Pentax 645Z vs. Sony Alpha9 II ILCE-9M2

Camera Comparison, Reviews and Tests

Side by side comparison and review of Pentax 645Z and Sony Alpha9 II ILCE-9M2. 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 645Z vs. Sony Alpha9 II ILCE-9M2 Comparison Chart
DESIGN AND DIMENSIONS Pentax 645Z Sony Alpha9 II ILCE-9M2
Product Type Digital camera - 1080p - SLR with Live View mode, movie recording Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 11.7 cm 9.64 cm
Width 15.6 cm 12.89 cm
Depth 12.3 cm 7.75 cm
Weight 1.47 kg 678 g
Weight Details Camera body only: 1.47 kg
Camera with battery and memory card: 1.55 kg
Camera with battery and memory card: 678 g
Body Material - Magnesium alloy
Enclosure Colour - Black
Protection Dust-resistant, water-resistant Dust-resistant, moisture-resistant
SENSOR Pentax 645Z Sony Alpha9 II ILCE-9M2
Sensor Resolution 51.4 Megapixel 24.2 Megapixel
Optical Sensor Type CMOS Exmor RS CMOS
Total Pixels 52,990,000 pixels 28,300,000 pixels
Effective Sensor Resolution 51,400,000 pixels 24,200,000 pixels
Optical Sensor Size - Full Frame (35.6 x 23.8 mm)
Frame Rate (Max Resolution) 30 fps 30 fps
Sensor Dust Reduction Yes Yes
Sensor Features Dust Reduction (image sensor vibration) Dust Reduction (image sensor vibration), Anti-Dust coating, APS-C compatible mode
Image Stabiliser - Optical (5-axis image sensor shift mechanism)
Built-in Optical Image Stabiliser - Yes
Sensors - Digital level metre
PROCESSOR Pentax 645Z Sony Alpha9 II ILCE-9M2
Image Processor - BIONZ X
LENS Pentax 645Z Sony Alpha9 II ILCE-9M2
Lens Mounting Type Pentax 645AF Sony E-mount
FOCUSING Pentax 645Z Sony Alpha9 II ILCE-9M2
Auto Focus TTL contrast and phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 27 693
Auto Focus Features - Focus Peaking function, 4D FOCUS system
Face Detection - Face-priority AF function
VIEWFINDER Pentax 645Z Sony Alpha9 II ILCE-9M2
Viewfinder Type Optical - trapezoid prism Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.5"
Viewfinder Resolution - 3,686,400 pixels
Optical Viewfinder Field Coverage 98% 100%
Optical Viewfinder Magnification 0.62x 0.78x
Optical Viewfinder Dioptric Correction Range -3.5 to +2 -4 to +3
Field of View Crop Factor 1.3 1.0
Features - Viewfinder brightness control, colour temperature control
EXPOSURE & WHITE BALANCE Pentax 645Z Sony Alpha9 II ILCE-9M2
ISO (Max) 204800 204800
Native ISO 100-204800 100-51200
Extended ISO (Max) - 204800
Extended ISO (Min) - 50
Light Sensitivity ISO auto (100-204800), ISO 100-248000 ISO 50, ISO 102400, ISO auto (100-12800), ISO 204800, ISO 100-51200
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot, average, highlight-weighted
Exposure Metering Zones - 1200
Exposure Modes Programme, bulb, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority Bulb, automatic, manual, aperture-priority, shutter-priority
Bracketing Modes - Dynamic Range Bracketing, Flash Exposure Bracketing, white balance bracketing
Special Effects Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Soft High-key, Night Scene, Standard, Style Box
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), fluorescent light (daylight colour), fluorescent light (daylight white) 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 Electronic Mechanical, electronic
Max Shutter Speed 1/4000 sec 1/32000 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 1/125sec 1/250sec
Exposure Range EV -1-21 (ISO 200) EV -3-20 (ISO 100)
DISPLAY Pentax 645Z Sony Alpha9 II ILCE-9M2
Type 3.2" LCD display 3" LCD display
Touch Screen - Yes
Display Format 1,037,000 pixels 1,440,000 pixels
