Pentax K-5 vs Pentax K20D

Here is a extended analysis of the Pentax K-5 vs Pentax K20D, both Advanced DSLR cameras and both are manufactured by Pentax. The image resolution of the K-5 (16MP) and the K20D (15MP) is very comparable and they enjoy the exact same sensor measurements (APS-C).

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The K-5 was announced 2 years later than the K20D and that is a fairly large gap as far as camera tech is concerned. Each of these cameras come with the identical body type (Mid-size SLR).

Before getting straight into a step-by-step comparison, below is a quick view of how the K-5 matches up versus the K20D in terms of portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Pentax K-5 and Pentax K20D. The whole galleries are viewable at Pentax K-5 Gallery and Pentax K20D Gallery.

For anyone who is going to carry your camera regularly, you will want to factor in its weight and measurements. The Pentax K-5 enjoys external dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 740 grams (1.63 lbs) whilst the Pentax K20D has proportions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).

Examine the Pentax K-5 vs Pentax K20D in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using during that time. The following is the front view over all size comparison of the K-5 versus the K20D.

Using size and weight, the portability grade of the K-5 and K20D is 60 and 59 respectively.

Oftentimes, it's hard to envision the contrast in sensor sizing just by seeing a spec sheet. The visual below might provide you a greater sense of the sensor sizes in the K-5 and K20D.

Clearly, each of the cameras posses the exact same sensor measurements but not the same MP. You should expect to see the Pentax K-5 to produce more detail with its extra 1MP. Greater resolution can also enable you to crop images somewhat more aggressively. The younger K-5 will have an edge when it comes to sensor tech.