Pentax K-S1 vs Pentax K-x

Let's look a bit more in depth at the Pentax K-S1 and Pentax K-x, one is a Advanced DSLR and the latter is a Entry-Level DSLR and both are sold by Pentax. There exists a significant gap among the image resolutions of the K-S1 (20MP) and K-x (12MP) but they possess the same exact sensor sizing (APS-C).

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The K-S1 was announced 4 years after the K-x which is a fairly sizable gap as far as camera technology is concerned. Both of the cameras offer different body type with the Pentax K-S1 being a Mid-size SLR camera and the Pentax K-x being a Compact SLR camera.

Before delving through a thorough comparison, below is a simple summary of how the K-S1 matches up vs the K-x when it comes to portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Pentax K-S1 and Pentax K-x. The whole galleries are provided at Pentax K-S1 Gallery and Pentax K-x Gallery.

When you are intending to carry around your camera frequently, you have to take into account its weight and proportions. The Pentax K-S1 features outside 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 Pentax K-x has measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs).

Take a look at the Pentax K-S1 and Pentax K-x in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have at the time. Following is the front view measurement comparison of the K-S1 compared to the K-x.

Taking into consideration dimensions and weight, the portability grade of the K-S1 and K-x is 69 and 69 respectively.

Normally, its hard to imagine the difference in sensor sizes purely by checking out specs. The picture below may provide you a stronger sense of the sensor sizes in the K-S1 and K-x.

As you can plainly see, each of the cameras enjoy the same exact sensor sizing albeit different resolution. You should count on the Pentax K-S1 to show greater detail with its extra 8 Megapixels. Higher resolution can also let you crop pictures far more aggressively. The more modern K-S1 should have an advantage in sensor tech.