Pentax 645Z vs. Canon EOS R5

Camera Comparison, Reviews and Tests

Side by side comparison and review of Pentax 645Z and Canon EOS R5. 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. Canon EOS R5 Comparison Chart
DESIGN AND DIMENSIONS Pentax 645Z Canon EOS R5
Product Type Digital camera - 1080p - SLR with Live View mode, movie recording Digital camera - 8K - mirrorless system with Live View mode, movie recording
Lens Included Body only Body only
Height 11.7 cm 9.75 cm
Width 15.6 cm 13.58 cm
Depth 12.3 cm 8.8 cm
Weight 1.47 kg 650 g
Weight Details Camera body only: 1.47 kg
Camera with battery and memory card: 1.55 kg
Camera body only: 650 g
Camera with battery and memory card: 738 g
Body Material - Magnesium alloy, fibreglass-reinforced polycarbonate resin
Protection Dust-resistant, water-resistant Dust-resistant, water-resistant
SENSOR Pentax 645Z Canon EOS R5
Sensor Resolution 51.4 Megapixel 45 Megapixel
Optical Sensor Type CMOS CMOS
Total Pixels 52,990,000 pixels 47,100,000 pixels
Effective Sensor Resolution 51,400,000 pixels 45,000,000 pixels
Optical Sensor Size - Full Frame (35.9 x 23.9 mm)
Frame Rate (Max Resolution) 30 fps 30 fps
Sensor Dust Reduction Yes Yes
Sensor Features Dust Reduction (image sensor vibration) EOS Integrated Cleaning System
Image Stabiliser - Optical (5-axis image sensor shift mechanism)
Built-in Optical Image Stabiliser - Yes
Sensors - Digital level metre
PROCESSOR Pentax 645Z Canon EOS R5
Image Processor - DIGIC X
LENS Pentax 645Z Canon EOS R5
Lens Mounting Type Pentax 645AF Canon RF
FOCUSING Pentax 645Z Canon EOS R5
Auto Focus TTL contrast and phase detection Dual Pixel CMOS AF II
Auto Focus Points (Zones) Qty 27 5940
Auto Focus Features - Focus Peaking function
AE/AF Control - Face-priority AF, Subject-tracking AF, Eye detection AF, Zone AF, Animal-tracking AF
Face Detection - Eye Detect AF, Face Detection AF/AE
VIEWFINDER Pentax 645Z Canon EOS R5
Viewfinder Type Optical - trapezoid prism Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.5"
Viewfinder Resolution - 5,760,000 pixels
Optical Viewfinder Field Coverage 98% 100%
Optical Viewfinder Magnification 0.62x 0.76x
Optical Viewfinder Dioptric Correction Range -3.5 to +2 -4 to +2
Viewfinder Information - Shutter speed, exposure compensation, flash charge completion, aperture, white balance, image stabilizer, exposure bracketing, battery status, high-speed sync indicator, frames-remaining counter, highlight tone priority, ISO sensitivity, AF lock, electronic level, maximum burst, flicker detection, drive mode, metering mode
Field of View Crop Factor 1.3 1.0
EXPOSURE & WHITE BALANCE Pentax 645Z Canon EOS R5
ISO (Max) 204800 102400
Native ISO 100-204800 100-51200
Extended ISO (Max) - 102400
Extended ISO (Min) - 50
Light Sensitivity ISO auto (100-204800), ISO 100-248000 ISO 50, ISO 102400, ISO 100-51200, ISO auto (100-51200)
Exposure Metering Multi-segment, centre-weighted, spot Evaluative, centre-weighted, partial (5.8%), spot (2.9%)
Exposure Metering Zones - 384
Exposure Modes Programme, bulb, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority Bulb, automatic, manual, aperture-priority, shutter-priority, E-TTL II program flash
Bracketing Modes - White balance bracketing
Special Effects Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film Neutral, Faithful, monochrome, landscape, portrait, Standard, Fine Detail
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) Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white)
Shutter Type Electronic Electronic, mechanical electronically-controlled
Max Shutter Speed 1/4000 sec 1/8000 sec
Min Shutter Speed 30 sec 30 sec
Exposure Compensation ±5 EV range, in 1/2 or 1/3 EV steps ±3 EV range, in 1/2 or 1/3 EV steps
Auto Exposure Bracketing - 3 steps in 1/2 or 1/3 EV steps
White Balance Bracketing - Yes
X-sync Speed 1/125sec 1/250sec
Exposure Range EV -1-21 (ISO 200) -
DISPLAY Pentax 645Z Canon EOS R5
Type 3.2" LCD display 3.15" LCD display
Touch Screen - Yes
Display Format 1,037,000 pixels 2,100,000 pixels
Display Form Factor Folding Rotating
