Compare Pentax 645D vs Nikon D810 vs Leica S3
Connectivity
Ports
Remote Control + USB 2.0
HDMI + Remote Control + USB 3.0
USB, HDMI, Audio, Hotshoe, cable release
Wireless Connectivity
via WT-5A or Eye-Fi
GPS, WiFi
Construction
Battery | Capacity
2300 mAh
Form Factor
DSLR camera
Image Size
Medium format (645)
Full frame (35.9 x 24 mm)
Medium-format 45 x 30 mm (Leica ProFormat)
Lens Mount
Nikon F-mount
S-mount
Material
Magnesium alloy
Microphone
Stereo
Stereo
Sensor | Resolution
40 MP (7264 x 5440)
36 MP (7360 x 4912)
64 MP
Sensor | Type
CCD
CMOS
Speakers
None
Mono
Dimensions
Size | Depth
119 mm / 4.69 in
82 mm / 3.23 in
80 mm
Size | Height
117 mm / 4.61 in
123 mm / 4.84 in
120 mm
Size | Width
156 mm / 6.14 in
146 mm / 5.75 in
160 mm
Weight
1480 g / 52.30 oz
980 g / 34.63 oz
1260 g
Display
Display Diagonal
3 inch
3.2 inch
3"
Display Type
Fixed TFT Color LCD with wide-viewing angle and with AR coating
Fixed TFT-LCD (WRGB)
Resolution
921,000 dots
1,229,000 dots
0.92 M dots
Viewfinder | Coverage
98%
100%
OVF Pentaprism, 0.87x, 98%
Viewfinder | Magnification
0.85x
0.7x
Viewfinder | Type
Optical (pentaprism)
Optical (tunnel)
Function
AE Bracketing
±2 (3, 5 frames at 1/7 EV, 1/5 EV, 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
±5 (2, 3, 5, 7 frames at 1/3 EV, 2/3 EV, 1 EV steps)
Autofocus
11 focus points
51 focus points
Phase detection
Crop Factor
0.6
1.0
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV, 1 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Flash
Built-in
Flash Sync Speed
1/125 s
GPS
No
Optional via GP-1 or GP-1A
ISO Range
200, 400, 800, 1600 (100 with boost)
64 ~ 12800
Image Stabilization
No
No
Intervalometer
Yes
Processor
Prime II
EXPEED 4
Maestro II
Touch Screen
No
No
Video Codecs
MPEG-4, H.264
Video Recording
4K 24p, FHD 30p (full-width)
Weather Resistance
Yes
Yes
Performance
Battery Life
1200 shots
Buffer Size
2 GB
Dynamic Range
15 stops
Flash Range
12.00 m
Max Burst Rate
1.1 fps
5.0 fps
3 fps
Shutter Speed
1/4000 s - 8 min
Storage
SD/SDHC
SD/SDHC/SDXC, CompactFlash (UDMA compliant)
CF, SD
Production
Battery
Lithium-Ion D-LI90 rechargeable battery & charger
EN-EL15 lithium-ion battery & charger
S BP-PRO1
Debut
2010-03-10
2014-06-26
2020-03-06
Made In
Germany
Reviews
Neofiliac score
57%
63%
Pros
- Medium format look
- Weather-sealed
- Affordable for a 645 DSLR
- Exceptional battery life
- 64 base ISO
- Weather-sealed
- Superb ergonomics
Cons
- Menu not touch-enabled
- Very low 1.1 fps burst rate
- Very large in size
- Very heavy
- Viewfinder coverage is cropped at 98%
- Menu not touch-enabled
- Very low 5.0 fps burst rate
- Very heavy
- Viewfinder with low 0.7x magnification
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