) |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO auto, ISO 100-204800 | ISO 50, ISO auto, ISO 100-102400, ISO 819200 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, centre-weighted, spot (1.5%), partial (6.2%) |
| Exposure Metering Zones | - | 216 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Programme, bulb, manual, aperture-priority, shutter-priority, E-TTL II program flash |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white), ASTRO TRACER | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white) |
| Shutter Type | Mechanical electronically-controlled | Mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | - | 3 steps in 1/2 or 1/3 EV steps |
| X-sync Speed | 1/200sec | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | EV 0-20 (ISO 100) |
| DISPLAY | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Type | 3.2" LCD display | 3.2" LCD display |
|---|---|---|
| Display Format | 1,037,000 pixels | 2,100,000 pixels |
| Display Form Factor | Folding | Built-in |
| Display Features | Colour control, display brightness control, display saturation control | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Digital Video Format | AVI, MJPEG, H.264 | H.264, RAW, H.265 |
|---|---|---|
| Image Recording Format | JPEG, RAW + JPEG, DNG (RAW), PEF (RAW) | JPEG, RAW, RAW + JPEG, C-RAW, HEIF |
| Max Video Resolution | 1920 x 1080 | 5472 x 2886 |
| Microphone Operation Mode | Stereo | Mono |
| MEMORY | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Memory Card Slot | Dual SD card | Dual CFexpress |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card | CFexpress |
| Memory Card | - | 64 GB CFexpress |
| Memory Card Included | No | Yes |
| Image Storage | RAW 7360 x 4912 JPEG 7360 x 4912 JPEG 5760 x 3840 JPEG 4224 x 2816 JPEG 1920 x 1280 RAW 4800 x 3200 JPEG 4800 x 3200 |
5472 x 3648 4368 x 2912 3648 x 2432 2736 x 1824 |
| Video Capture | 1920 x 1080 1280 x 720 |
RAW - 5472 x 2286 4096 x 2160 3840 x 2160 1920 x 1080 |
| BATTERY AND CHARGING | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Canon LP-E19 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Canon LP-E19 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 760 shots Playback - 6.5 hours |
Photo shooting - 2850 shots (at 23 °C (LCD Monitor off)) Photo shooting - 2360 shots (at 0 °C (LCD Monitor off)) Photo shooting - 610 shots (at 23 °C (Live View mode)) Photo shooting - 530 shots (at 0 °C (Live View mode)) |
| CONNECTIONS | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n | USB 3.1, Wireless LAN, Bluetooth |
|---|---|---|
| Print Standard | - | DPOF support, Exif Print support |
| Computer Connectivity | Mac, Windows | - |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe, PC terminal |
| Connector Type | USB 2.0 (5 pin Micro-USB Type B) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
USB 3.1 Gen 2 (USB Type-C) Microphone (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 0.7 frames per second, 6.5 frames per second, 4.4 frames per second | 8 frames per second, 3 frames per second, 20 frames per second, 10 frames per second, 16 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | Digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, interval shooting mode, peripheral illumination correction, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, Lateral Chromatic Aberration Correction, anti-aliasing filter simulator, diffraction correction, Pixel Shift Resolution technology, Operation Assist LED lighting | Audio recording, RGB primary colour filter, auto power save, depth-of-field preview button, histogram display, AE lock, AF lock, FE lock, highlight point display, Dust Delete Data system, in-camera RAW processing |
| OTHERS | Pentax K-1 | Canon EOS 1D X Mark III |
|---|
| Included Accessories | Eyepiece cover, carrying strap, battery charger, body cap, eyecup, shoe cap, sync terminal cover | Body cap, neck strap, eyecup, interface cable, cable protector, dual battery charger |
|---|---|---|
| Max Operating Temperature | 40 °C | 45 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | - | Limited warranty - 2 years |
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