Pentax K-1 II vs. Sony Alpha7 IV ILCE-7M4

Camera Comparison, Reviews and Tests

In depth comparison and review of Pentax K-1 II and Sony Alpha7 IV ILCE-7M4. 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 II vs. Sony Alpha7 IV ILCE-7M4 Comparison Chart
DESIGN AND DIMENSIONS Pentax K-1 II Sony Alpha7 IV ILCE-7M4
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 9.64 cm
Width 13.65 cm 13.13 cm
Depth 8.55 cm 7.98 cm
Weight 925 g 658 g
Weight Details Camera body only: 925 g
Camera with battery and memory card: 1010 g
Camera with battery and memory card: 658 g
Body Material - Magnesium alloy
Enclosure Colour Silver -
Protection Weatherproof, freezeproof, dust-resistant Dust-resistant, moisture-resistant
Digital Zoom - 4x
Navigation GPS receiver -
SENSOR Pentax K-1 II Sony Alpha7 IV ILCE-7M4
Sensor Resolution 36.4 Megapixel 33.0 Megapixel
Optical Sensor Type CMOS Exmor R CMOS
Total Pixels 36,770,000 pixels 34,100,000 pixels
Effective Sensor Resolution 36,400,000 pixels 33,000,000 pixels
Optical Sensor Size 35.9 x 24.0 mm Full Frame (35.9 x 23.9 mm)
Frame Rate (Max Resolution) 30 fps 60 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) Optical (Steady Shot with 5-axis Intelligent Active Mode)
Built-in Optical Image Stabiliser Yes Yes
Sensors Magnetometer, digital level metre Digital level metre
PROCESSOR Pentax K-1 II Sony Alpha7 IV ILCE-7M4
Image Processor PRIME IV BIONZ XR
LENS Pentax K-1 II Sony Alpha7 IV ILCE-7M4
Lens Mounting Type Pentax K Sony E-mount
FOCUSING Pentax K-1 II Sony Alpha7 IV ILCE-7M4
Auto Focus TTL contrast and phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 33 759
Auto Focus Features - Focus Peaking function, Predictive Focus Control
AE/AF Control - Face-priority AF, Subject-tracking AF, Touch Area AF, Zone AF, Real-time Eye AF, Real-time Tracking AF, Wide-area AF, Expanded area AF, animal eye detection, bird eye detection, right/left eye select
Face Detection Yes Eye Detect AF, face-priority AF function
VIEWFINDER Pentax K-1 II Sony Alpha7 IV ILCE-7M4
Viewfinder Type Optical - fixed eye-level pentaprism Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.5"
Viewfinder Resolution - 3,686,400 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.70x 0.78x
Optical Viewfinder Dioptric Correction Range -3 to +1.2 -4 to +3
EXPOSURE & WHITE BALANCE Pentax K-1 II Sony Alpha7 IV ILCE-7M4
ISO (Max) 819200 204800
Native ISO 100-819200 100-51200
Extended ISO (Max) - 204800
Extended ISO (Min) - 50
Light Sensitivity ISO auto, ISO 100-819200 ISO 50, ISO auto, ISO 204800, ISO 100-51200
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, average, highlight spot
Exposure Metering Zones - 1200
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority Automatic, manual, aperture-priority, shutter-priority
Bracketing Modes - Dynamic Range Bracketing, white balance bracketing
Special Effects - Soft Skin, Creative Look presets
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, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K
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, 5 or 9 steps
X-sync Speed 1/200sec 1/250sec
Exposure Range EV -3-20 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Pentax K-1 II Sony Alpha7 IV ILCE-7M4
Type 3.2" LCD display 3" LCD display
Touch Screen - Yes
Display Format 1,037,000 pixels 1,036,000 pixels
Display Form Factor Folding Folding
Display Features Colour control, display brightness control, display saturation control Display brightness control
VIDEOGRAPHY / CAMCORDER Pentax K-1 II Sony Alpha7 IV ILCE-7M4
Digital Video Format H.264, MOV MPEG-4, H.264, XAVC S, H.265, XAVC HS
Image Recording Format JPEG, RAW + JPEG, DNG (RAW), PEF (RAW) JPEG, RAW, RAW + JPEG, HEIF, RAW + HEIF
Max Video Resolution 1920 x 1080 3840 x 2160
Audio Signal Format - Linear PCM, AAC
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction Wind noise reduction
MEMORY Pentax K-1 II Sony Alpha7 IV ILCE-7M4
Memory Card Slot Dual SD card SD card, CFexpress / 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, CFexpress
Memory Card Included 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
7008 x 4672
4608 x 3072
3504 x 2336
4608 x 3072 - APS-C mode
3504 x 2336 - APS-C mode
6224 x 4672
4096 x 3072
3120 x 2336
4096 x 3072 - APS-C mode
3120 x 2336 - APS-C mode
7008 x 3944
4608 x 2592
3504 x 1968
4608 x 2592 - APS-C mode
3504 x 1968 - APS-C mode
4672 x 4672
3072 x 3072
2336 x 2336
3072 x 3072 - APS-C mode
2336 x 2336 - APS-C mode
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 HS - 3840 x 2160 p - 60 fps
XAVC HS - 3840 x 2160 p - 24 fps
XAVC HS - 3840 x 2160 p - 50 fps
XAVC S - 3840 x 2160 p - 60 fps
XAVC S - 3840 x 2160 p - 30 fps
XAVC S - 3840 x 2160 p - 24 fps
XAVC S - 3840 x 2160 p - 50 fps
XAVC S - 3840 x 2160 p - 25 fps
XAVC S - 1920 x 1080 p - 60 fps
XAVC S - 1920 x 1080 p - 30 fps
XAVC S - 1920 x 1080 p - 24 fps
XAVC S - 1920 x 1080 p - 50 fps
XAVC S - 1920 x 1080 p - 25 fps
BATTERY AND CHARGING Pentax K-1 II Sony Alpha7 IV ILCE-7M4
Battery Type Pentax D-Li90 Lithium Ion Sony NP-FZ100 Lithium Ion
Details Pentax D-Li90 Li-ion rechargeable battery (included) Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included)
Battery Life Photo shooting - 670 shots
Playback - 340 minutes
Photo shooting - 520 shots (EVF on)
Photo shooting - 580 shots (LCD Monitor on)
Video recording - 100 minutes (EVF on)
Video recording - 110 minutes (LCD Monitor on)
CONNECTIONS Pentax K-1 II Sony Alpha7 IV ILCE-7M4
Interface HDMI, USB 2.0, IEEE 802.11b/g/n USB 2.0, USB-C, IEEE 802.11a/b/g/n/ac, Bluetooth 4.1
Connectivity Features - Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless video upload to FTP server, PC Remote functions via Wi-Fi
Print Standard - Exif Print support, PRINT Image Matching
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 2.0 (5 pin Micro-USB Type B)
USB 3.2 Gen 1 (USB Type-C)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
FEATURES Pentax K-1 II Sony Alpha7 IV ILCE-7M4
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, 10 frames per second, 6 frames per second
HDR Mode Auto HDR 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, camera orientation detection, histogram display, shadow point display, highlight point display, Dynamic Range Optimizer, USB charging, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, distortion correction function, S-Log2 gamma setting, slow motion recording, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, simultaneous streaming & recording mode, focus breathing compensation, USB streaming, 14-bit RAW
OTHERS Pentax K-1 II Sony Alpha7 IV ILCE-7M4
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, AC power adaptor, shoe cap, USB-C to USB-A cable
Software Digital Camera Utility 5 -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C 0 °C
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