Pentax K-3 II vs Sony A6100

Let's take a closer look at the Pentax K-3 II vs Sony A6100, one is a Advanced DSLR and the latter is a Advanced Mirrorless by rivals Pentax and Sony. The image resolution of the K-3 II (24MP) and the A6100 (24MP) is relatively well matched and both cameras boast the same sensor sizing (APS-C).

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The K-3 II was announced 5 years prior to the A6100 which is quite a large gap as far as tech is concerned. Both of the cameras have different body design with the Pentax K-3 II being a Mid-size SLR camera and the Sony A6100 being a Rangefinder-style mirrorless camera.

Before delving straight to a complete comparison, here is a quick summation of how the K-3 II grades vs the A6100 with respect to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Pentax K-3 II and Sony Alpha a6100. The whole galleries are viewable at Pentax K-3 II Gallery and Sony A6100 Gallery.

When you are going to carry around your camera often, you need to factor in its weight and proportions. The Pentax K-3 II features exterior 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) whilst the Sony A6100 has measurements of 120mm x 67mm x 59mm (4.7" x 2.6" x 2.3") having a weight of 396 grams (0.87 lbs).

Check the Pentax K-3 II vs Sony A6100 in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen during that time. The following is a front view physical size comparison of the K-3 II versus the A6100.

Looking at size and weight, the portability rating of the K-3 II and A6100 is 59 and 81 respectively.

Oftentimes, it's difficult to visualize the contrast between sensor sizes simply by checking specs. The picture underneath might give you a much better sense of the sensor dimensions in the K-3 II and A6100.

As you can plainly see, both cameras provide the same sensor dimensions and the exact same megapixels therefore you should expect similar quality of photographs but you may want to consider the release date of the products into consideration. The more aged K-3 II is going to be disadvantaged when it comes to sensor innovation.