Pentax K-S2 vs Sony A6400

The following is a in-depth comparison of the Pentax K-S2 and Sony A6400, one is a Entry-Level DSLR and the latter is a Advanced Mirrorless by companies Pentax and Sony. The resolution of the K-S2 (20MP) and the A6400 (24MP) is relatively well matched and they feature the same exact sensor size (APS-C).

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The K-S2 was brought out 4 years before the A6400 which is quite a serious gap as far as tech is concerned. Each of these cameras offer different body type with the Pentax K-S2 being a Compact SLR camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before getting straight into a comprehensive comparison, below is a simple highlight of how the K-S2 grades versus the A6400 in terms of portability, imaging, features and an overall mark.

Following is a preview of the gallery photos for Pentax K-S2 and Sony Alpha a6400. The entire galleries are available at Pentax K-S2 Gallery and Sony A6400 Gallery.

For those who are intending to travel with your camera often, you're going to have to think about its weight and volume. The Pentax K-S2 has physical dimensions of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") accompanied by a weight of 678 grams (1.49 lbs) whilst the Sony A6400 has sizing of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") along with a weight of 403 grams (0.89 lbs).

Look at the Pentax K-S2 and Sony A6400 in the all new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with during that time. Here is the front view dimensions comparison of the K-S2 and the A6400.

Factoring in size and weight, the portability score of the K-S2 and A6400 is 64 and 83 respectively.

Oftentimes, it can be difficult to see the contrast between sensor dimensions only by looking at specs. The picture below will provide you a stronger sense of the sensor dimensions in the K-S2 and A6400.

All in all, both of these cameras offer the same exact sensor sizing albeit not the same resolution. You should count on the Sony A6400 to resolve greater detail having its extra 4 Megapixels. Higher resolution will also enable you to crop photographs a little more aggressively. The more aged K-S2 is going to be disadvantaged in sensor tech.