Pentax KP vs Sony A77 Compare

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

Cameras which are being compared are Amateur DSLR cameras.

KP vs A77 - Side by side

Learn more about compared cameras specifications below.

Pentax KP vs Sony A77 Specs


  • 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


  • Introduced in October 2011
  • Amateur DSLR
  • Sensor: APS-C
  • 24 megapixel
  • 12 frames/second
  • 100 - 25600 ISO
  • 1920 x 1080 Video
  • Viewfinder: Elektronic
  • 76.00mm (3.0") Monitor, articulated
  • Lens mount A Mount
  • No WiFi
  • 142.6 x 104.2 x 80.9mm³ (5.6" x 4.1" x 3.2")
  • 730g (23.5 oz.)

All specs: Main page for A77

KP vs A77 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 A77 sensor comparison

KP vs A77: Viewfinder

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

A77 has an electronic viewfinder with resolution 2.36 megapixel, it's magnification is 0.64x.

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)

A77 (0.64x)

Simulated viewfinder of the KPSimulated viewfinder of the A77

Better choice: Sony A77

Pentax KP VS Sony A77 Other Specs Comparison

Why is Pentax KP a better choice



Sensor cleaning (3)
Auto Focus points (4)2719
Better sensibility (4)100 - 819200 ISO100 - 25600 ISO
Weighs less (2)643g
(20.7 oz.)
(23.5 oz.)
More portable (2)1009cm³
WiFi (2)
Environmental sealing (2)

Conclusion: Advantages of the KP are built-in automatic sensor cleaning, the faster and more accurate auto focus and the larger sensitivity. We also like the lower weight than the A77, the more compact size and the built-in wifi that permits remote shooting and image transfer without the need for a cable connection.

The KP scores 17 points.

Otherwise why to choose Sony A77



Higher speed (4, frames/second)712
Larger lens selection (3)4045
Longer battery life (3, photos)420470

Conclusion: Advantages of the A77 are that the camera is faster, the larger selection of lenses and that the battery has more stamina.

Yields 10 points for the A77.

Common Specs for both cameras compared



Sensor formatAPS-CAPS-C
Resolution (megapixel)24.3024.30
Built-in flash
Image stabilizer
Sensor resolution (MP)0.920.92
Articulated screen
Video resolution1920 x 10801920 x 1080
External microphone
Pentax KP VS Sony A77 Dimensions

Look at front view of the KP and A77

KP und A77, front viewKP und A77, front view

Top view of cameras

KP und A77, view from aboveKP und A77, view from above

Total scores

Here's the total score according to comparison above:

Pentax KP

Sony A77


We recommend Pentax KP as better choice.

Visual data, advantage info and scores © 2019 All rights reserved.