Display Features Display brightness control, display colour control Display brightness control, display colour control, anti-smudge coating
VIDEOGRAPHY / CAMCORDER Pentax 645Z Canon EOS R5
Digital Video Format MJPEG, H.264 H.265
Image Recording Format JPEG, RAW, RAW + JPEG JPEG, RAW, RAW + JPEG, C-RAW, HEIF, RAW + HEIF
Max Video Resolution 1920 x 1080 8192 x 4320
Audio Signal Format - Linear PCM
Microphone Operation Mode - Mono
MEMORY Pentax 645Z Canon EOS R5
Memory Card Slot Dual SD card SD card, CFexpress
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-II Memory Card, SDXC UHS-II Memory Card, CFexpress
Memory Card Included No No
Image Storage - 8192 x 5464
5808 x 3872
4176 x 2784
2400 x 1600
5088 x 3392
7280 x 5464
5152 x 3872
3712 x 2784
2112 x 1600
8192 x 4608
5808 x 3264
4176 x 2344
2400 x 1344
5456 x 5456
3872 x 3872
2784 x 2784
1600 x 1600
3648 x 3648
2432 x 2432
1824 x 1824
Video Capture - H.265 - 8192 x 4320 p - 29.97 fps
H.265 - 8192 x 4320 p - 25 fps
H.265 - 8192 x 4320 p - 23.98 fps
H.265 - 7680 x 4320 p - 29.97 fps
H.265 - 7680 x 4320 p - 25 fps
H.265 - 7680 x 4320 p - 23.98 fps
H.265 - 4096 x 2160 p - 119.9 fps
H.265 - 4096 x 2160 p - 100 fps
H.265 - 4096 x 2160 p - 59.94 fps
H.265 - 4096 x 2160 p - 50 fps
H.265 - 4096 x 2160 p - 29.97 fps
H.265 - 4096 x 2160 p - 25 fps
H.265 - 4096 x 2160 p - 23.98 fps
H.265 - 3840 x 2160 p - 119.9 fps
H.265 - 3840 x 2160 p - 100 fps
H.265 - 3840 x 2160 p - 59.94 fps
H.265 - 3840 x 2160 p - 50 fps
H.265 - 3840 x 2160 p - 29.97 fps
H.265 - 3840 x 2160 p - 25 fps
H.265 - 3840 x 2160 p - 23.98 fps
H.265 - 1920 x 1080 p - 59.94 fps
H.265 - 1920 x 1080 p - 50 fps
H.265 - 1920 x 1080 p - 29.97 fps
H.265 - 1920 x 1080 p - 25 fps
H.265 - 1920 x 1080 p - 23.98 fps
BATTERY AND CHARGING Pentax 645Z Canon EOS R5
Battery Type Pentax D-Li90 Lithium Ion Canon LP-E6NH Lithium Ion
Details Pentax D-Li90 Li-ion rechargeable battery (included) Canon LP-E6NH Li-ion rechargeable battery (included)
Battery Life Photo shooting - 650 shots
Playback - 6.67 hours
Photo shooting - 320 shots (EVF on)
Photo shooting - 490 shots (LCD Monitor on)
CONNECTIONS Pentax 645Z Canon EOS R5
Interface HDMI, USB 3.0 HDMI, USB 3.1, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2
Connectivity Features - Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless video upload to cloud server, wireless image upload to cloud server, wireless image printing
Print Standard - DPOF support, Exif Print support
Computer Connectivity - Mac, Windows
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 3.2 Gen 1 (USB Type-C)
HDMI output (19 pin micro HDMI Type D)
Audio line-in / microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
Remote control
FEATURES Pentax 645Z Canon EOS R5
Self-Timer Delay 2sec, 12sec 10 sec, 2sec
Continuous Shooting Speed 3 frames per second, 4.5 frames per second 20 frames per second, 12 frames per second
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 RGB primary colour filter, auto power save, depth-of-field preview button, camera orientation detection, histogram display, cropping an image, resizing an image, highlight tone priority, highlight point display, USB charging, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, Chromatic Aberration Compensation (CAC), HDR image enhancement technology, Scene Intelligent Auto technology, Touch Shutter technology, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, distortion correction function, diffraction correction, multiple exposure capture, Dual Pixel RAW, Digital Lens Optimizer, 4K time-lapse movie recording, anti-flicker, firmware upgradable
OTHERS Pentax 645Z Canon EOS R5
Included Accessories Carrying strap, battery charger, body cap, eyecup, shoe cap Battery charger, body cap, neck strap, cable protector, USB-C cable
Software Drivers & Utilities Canon Picture Style Editor, Canon EOS Utility, Canon Digital Photo Professional 4, Canon Digital Photo Professional Express
Max Operating Temperature - 40 °C
Min Operating Temperature - 1 °C
Service & Support - Limited warranty - 1 year
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