Pentax K-3 vs Pentax K-x

Following is a complete analysis of the Pentax K-3 vs Pentax K-x, one is a Advanced DSLR and the latter is a Entry-Level DSLR and they are both built by Pentax. There exists a huge gap between the resolutions of the K-3 (24MP) and K-x (12MP) but they use the exact same sensor sizing (APS-C).

Photography Glossary

The K-3 was announced 4 years after the K-x which is quite a significant gap as far as technology is concerned. Each of the cameras come with different body type with the Pentax K-3 being a Mid-size SLR camera and the Pentax K-x being a Compact SLR camera.

Before going through a step-by-step comparison, below is a short summary of how the K-3 scores against the K-x in terms of portability, imaging, features and an overall score.

The following is a preview of the gallery images for Pentax K-3 and Pentax K-x. The whole galleries are viewable at Pentax K-3 Gallery and Pentax K-x Gallery.

For those who are going to carry around your camera often, you need to factor in its weight and dimensions. The Pentax K-3 comes with external dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs) while the Pentax K-x has dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs).

Take a look at the Pentax K-3 vs Pentax K-x in the new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached at that time. Here is the front view dimensions comparison of the K-3 compared to the K-x.

Taking into account dimensions and weight, the portability score of the K-3 and K-x is 59 and 69 respectively.

More often than not, it can be tough to picture the contrast between sensor sizes just by reviewing a spec sheet. The picture underneath will give you a more clear sense of the sensor sizes in the K-3 and K-x.

As you can see, both the cameras posses the exact same sensor measurements albeit different MP. You should expect the Pentax K-3 to offer more detail with its extra 12MP. Higher resolution can also enable you to crop shots somewhat more aggressively. The fresher K-3 should have an advantage in sensor technology.