Pentax K-1 II vs. Sony Alpha6400 ILCE-6400

Camera Comparison, Reviews and Tests

Side by side comparison and review of Pentax K-1 II and Sony Alpha6400 ILCE-6400. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.

Camera Specifications Comparison

Pentax K-1 II vs. Sony Alpha6400 ILCE-6400 Comparison Chart
DESIGN AND DIMENSIONS Pentax K-1 II Sony Alpha6400 ILCE-6400
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 6.69 cm
Width 13.65 cm 12 cm
Depth 8.55 cm 4.99 cm
Weight 925 g 359 g
Weight Details Camera body only: 925 g
Camera with battery and memory card: 1010 g
Camera body only: 359 g
Camera with battery and memory card: 403 g
Body Material - Magnesium alloy
Enclosure Colour Silver Black
Protection Weatherproof, freezeproof, dust-resistant -
Digital Zoom - 4x
Navigation GPS receiver -
SENSOR Pentax K-1 II Sony Alpha6400 ILCE-6400
Sensor Resolution 36.4 Megapixel 24.2 Megapixel
Optical Sensor Type CMOS Exmor CMOS
Total Pixels 36,770,000 pixels 25,000,000 pixels
Effective Sensor Resolution 36,400,000 pixels 24,200,000 pixels
Optical Sensor Size 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 Yes
Sensor Features Ultrasonic Wave Motion Cleaning (UWMC) Dust Reduction (image sensor vibration), Anti-Dust coating
Image Stabiliser Optical (5-axis image sensor shift mechanism) -
Built-in Optical Image Stabiliser Yes -
Sensors Magnetometer, digital level metre -
PROCESSOR Pentax K-1 II Sony Alpha6400 ILCE-6400
Image Processor PRIME IV BIONZ X
LENS Pentax K-1 II Sony Alpha6400 ILCE-6400
Lens Mounting Type Pentax K Sony E-mount
FOCUSING Pentax K-1 II Sony Alpha6400 ILCE-6400
Auto Focus TTL contrast and phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 33 425
Auto Focus Features - Focus Peaking function, 4D FOCUS system
AE/AF Control - Eye detection AF, Predictive AI Servo AF, Real-time Eye AF, Real-time Tracking AF
Face Detection Yes Yes
VIEWFINDER Pentax K-1 II Sony Alpha6400 ILCE-6400
Viewfinder Type Optical - fixed eye-level pentaprism Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.39"
Viewfinder Resolution - 2,359,296 pixels
Optical Viewfinder Field Coverage 100% -
Optical Viewfinder Magnification 0.70x 1.07x
Optical Viewfinder Dioptric Correction Range -3 to +1.2 -
Field of View Crop Factor - 1.5
Features - Auto eye sensor
EXPOSURE & WHITE BALANCE Pentax K-1 II Sony Alpha6400 ILCE-6400
ISO (Max) 819200 102400
Native ISO 100-819200 100-32000
Extended ISO (Max) - 102400
Light Sensitivity ISO auto, ISO 100-819200 ISO auto (100-6400), ISO 100-32000
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot
Exposure Metering Zones - 1200
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority Programme, bulb, automatic, manual, aperture-priority, shutter-priority
Bracketing Modes - Flash Exposure Bracketing, white balance bracketing
Shooting Programs - Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur
Special Effects - Black & White, Sepia, Neutral, Vivid, sunset, soft focus, illustration, landscape, portrait, Water Colour, miniature, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, HDR Painting, Rich-tone monochrome, Soft High-key, Night Scene, Standard, Style Box
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 Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white)
Shutter Type Mechanical electronically-controlled Mechanical, electronic
Max Shutter Speed 1/8000 sec 1/4000 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, 5 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps, 9 steps in 1/3, 1/2, 2/3 or 1 EV steps
White Balance Bracketing - Yes
X-sync Speed 1/200sec 1/160 sec
Exposure Range EV -3-20 (ISO 100) EV -2-20 (ISO 100)
DISPLAY Pentax K-1 II Sony Alpha6400 ILCE-6400
Type 3.2" LCD display 3" LCD display
Touch Screen - Yes
Display Format 1,037,000 pixels 921,600 pixels
Display Form Factor Folding Tilting
Display Features Colour control, display brightness control, display saturation control Display brightness control, display colour control, display contrast control
FLASH Pentax K-1 II Sony Alpha6400 ILCE-6400
Camera Flash - Pop-up flash
Guide Number (m / ISO 100) - 6
Flash Modes - Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction, high-speed sync
Red-Eye Reduction - Yes
Features - AF illuminator, flash +/- compensation, wireless off-camera control
VIDEOGRAPHY / CAMCORDER Pentax K-1 II Sony Alpha6400 ILCE-6400
Digital Video Format H.264, MOV AVCHD, XAVC S
Image Recording Format JPEG, RAW + JPEG, DNG (RAW), PEF (RAW) JPEG, RAW, RAW + JPEG