Display Form Factor Folding Folding
Display Features Display brightness control, display colour control Display brightness control
VIDEOGRAPHY / CAMCORDER Pentax 645Z Sony Alpha9 II ILCE-9M2
Digital Video Format MJPEG, H.264 AVCHD, H.264, XAVC S
Image Recording Format JPEG, RAW, RAW + JPEG JPEG, RAW, RAW + JPEG
Max Video Resolution 1920 x 1080 3840 x 2160
Audio Signal Format - Dolby Digital AC-3 (2 channel), Linear PCM
Microphone Operation Mode - Stereo
MEMORY Pentax 645Z Sony Alpha9 II ILCE-9M2
Memory Card Slot Dual SD card Dual 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
Image Storage - 6000 x 4000
3936 x 2624
3008 x 2000
5328 x 4000
3488 x 2624
2656 x 2000
6000 x 3376
3936 x 2216
3008 x 1688
4000 x 4000
2624 x 2624
2000 x 2000
1312 x 1312
1968 x 1112
1744 x 1312
Video Capture - XAVC S - 3840 x 2160 p - 30 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 - 24 fps - 60Mbps
XAVC S - 1920 x 1080 p - 120 fps - 100Mbps
XAVC S - 1920 x 1080 p - 120 fps - 60Mbps
XAVC S - 1920 x 1080 p - 60 fps - 50Mbps
XAVC S - 1920 x 1080 p - 30 fps - 50Mbps
XAVC S - 1920 x 1080 p - 24 fps - 50Mbps
XAVC S - 1920 x 1080 p - 60 fps - 25Mbps
XAVC S - 1920 x 1080 i - 30 fps - 16Mbps
AVCHD - 1920 x 1080 i - 60 fps - 24Mbps
AVCHD - 1920 x 1080 i - 60 fps - 17Mbps
XAVC S - 3840 x 2160 p - 25 fps - 100Mbps
XAVC S - 3840 x 2160 p - 25 fps - 60Mbps
AVCHD - 1920 x 1080 i - 50 fps - 24Mbps
AVCHD - 1920 x 1080 i - 50 fps - 17Mbps
BATTERY AND CHARGING Pentax 645Z Sony Alpha9 II ILCE-9M2
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 - 650 shots
Playback - 6.67 hours
Photo shooting - 690 shots (LCD Monitor on)
Photo shooting - 500 shots (LCD Monitor off)
Video recording - 200 minutes (LCD Monitor on)
Video recording - 195 minutes (LCD Monitor off)
CONNECTIONS Pentax 645Z Sony Alpha9 II ILCE-9M2
Interface HDMI, USB 3.0 HDMI, USB 2.0, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 4.1
Connectivity Features - Remote control via mobile devices, remote live view
Print Standard - DPOF support, Exif Print support, PRINT Image Matching
Flash Terminal Hot shoe Hot shoe
Connector Type USB 3.0 (24 pin Micro-USB-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
DC power input
USB (USB Type-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
Network (RJ-45)
FEATURES Pentax 645Z Sony Alpha9 II ILCE-9M2
Self-Timer Delay 2sec, 12sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 3 frames per second, 4.5 frames per second 8 frames per second, 3 frames per second, 5 frames per second, 20 frames per second, 10 frames per second
HDR Mode - Auto HDR mode
Additional Features RGB primary colour filter, interval shooting mode, peripheral illumination correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Lateral Chromatic Aberration Correction, distortion correction function, anti-aliasing filter simulator, diffraction correction Built-in speaker, sharpness control, histogram display, AE lock, AF lock, FE lock, saturation control, contrast control, Dynamic Range Optimizer, Chromatic Aberration Compensation (CAC), Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, PhotoTV HD, slow motion recording, peripheral shading correction, Flickering Reduction function
OTHERS Pentax 645Z Sony Alpha9 II ILCE-9M2
Included Accessories Carrying strap, battery charger, body cap, eyecup, shoe cap Eyepiece cover, body cap, shoulder strap, AC power adaptor, USB cable, shoe cap
Software Drivers & Utilities -
Max Operating Temperature - 40 °C
Min Operating Temperature - 0 °C
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