Pentax K-3 II vs Pentax K20D

In this article, we are looking at the Pentax K-3 II and Pentax K20D, both Advanced DSLR cameras and both of them are designed by Pentax. There exists a crucial gap among the image resolutions of the K-3 II (24MP) and K20D (15MP) but they use the same exact sensor sizes (APS-C).

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The K-3 II was manufactured 6 years after the K20D which is a fairly serious gap as far as camera technology is concerned. Both cameras offer the identical body type (Mid-size SLR).

Before getting through a full comparison, below is a short summary of how the K-3 II scores vs the K20D when considering portability, imaging, features and an overall score.

This is a sample of the gallery pics for Pentax K-3 II and Pentax K20D. The entire galleries are provided at Pentax K-3 II Gallery and Pentax K20D Gallery.

If you are looking to carry around your camera frequently, you'll need to consider its weight and dimensions. The Pentax K-3 II features physical measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs) whilst the Pentax K20D has dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).

Check out the Pentax K-3 II and Pentax K20D in the new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ based on the lens you are working with at that moment. Underneath is the front view scale comparison of the K-3 II against the K20D.

Taking into account dimensions and weight, the portability score of the K-3 II and K20D is 59 and 59 respectively.

Quite often, it's tough to see the gap in sensor sizes purely by researching specs. The picture underneath might give you a much better sense of the sensor measurements in the K-3 II and K20D.

As you can plainly see, the 2 cameras offer the same exact sensor sizing but not the same megapixels. You should expect to see the Pentax K-3 II to provide you with more detail due to its extra 9MP. Greater resolution will also help you crop photos a little more aggressively. The younger K-3 II will have a benefit in sensor innovation.