Pentax K-1 vs Nikon D810 Compare

Here you can find digital cameras comparison. Pick up with the best rating.

Cameras which are being compared are Professional DSLR cameras.

K-1 vs D810 - Side by side

Learn more about compared cameras specifications below.

Pentax K-1 vs Nikon D810 Specs


  • Introduced in February 2016
  • Professional DSLR
  • Sensor: Full frame
  • 36 megapixel
  • 4 frames/second
  • 100 – 204800 ISO
  • 1920 x 1080 Video
  • Viewfinder: Optical (Penta prism)
  • 76.00mm (3.0″) Monitor, articulated
  • Lens mount KAF2
  • WiFi built-in
  • 136.5 x 110 x 85.5mm³ (5.4″ x 4.3″ x 3.4″)
  • 1010g (32.6 oz.)

All specs: Main page for K-1


  • Introduced in June 2014
  • Professional DSLR
  • Sensor: Full frame
  • 36 megapixel
  • 5 frames/second
  • 64 – 12800 ISO
  • 1920 x 1080 Video
  • Viewfinder: Optical (Penta prism)
  • 80.00mm (3.1″) Monitor
  • Lens mount F
  • No WiFi
  • 146 x 123 x 81.5mm³ (5.7″ x 4.8″ x 3.2″)
  • 980g (31.6 oz.)

All specs: Main page for D810

K-1 vs D810 Sensors

On the pictures below the sensor areas of cameras are highlighted.

This infographic highlights the sensor areas of both models compared to other common sensor formats:

Info graphic: K-1 an D810 sensor comparison

K-1 vs D810: Viewfinder

K-1 has an optical viewfinder with penta prism. It has magnification of 0.70x and covers 100% of view field.

The D810 features an optical viewfinder with a penta prism that also covers 100% of the field of view, its magnification is c. 0.70x.

Viewfinder magnifications of compared cameras. The black area shows a magnification of 1x, relative to native size; in red is a magnification of 0.85x.

K-1 (0.70x)

D810 (0.70x)

Better choice: Draw

Pentax K-1 VS Nikon D810 Other Specs Comparison

Why is Pentax K-1 a better choice



Wider resolution (5, megapixel)

36.40 36.30
Better sensibility (4)

100 – 204800 ISO 64 – 12800 ISO
Image stabilizer (3)

Articulated monitor (2)

More portable (2)

WiFi (2)

GPS (2)

Conclusion: Advantages of the K-1 are the higher resolution, the larger sensitivity and the optical image stabilizer. A nice touch is the articulated display, the more compact size and the built-in wifi that permits remote shooting and image transfer without the need for a cable connection. Finally, there’s the the built-in GPS.

The K-1 scores 20 points.

Otherwise why to choose Nikon D810



Higher speed (4, frames/second)

4 5
Auto Focus points (4)

33 51
Larger lens selection (3)

40 200
Built-in flash (2)

Better monitor (2, Megapixel)

1.04 1.23
Longer battery life (3, photos)

750 1200
USB 3.0 (2)

Conclusion: Advantages of the D810 are that the camera is faster, the faster and more accurate auto focus and the larger selection of lenses. We also like the built-in flash, that the display has a higher resolution and that the battery has more stamina. Another advantage over the K-1: the support for USB 3.0. HArdly a luxury, given today’s image size and the requirements of 4K video.

Yields 20 points for the D810.

Common Specs for both cameras compared



Sensor format

Full frame Full frame
Sensor cleaning

Video resolution

1920 x 1080 1920 x 1080
External microphone

Similar weight

1010g 980g
Environmental sealing

Pentax K-1 VS Nikon D810 Dimensions

Look at front view of the K-1 and D810

Top view of cameras

Total scores

Here’s the total score according to comparison above:

Pentax K-1

Nikon D810


We advise to choose the newest model: Pentax K-1.