Max Video Resolution 1920 x 1080 3840 x 2160
Surround Sound - Dolby Digital AC-3 (2 channel) recording
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction -
MEMORY Pentax K-1 II Sony Alpha6400 ILCE-6400
Memory Card Slot Dual SD card Memory Stick PRO Duo 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, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, Memory Stick Micro Mark2, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card
Memory Card Included No No
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
6000 x 4000
6000 x 3376
4240 x 2832
4240 x 2400
3008 x 2000
3008 x 1688
4000 x 4000
2832 x 2832
2000 x 2000
Video Capture 1920 x 1080 i - 60 fps
1920 x 1080 i - 50 fps
1920 x 1080 p - 30 fps
1920 x 1080 p - 25 fps
1920 x 1080 p - 24 fps
1280 x 720 p - 60 fps
1280 x 720 p - 50 fps
XAVC S - 3840 x 2160 p - 30 fps - 100Mbps
XAVC S - 3840 x 2160 p - 25 fps - 100Mbps
XAVC S - 3840 x 2160 p - 24 fps - 100Mbps
XAVC S - 3840 x 2160 p - 30 fps - 60Mbps
XAVC S - 3840 x 2160 p - 25 fps - 60Mbps
XAVC S - 3840 x 2160 p - 24 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 120 fps - 100Mbps
XAVC S HD - 1920 x 1080 p - 100 fps - 100Mbps
XAVC S HD - 1920 x 1080 p - 120 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 100 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 60 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 50 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 30 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 25 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 24 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 60 fps - 25Mbps
XAVC S HD - 1920 x 1080 p - 50 fps - 25Mbps
XAVC S HD - 1920 x 1080 p - 30 fps - 16Mbps
XAVC S HD - 1920 x 1080 p - 25 fps - 16Mbps
AVCHD - 1920 x 1080 i - 60 fps - 24Mbps
AVCHD - 1920 x 1080 i - 50 fps - 24Mbps
AVCHD - 1920 x 1080 i - 60 fps - 17Mbps
AVCHD - 1920 x 1080 i - 50 fps - 17Mbps
BATTERY AND CHARGING Pentax K-1 II Sony Alpha6400 ILCE-6400
Battery Type Pentax D-Li90 Lithium Ion Sony NP-FW50 Lithium Ion
Details Pentax D-Li90 Li-ion rechargeable battery (included) Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included)
Battery Life Photo shooting - 670 shots
Playback - 340 minutes
Photo shooting - 360 shots (EVF on)
Photo shooting - 410 shots (LCD Monitor on)
Video recording - 70 minutes (EVF on)
Video recording - 75 minutes (LCD Monitor on)
CONNECTIONS Pentax K-1 II Sony Alpha6400 ILCE-6400
Interface HDMI, USB 2.0, IEEE 802.11b/g/n HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1
Connectivity Features - Remote control via mobile devices, remote live view
Print Standard - DPOF support, Exif Print support, PRINT Image Matching
Computer Connectivity Mac, Windows 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 2.0
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
FEATURES Pentax K-1 II Sony Alpha6400 ILCE-6400
Self-Timer Delay 2sec, 12sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 3 frames per second, 1 frame per second, 0.7 frames per second, 6.4 frames per second, 4.4 frames per second 8 frames per second, 3 frames per second, 6 frames per second, 11 frames per second
HDR Mode Auto HDR mode HDR Movie mode
Additional Features Audio recording, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, interval shooting mode, in-camera RAW processing, peripheral illumination correction, High ISO NR, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, colour moire correction, Lateral Chromatic Aberration Correction, anti-aliasing filter simulator, diffraction correction, Pixel Shift Resolution System II Built-in speaker, RGB primary colour filter, AE lock, AF lock, FE lock, Sweep Panorama technology, USB powered, Dynamic Range Optimizer, USB charging, peripheral illumination correction, Chromatic Aberration Compensation (CAC), Intelligent AUTO (iAUTO), High ISO NR, high-speed recording, Time-Lapse recording, Superior Auto mode, noise reduction over long exposures, Lens Distortion Correction, slow motion recording
OTHERS Pentax K-1 II Sony Alpha6400 ILCE-6400
Included Accessories Eyepiece cover, battery charger, body cap, battery grip, eyecup, shoe cap, additional battery, battery grip terminal cover, sync terminal cover Eyepiece cover, body cap, shoulder strap, shoe cap, micro-USB cable
Software Digital Camera Utility 5 -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C 0 °C
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