Pentax KP vs Nikon D5100 Compare

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Cameras which are being compared are Amateur DSLR cameras.

KP vs D5100 - Side by side

Learn more about compared cameras specifications below.

Pentax KP vs Nikon D5100 Specs

KP

  • Introduced in January 2017
  • Amateur DSLR
  • Sensor: APS-C
  • 24 megapixel
  • 7 frames/second
  • 100 - 819200 ISO
  • 1920 x 1080 Video
  • Viewfinder: Optical (Penta prism)
  • 76.00mm (3.0") Monitor, articulated
  • Lens mount KAF2
  • WiFi built-in
  • 131.5 x 101 x 76mm³ (5.2" x 4.0" x 3.0")
  • 643g (20.7 oz.)

All specs: Main page for KP

D5100

  • Introduced in April 2011
  • Amateur DSLR
  • Sensor: APS-C (DX)
  • 16 megapixel
  • 4 frames/second
  • 100 - 6400 ISO
  • 1920 x 1080 Video
  • Viewfinder: Optical (Penta mirror)
  • 76.00mm (3.0") Monitor, articulated
  • Lens mount F
  • No WiFi
  • 128 x 97 x 79mm³ (5.0" x 3.8" x 3.1")
  • 560g (18.1 oz.)

All specs: Main page for D5100

KP vs D5100 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: KP an D5100 sensor comparison

KP vs D5100: Viewfinder

KP has an optical viewfinder with penta prism. It has magnification of 0.59x and covers 100% of view field.

The D5100 has an optical viewfinder with a penta mirror. It's magnification is 0.52x covering 95% of view field.

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.

KP (0.59x)

D5100 (0.52x)

Simulated viewfinder of the KPSimulated viewfinder of the D5100

Better choice: Pentax KP

Pentax KP VS Nikon D5100 Other Specs Comparison

Why is Pentax KP a better choice

KP

D5100

Wider resolution (5, megapixel)24.3016.20
Higher speed (4, frames/second)74
Auto Focus points (4)2711
Better sensibility (4)100 - 819200 ISO100 - 6400 ISO
Better viewfinder (4)Penta prismPenta mirror
Image stabilizer (3)
WiFi (2)
Environmental sealing (2)

Conclusion: Advantages of the KP are the higher resolution, that the camera is faster and the faster and more accurate auto focus. Additional pros for the Pentax are the larger sensitivity, the better viewfinder and the optical image stabilizer. A nice touch is the built-in wifi that permits remote shooting and image transfer without the need for a cable connection.

The KP scores 26 points.

Otherwise why to choose Nikon D5100

KP

D5100

Larger lens selection (3)40200
Longer battery life (3, photos)420570
Weighs less (2)643g
(20.7 oz.)
560g
(18.1 oz.)

Conclusion: Advantages of the D5100 are the larger selection of lenses, that the battery has more stamina and the lower weight than the KP.

Yields 8 points for the D5100.

Common Specs for both cameras compared

KP

D5100

Sensor formatAPS-CAPS-C
Sensor cleaning
Built-in flash
Sensor resolution (MP)0.920.92
Articulated screen
Video resolution1920 x 10801920 x 1080
External microphone
Similar size1009cm³981cm³
Pentax KP VS Nikon D5100 Dimensions

Look at front view of the KP and D5100

KP und D5100, front viewKP und D5100, front view

Top view of cameras

KP und D5100, view from aboveKP und D5100, view from above

Total scores

Here's the total score according to comparison above:

Pentax KP

Nikon D5100

26
8

We recommend Pentax KP as better choice.

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