Nikon D3100 vs Pentax K100D

Here, we are looking at the Nikon D3100 versus Pentax K100D, both Entry-Level DSLR digital cameras by brands Nikon and Pentax. There exists a noticeable gap between the sensor resolutions of the D3100 (14MP) and K100D (6MP) but both cameras boast the identical sensor sizing (APS-C).

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The D3100 was manufactured 4 years after the K100D which is quite a sizable difference as far as technology is concerned. Each of these cameras feature the same body design (Compact SLR).

Before we go straight to a full comparison, here is a short overview of how the D3100 matches up versus the K100D with regard to portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Nikon D3100 & Pentax K100D. The entire galleries are provided at Nikon D3100 Gallery & Pentax K100D Gallery.

If you're aiming to carry around your camera, you are going to need to factor its weight and dimensions. The Nikon D3100 has physical measurements of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") having a weight of 505 grams (1.11 lbs) and the Pentax K100D has dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") with a weight of 660 grams (1.46 lbs).

Contrast the Nikon D3100 versus Pentax K100D in our newest Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will vary based on the lens you select at that moment. Underneath is a front view scale comparison of the D3100 vs the K100D.

Taking into account dimensions and weight, the portability rating of the D3100 and K100D is 68 and 64 respectively.

Typically, it's difficult to visualize the difference between sensor sizes simply by going over specifications. The pic underneath may give you a greater sense of the sensor sizing in the D3100 and K100D.

Plainly, the two cameras feature the identical sensor size but different MP. You can expect to see the Nikon D3100 to offer you more detail due to its extra 8MP. Greater resolution will also enable you to crop photos way more aggressively. The fresher D3100 should have an advantage with regard to sensor innovation.