Pentax K-1 II vs Sony A9

On this page, we will be reviewing the Pentax K-1 II and Sony A9, former is a Advanced DSLR while the latter is a Pro Mirrorless by brands Pentax and Sony. There exists a considerable gap among the resolutions of the K-1 II (36MP) and A9 (24MP) but both cameras provide the same sensor sizes (Full frame).

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The K-1 II was manufactured 11 months after the A9 which means that they are of a similar age. Both of the cameras have different body design with the Pentax K-1 II being a Mid-size SLR camera and the Sony A9 being a SLR-style mirrorless camera.

Before delving right into a more detailed comparison, here is a short overview of how the K-1 II grades versus the A9 for portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Pentax K-1 Mark II & Sony Alpha A9. The entire galleries are available at Pentax K-1 II Gallery & Sony A9 Gallery.

For anybody who is planning to travel with your camera, you will have to factor its weight and measurements. The Pentax K-1 II offers exterior dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") and a weight of 1010 grams (2.23 lbs) and the Sony A9 has proportions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") having a weight of 673 grams (1.48 lbs).

Compare the Pentax K-1 II and Sony A9 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ based on the lens you have chosen at the time. The following is a front view measurements comparison of the K-1 II against the A9.

Considering dimensions and weight, the portability score of the K-1 II and A9 is 55 and 65 respectively.

Typically, it's hard to see the gap in sensor dimensions simply by looking through technical specs. The picture below will help provide you a much better sense of the sensor sizes in the K-1 II and A9.

As you can tell, the two cameras provide the same sensor dimensions albeit not the same MP. You can expect the Pentax K-1 II to render extra detail due to its extra 12MP. Higher resolution can also allow you to crop shots more aggressively. The more recent K-1 II will have a benefit in sensor technology.