Panasonic GM1 vs Pentax K100D

Following is a detailed comparison of the Panasonic GM1 versus Pentax K100D, former is a Entry-Level Mirrorless while the other is a Entry-Level DSLR by companies Panasonic and Pentax. There is a considerable difference between the image resolutions of the GM1 (16MP) and K100D (6MP) and the GM1 (Four Thirds) and K100D (APS-C) provide different sensor sizes.

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The GM1 was released 7 years after the K100D which is quite a large difference as far as tech is concerned. Each of the cameras feature different body design with the Panasonic GM1 being a Rangefinder-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before we go right into a thorough comparison, here is a quick view of how the GM1 grades versus the K100D with regard to portability, imaging, features and an overall score.

Below is a sample of the gallery pictures for Panasonic Lumix DMC-GM1 & Pentax K100D. The complete galleries are viewable at Panasonic GM1 Gallery & Pentax K100D Gallery.

For anybody who is looking to carry around your camera frequently, you will have to factor in its weight and volume. The Panasonic GM1 features exterior measurements of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") accompanied by a weight of 204 grams (0.45 lbs) and the Pentax K100D has sizing of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") along with a weight of 660 grams (1.46 lbs).

Compare the Panasonic GM1 versus Pentax K100D in our newest Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ dependant on the lens you are employing at that moment. Here is a front view dimension comparison of the GM1 and the K100D.

Factoring in size and weight, the portability grade of the GM1 and K100D is 93 and 64 respectively.

Often, it's hard to visualize the contrast between sensor sizes just by reading through specs. The picture underneath will give you a better sense of the sensor sizing in the GM1 and K100D.

All in all, both cameras feature different resolutions and different sensor sizes. The GM1 featuring a tinier sensor is going to make achieving shallower depth of field trickier and the Panasonic GM1 will give you more detail as a result of its extra 10 Megapixels. Greater resolution can also allow you to crop pics way more aggressively. The younger GM1 provides an edge with regard to sensor technology.