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D810 vs K-3 II
Quick take: The D810 has the highest resolution at 36MP; the D810 is the most affordable.
16 specs side by side·13 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
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Full specificationsthe better value in each row is highlighted
| Specification | D810Nikon · 2014 | K-3 IIPentax · 2015 |
|---|---|---|
| Price | £190 used | £185 usedBest |
| Sensor | 36.3MP full-frame CMOS | 24.35MP APS-C CMOS |
| Resolution | 36.3MPBest | 24.4MP |
| Video | Full HD 1080p/60 | Full HD 1080/60i, 30p |
| Autofocus | 51-point phase-detect (15 cross-type) via viewfinder; contrast AF with face priority in live view | SAFOX 11 phase-detect AF, 27 points (25 cross-type) |
| Stabilisation | No IBIS (lens-based stabilisation only) | Sensor-shift Shake Reduction, 4.5 stops |
| Burst Rate | 5fps | 8.3fpsBest |
| Battery Life | ~1200 shots (CIPA)Best | ~720 shots (CIPA) |
| Weight | 980g (with battery) | 785g (with battery)Best |
| Dimensions | 146 × 123 × 81.5mm | 131.5 × 102.5 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | Optical pentaprism, 100% coverage, 0.7x | Pentaprism, ~100%, 0.95x |
| Screen | 3.2" fixed LCD, 1.23M dots | 3.2" fixed LCD, 1.04M dots |
| Mount | Nikon F mount | Pentax KAF2 (K-mount) |
| Memory Cards | Dual slots: CompactFlash + SD | Dual SD slots |
| Connectivity | USB 3.0, mini HDMI, 3.5mm mic & headphone jacks, 10-pin remote | USB 3.0, micro HDMI, mic + headphone, cable switch, PC sync, GPS |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
D810
K-3 II
Portrait
6.3/10
6.0/10
Street
4.6/10
4.9/10
Travel
4.7/10
5.0/10
Wedding & Events
6.8/10
6.3/10
Documentary
5.4/10
5.4/10
Sports & Action
5.8/10
6.2/10
Landscape
6.0/10
5.8/10
Wildlife
5.9/10
6.3/10
Casual
2.8/10
3.1/10
Food
4.5/10
4.5/10
Macro
4.0/10
4.4/10
Architecture
5.6/10
5.5/10
Astrophotography
6.0/10
6.1/10
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →
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