Nikon D500 vs Pentax K20D

Here is a thorough review of the Nikon D500 and Pentax K20D, both Advanced DSLR digital cameras by manufacturers Nikon and Pentax. There is a significant difference between the resolutions of the D500 (21MP) and K20D (15MP) but they enjoy the same exact sensor size (APS-C).

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The D500 was announced 7 years later than the K20D and that is quite a sizable gap as far as tech is concerned. Both the cameras offer the identical body type (Mid-size SLR).

Before going through a comprehensive comparison, below is a quick overview of how the D500 scores against the K20D for portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Nikon D500 and Pentax K20D. The whole galleries are viewable at Nikon D500 Gallery and Pentax K20D Gallery.

If you're aiming to carry your camera frequently, you are going to need to consider its weight and dimensions. The Nikon D500 offers outside measurements of 147mm x 115mm x 81mm (5.8" x 4.5" x 3.2") and a weight of 860 grams (1.90 lbs) while the Pentax K20D has dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs).

Contrast the Nikon D500 and Pentax K20D in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change based on the lens you have attached at the time. The following is the front view dimensions comparison of the D500 against the K20D.

Using size and weight, the portability score of the D500 and K20D is 56 and 59 respectively.

Usually, it can be difficult to envision the contrast between sensor sizing purely by reading a spec sheet. The graphic here might offer you a much better sense of the sensor sizing in the D500 and K20D.

As you can see, each of the cameras enjoy the same exact sensor sizing but not the same MP. You should anticipate the Nikon D500 to deliver greater detail with its extra 6 Megapixels. Greater resolution will also help you crop images far more aggressively. The more recent D500 is going to have a benefit with regard to sensor innovation.