Pentax K-r vs Pentax K100D

Following is a thorough comparison of the Pentax K-r and Pentax K100D, both Entry-Level DSLR digital cameras and both of them are designed by Pentax. There exists a huge gap between the sensor resolutions of the K-r (12MP) and K100D (6MP) but they feature the same exact sensor size (APS-C).

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The K-r was brought out 4 years after the K100D which is quite a significant gap as far as technology is concerned. Each of these cameras offer the identical body type (Compact SLR).

Before going straight into a full comparison, below is a short summation of how the K-r scores vs the K100D in regards to portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Pentax K-r and Pentax K100D. The entire galleries are provided at Pentax K-r Gallery and Pentax K100D Gallery.

If you are aiming to carry around your camera, you will need to think about its weight and volume. The Pentax K-r comes with exterior measurements of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") along with a weight of 598 grams (1.32 lbs) whilst the Pentax K100D has sizing of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") having a weight of 660 grams (1.46 lbs).

Contrast the Pentax K-r and Pentax K100D in the all new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing during that time. Underneath is the front view dimensions comparison of the K-r and the K100D.

Considering dimensions and weight, the portability rating of the K-r and K100D is 67 and 64 respectively.

Quite often, it is hard to visualise the gap between sensor sizes purely by reviewing technical specs. The image here will provide you a more clear sense of the sensor measurements in the K-r and K100D.

As you can tell, both of the cameras enjoy the same exact sensor sizing but not the same MP. You should expect to see the Pentax K-r to offer more detail having its extra 6MP. Greater resolution can also let you crop images far more aggressively. The more recent K-r is going to have an edge with regard to sensor innovation.