Pentax K-3 III vs Samsung GX-20

In this article, we will be evaluating the Pentax K-3 III vs Samsung GX-20, both Advanced DSLR cameras by competitors Pentax and Samsung. There is a sizable difference among the image resolutions of the K-3 III (26MP) and GX-20 (15MP) but they come with the same exact sensor measurements (APS-C).

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The K-3 III was announced 13 years after the GX-20 which is a fairly significant difference as far as camera tech is concerned. Both the cameras offer the identical body type (Mid-size SLR).

Before delving straight into a more detailed comparison, below is a quick highlight of how the K-3 III matches up vs the GX-20 in the way of portability, imaging, features and an overall score.

Below is a preview of the gallery images for Pentax K-3 Mark III & Samsung GX-20. The whole galleries are available at Pentax K-3 III Gallery & Samsung GX-20 Gallery.

In case you're aiming to carry around your camera regularly, you will want to take into account its weight and size. The Pentax K-3 III has got exterior dimensions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") with a weight of 820 grams (1.81 lbs) while the Samsung GX-20 has specifications of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).

Look at the Pentax K-3 III vs Samsung GX-20 in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change depending on the lens you use at the time. Following is the front view over all size comparison of the K-3 III and the GX-20.

Looking at size and weight, the portability grade of the K-3 III and GX-20 is 58 and 58 respectively.

In many cases, it can be difficult to envision the difference in sensor sizes just by researching specifications. The picture below may offer you a better sense of the sensor dimensions in the K-3 III and GX-20.

Plainly, the 2 cameras enjoy the same exact sensor sizing albeit not the same resolution. You can expect the Pentax K-3 III to provide you with more detail with its extra 11MP. Higher resolution will allow you to crop shots far more aggressively. The fresher K-3 III is going to have an advantage when it comes to sensor technology.