Nikon D800 vs Pentax K20D

On this page, we are contrasting the Nikon D800 versus Pentax K20D, both Advanced DSLR digital cameras by brands Nikon and Pentax. There is a sizable difference between the image resolutions of the D800 (36MP) and K20D (15MP) and the D800 (Full frame) and K20D (APS-C) provide totally different sensor dimensions.

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The D800 was brought out 4 years later than the K20D and that is quite a significant difference as far as tech is concerned. Both cameras have the same body design (Mid-size SLR).

Before getting right into a full comparison, here is a quick overview of how the D800 grades against the K20D with regard to portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Nikon D800 & Pentax K20D. The entire galleries are provided at Nikon D800 Gallery & Pentax K20D Gallery.

When you are aiming to carry your camera often, you will have to think about its weight and proportions. The Nikon D800 features exterior measurements of 146mm x 123mm x 82mm (5.7" x 4.8" x 3.2") accompanied by a weight of 900 grams (1.98 lbs) while the Pentax K20D has measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs).

Look at the Nikon D800 versus Pentax K20D in our brand new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ based on the lens you are employing at the time. Here is a front view sizing comparison of the D800 compared to the K20D.

Using size and weight, the portability score of the D800 and K20D is 54 and 59 respectively.

Generally, it is very tough to envision the gap between sensor sizing simply by reading through specs. The graphic here may provide you a more clear sense of the sensor measurements in the D800 and K20D.

All in all, both of those cameras have different megapixels and different sensor sizing. The D800 due to its larger sensor will make shooting shallow DOF less difficult and the Nikon D800 will give extra detail having its extra 21 Megapixels. Greater resolution will also allow you to crop pics a bit more aggressively. The newer D800 will have an advantage when it comes to sensor technology.