Pentax K-1 vs. Fujifilm X Series X-Pro3

Camera Comparison, Reviews and Tests

In depth comparison and review of Pentax K-1 and Fujifilm X Series X-Pro3. 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.

Camera Specifications Comparison

Pentax K-1 vs. Fujifilm X Series X-Pro3 Comparison Chart
DESIGN AND DIMENSIONS Pentax K-1 Fujifilm X Series X-Pro3
Product Type Digital camera - 1080p - SLR with Live View mode, movie recording Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 11 cm 8.28 cm
Width 13.65 cm 14.05 cm
Depth 8.55 cm 4.61 cm
Weight 925 g 447 g
Weight Details - Camera body only: 447 g
Camera with battery and memory card: 497 g
Body Material - Titanium, magnesium alloy frame
Enclosure Colour - Black | DR black
Protection Weatherproof, freezeproof, dust-resistant Dust-resistant, wear-resistant
Navigation GPS receiver -
SENSOR Pentax K-1 Fujifilm X Series X-Pro3
Sensor Resolution 36.4 Megapixel 26.1 Megapixel
Optical Sensor Type CMOS X-Trans CMOS 4
Total Pixels 36,770,000 pixels -
Effective Sensor Resolution 36,400,000 pixels 26,100,000 pixels
Optical Sensor Size Full Frame (35.9 x 24.0 mm) APS-C (23.5 x 15.6 mm)
Frame Rate (Max Resolution) 30 fps 30 fps
Sensor Dust Reduction - Yes
Sensor Features - Dust Reduction (image sensor vibration)
Image Stabiliser Optical (5-axis image sensor shift mechanism) -
Built-in Optical Image Stabiliser Yes -
Sensors Magnetometer, digital level metre -
PROCESSOR Pentax K-1 Fujifilm X Series X-Pro3
Image Processor PRIME IV X-Processor 4
LENS Pentax K-1 Fujifilm X Series X-Pro3
Lens Mounting Type Pentax KAF2 Fujifilm X Mount
FOCUSING Pentax K-1 Fujifilm X Series X-Pro3
Auto Focus TTL contrast and phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 33 -
AE/AF Control - Subject-tracking AF
VIEWFINDER Pentax K-1 Fujifilm X Series X-Pro3
Viewfinder Type Optical - fixed eye-level pentaprism Hybrid - reverse Galilean OLED
Viewfinder Resolution - 3,690,000 pixels
Optical Viewfinder Field Coverage 100% -
Optical Viewfinder Magnification 0.70x 0.52x
Optical Viewfinder Dioptric Correction Range -3 to +1.2 -4 to +2
Features - Auto eye sensor
EXPOSURE & WHITE BALANCE Pentax K-1 Fujifilm X Series X-Pro3
ISO (Max) 204800 51200
Native ISO 100-204800 160-12800
Extended ISO (Max) - 25600 (H1), 51200 (H2)
Extended ISO (Min) - 80 (L1), 100 (L2), 125 (L3)
Light Sensitivity ISO auto, ISO 100-204800 ISO 100, ISO 125, ISO 80, ISO auto, ISO 51200, ISO 25600, ISO 160-12800
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot, average
Exposure Metering Zones - 256
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority Bulb, automatic, manual, aperture-priority, shutter-priority
Bracketing Modes - Dynamic Range Bracketing, Film Simulation Bracketing, focus bracketing, ISO sensitivity bracketing, white balance bracketing
Special Effects - Soft focus, miniature, Film Simulation, partial colour, Toy camera, High Key, Low Key, Pop Colour, Dynamic tone
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 Fine, incandescent, shade, fluorescent light (cool white), fluorescent light (warm white), Underwater, 2500K - 10000K, fluorescent light (daylight colour)
Shutter Type Mechanical electronically-controlled Mechanical, electronic
Max Shutter Speed 1/8000 sec 1/32000 sec
Min Shutter Speed 30 sec 4 sec
Exposure Compensation ±5 EV range, in 1/2 or 1/3 EV steps ±5 EV range, in 1/3 EV steps
Auto Exposure Bracketing - 2, 3, 5, 7, 9 steps in 1/3 - 3 EV steps
White Balance Bracketing - Yes
X-sync Speed 1/200sec 1/250sec
