Pentax K-01 vs Sony A7R II

On this page, we will be looking at the Pentax K-01 vs Sony A7R II, one being a Entry-Level Mirrorless and the latter is a Pro Mirrorless by brands Pentax and Sony. There is a significant difference between the resolutions of the K-01 (16MP) and A7R II (42MP) and the K-01 (APS-C) and A7R II (Full frame) offer totally different sensor measurements.

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The K-01 was released 4 years before the A7R II and that is quite a sizable gap as far as tech is concerned. Both cameras have the same body design (SLR-style mirrorless).

Before getting into a thorough comparison, here is a quick summary of how the K-01 scores vs the A7R II for portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Pentax K-01 and Sony Alpha A7R II. The complete galleries are available at Pentax K-01 Gallery and Sony A7R II Gallery.

For those who are planning to carry your camera, you'll have to factor in its weight and measurements. The Pentax K-01 has got exterior dimensions of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") having a weight of 561 grams (1.24 lbs) while the Sony A7R II has proportions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") and a weight of 625 grams (1.38 lbs).

Compare the Pentax K-01 vs Sony A7R II in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you use at that moment. Underneath is a front view proportions comparison of the K-01 versus the A7R II.

Using size and weight, the portability score of the K-01 and A7R II is 76 and 68 respectively.

Oftentimes, it is difficult to envision the gap between sensor sizing purely by checking technical specs. The graphic underneath might offer you a more clear sense of the sensor dimensions in the K-01 and A7R II.

As you have seen, both of these cameras have different resolutions and different sensor sizing. The K-01 due to its tinier sensor will make achieving bokeh trickier and the Sony A7R II will give you greater detail as a result of its extra 26MP. Higher resolution can also let you crop photographs a bit more aggressively. The older K-01 is going to be disadvantaged in sensor tech.