Pentax K-S1 vs Sony A6400

On this page, we will be contrasting the Pentax K-S1 and Sony A6400, former is a Advanced DSLR while the latter is a Advanced Mirrorless by companies Pentax and Sony. The sensor resolution of the K-S1 (20MP) and the A6400 (24MP) is relatively similar and both cameras posses the same sensor dimensions (APS-C).

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The K-S1 was manufactured 5 years prior to the A6400 which is quite a serious difference as far as technology is concerned. Both of the cameras have different body design with the Pentax K-S1 being a Mid-size SLR camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before getting straight to a in-depth comparison, here is a concise view of how the K-S1 scores versus the A6400 in terms of portability, imaging, features and an overall mark.

This is a preview of the gallery photos for Pentax K-S1 & Sony Alpha a6400. The entire galleries are available at Pentax K-S1 Gallery & Sony A6400 Gallery.

If you're going to travel with your camera regularly, you should think about its weight and volume. The Pentax K-S1 has got exterior dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs) and the Sony A6400 has sizing of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") accompanied by a weight of 403 grams (0.89 lbs).

Examine the Pentax K-S1 and Sony A6400 in our brand new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary dependant on the lens you are working with at that time. The following is a front view overall size comparison of the K-S1 and the A6400.

Taking into account dimensions and weight, the portability rating of the K-S1 and A6400 is 69 and 83 respectively.

Sometimes, it is very hard to imagine the contrast between sensor dimensions purely by reading specs. The picture below will give you a greater sense of the sensor dimensions in the K-S1 and A6400.

As you can plainly see, both of those cameras have the same sensor dimensions albeit different MP. You can count on the Sony A6400 to deliver greater detail due to its extra 4MP. Higher resolution can also make it easier to crop pictures a bit more aggressively. The more aged K-S1 is going to be behind when it comes to sensor technology.