Exposure Range EV -3-20 (ISO 100) -
DISPLAY Pentax K-1 Fujifilm X Series X-Pro3
Type 3.2" LCD display 3" LCD display
Touch Screen - Yes
Display Format 1,037,000 pixels 1,620,000 pixels
Display Form Factor Folding Tilting
Display Features Colour control, display brightness control, display saturation control Display brightness control
VIDEOGRAPHY / CAMCORDER Pentax K-1 Fujifilm X Series X-Pro3
Digital Video Format AVI, MJPEG, H.264 H.264, MOV
Image Recording Format JPEG, RAW + JPEG, DNG (RAW), PEF (RAW) JPEG, RAW, RAW + JPEG
Max Video Resolution 1920 x 1080 4096 x 2160
Audio Signal Format - Linear PCM
Microphone Operation Mode Stereo Stereo
MEMORY Pentax K-1 Fujifilm X Series X-Pro3
Memory Card Slot Dual SD card SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card
Memory Card Included No No
Memory Card Max Supported Size - 512 GB
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
6240 x 4160
6240 x 3512
4416 x 2944
4416 x 2488
3120 x 2080
3120 x 1760
4160 x 4160
2944 x 2944
2080 x 2080
Video Capture 1920 x 1080
1280 x 720
MOV - 4096 x 2160 p - 29.97 fps
MOV - 4096 x 2160 p - 25 fps
MOV - 4096 x 2160 p - 24 fps
MOV - 4096 x 2160 p - 23.98 fps
MOV - 3840 x 2160 p - 29.97 fps
MOV - 3840 x 2160 p - 25 fps
MOV - 3840 x 2160 p - 24 fps
MOV - 3840 x 2160 p - 23.98 fps
MOV - 2048 x 1080 p - 25 fps
MOV - 2048 x 1080 p - 24 fps
MOV - 2048 x 1080 p - 23.98 fps
MOV - 2048 x 1080 p - 59.94 fps
MOV - 2048 x 1080 p - 50 fps
MOV - 2048 x 1080 p - 29.97 fps
MOV - 1920 x 1080 p - 59.94 fps
MOV - 1920 x 1080 p - 50 fps
MOV - 1920 x 1080 p - 29.97 fps
MOV - 1920 x 1080 p - 25 fps
MOV - 1920 x 1080 p - 24 fps
MOV - 1920 x 1080 p - 23.98 fps
MOV - 1920 x 1080 p - 120 fps - high speed recording
MOV - 1920 x 1080 p - 100 fps - high speed recording
BATTERY AND CHARGING Pentax K-1 Fujifilm X Series X-Pro3
Battery Type Pentax D-Li90 Lithium Ion Fujifilm NP-W126S Lithium Ion
Details Pentax D-Li90 Li-ion rechargeable battery (included) Fujifilm NP-W126S Li-ion rechargeable battery (included)
Battery Life Photo shooting - 760 shots
Playback - 6.5 hours
Photo shooting - 250 shots (EVF on)
Photo shooting - 350 shots (OVF normal mode)
Video recording - 60 minutes (4K resolution)
Video recording - 75 minutes (Full HD resolution)
CONNECTIONS Pentax K-1 Fujifilm X Series X-Pro3
Interface HDMI, USB 2.0, IEEE 802.11b/g/n USB-C, IEEE 802.11b/g/n, Bluetooth 4.2
Connectivity Features - Remote control via mobile devices, remote live view, Wireless Image Transfer
Print Standard - Exif Print support
Computer Connectivity Mac, Windows -
Flash Terminal Hot shoe, PC terminal Hot shoe
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 3.2 Gen 1 (USB Type-C)
Microphone / remote control (sub-mini phone stereo 2.5 mm)
FEATURES Pentax K-1 Fujifilm X Series X-Pro3
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 4 frames per second, 8 frames per second, 3 frames per second, 5 frames per second, 5.7 frames per second, 20 frames per second, 10 frames per second, 11 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 Built-in speaker, interval shooting mode, primary colour filter
OTHERS Pentax K-1 Fujifilm X Series X-Pro3
Included Accessories Eyepiece cover, carrying strap, battery charger, body cap, eyecup, shoe cap, sync terminal cover Cleaning cloth, body cap, shoulder strap, protective cover, strap clip, clip attaching tool, hot shoe cover, USB-C to USB-A cable
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C -10 °C
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