Pentax K-S1 vs Sony RX10 IV

Following is a thorough review of the Pentax K-S1 and Sony RX10 IV, former is a Advanced DSLR while the other is a Large Sensor Superzoom by manufacturers Pentax and Sony. The image resolution of the K-S1 (20MP) and the RX10 IV (20MP) is very similar but the K-S1 (APS-C) and RX10 IV (1") feature totally different sensor size.

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The K-S1 was released 4 years prior to the RX10 IV which is quite a serious difference as far as tech is concerned. Both of the cameras offer different body type with the Pentax K-S1 being a Mid-size SLR camera and the Sony RX10 IV being a SLR-like (bridge) camera.

Before we go through a in-depth comparison, below is a short view of how the K-S1 grades versus the RX10 IV for portability, imaging, features and an overall score.

This is a sample of the gallery pics for Pentax K-S1 & Sony Cyber-shot DSC-RX10 IV. The complete galleries are provided at Pentax K-S1 Gallery & Sony RX10 IV Gallery.

If you're going to carry around your camera, you're going to have to factor in its weight and proportions. The Pentax K-S1 enjoys exterior measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs) while the Sony RX10 IV has measurements of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") and a weight of 1095 grams (2.41 lbs).

Look at the Pentax K-S1 and Sony RX10 IV in our completely new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will vary depending on the lens you are using at that moment. The following is the front view measurement comparison of the K-S1 and the RX10 IV.

Factoring in size and weight, the portability rating of the K-S1 and RX10 IV is 69 and 52 respectively.

Generally, its hard to envision the gap between sensor sizes only by reading specs. The picture here will offer you a greater sense of the sensor measurements in the K-S1 and RX10 IV.

As you can plainly see, the two cameras offer the same exact MP but not the same sensor sizes. The K-S1 offers the larger sensor which is going to make achieving shallow depth of field less difficult. The more aged K-S1 is going to be disadvantaged in sensor technology.