Pentax K-01 vs Sony A7R IV

The following is a in depth assessment of the Pentax K-01 vs Sony A7R IV, one is a Entry-Level Mirrorless and the latter is a Pro Mirrorless by competitors Pentax and Sony. There is a significant difference among the image resolutions of the K-01 (16MP) and A7R IV (61MP) and the K-01 (APS-C) and A7R IV (Full frame) come with totally different sensor sizing.

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The K-01 was introduced 8 years prior to the A7R IV which is a fairly sizable gap as far as camera tech is concerned. Each of the cameras come with the identical body type (SLR-style mirrorless).

Before diving in to a thorough comparison, below is a quick synopsis of how the K-01 matches up versus the A7R IV for portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Pentax K-01 and Sony Alpha A7R IV. The whole galleries are available at Pentax K-01 Gallery and Sony A7R IV Gallery.

For anyone who is intending to travel with your camera, you need to consider its weight and measurements. The Pentax K-01 has got outside measurements of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") accompanied by a weight of 561 grams (1.24 lbs) and the Sony A7R IV has proportions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs).

Check out the Pentax K-01 vs Sony A7R IV in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilizing at that moment. The following is the front view scale comparison of the K-01 against the A7R IV.

Looking at size and weight, the portability grade of the K-01 and A7R IV is 76 and 62 respectively.

Generally, it's difficult to envision the contrast in sensor dimensions merely by going through technical specs. The image here may give you a better sense of the sensor sizing in the K-01 and A7R IV.

As you can tell, both of these cameras posses different megapixel count and different sensor dimensions. The K-01 having a smaller sensor will make shooting shallower DOF more difficult and the Sony A7R IV will show greater detail using its extra 45 Megapixels. Higher resolution will allow you to crop pictures somewhat more aggressively. The more aged K-01 will be behind with regard to sensor technology.