Pentax K100D vs Pentax P70

Here, we are contrasting the Pentax K100D and Pentax P70, former being a Entry-Level DSLR while the other is a Ultracompact and both are sold by Pentax. There is a sizable difference among the sensor resolutions of the K100D (6MP) and P70 (12MP) and the K100D (APS-C) and P70 (1/2.3") offer totally different sensor dimensions.

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The K100D was introduced 3 years prior to the P70 and that is a fairly significant difference as far as camera tech is concerned. Both the cameras feature different body design with the Pentax K100D being a Compact SLR camera and the Pentax P70 being a Ultracompact camera.

Before diving straight to a detailed comparison, here is a short synopsis of how the K100D matches up versus the P70 in relation to portability, imaging, features and an overall grade.

Here is a sample of the gallery pics for Pentax K100D & Pentax Optio P70. The whole galleries are available at Pentax K100D Gallery & Pentax P70 Gallery.

If you are aiming to lug around your camera regularly, you'll have to factor in its weight and dimensions. The Pentax K100D enjoys exterior measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs) while the Pentax P70 has dimensions of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") along with a weight of 155 grams (0.34 lbs).

Check the Pentax K100D and Pentax P70 in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change dependant on the lens you select during that time. Below is a front view dimensions comparison of the K100D vs the P70.

Taking into consideration size and weight, the portability score of the K100D and P70 is 64 and 95 respectively.

Usually, it's difficult to envision the contrast in sensor measurements merely by going through specs. The visual here will help give you a stronger sense of the sensor measurements in the K100D and P70.

All in all, both of these cameras come with different megapixels and different sensor measurements. The K100D having a larger sensor will make shooting bokeh easier and the Pentax P70 will show extra detail using its extra 6MP. Greater resolution will also let you crop photos a good deal more aggressively. The older K100D will be disadvantaged when it comes to sensor technology.