Pentax K-70 vs Sony A7R IV

Following is a detailed assessment of the Pentax K-70 and Sony A7R IV, former is a Entry-Level DSLR while the other is a Pro Mirrorless by manufacturers Pentax and Sony. There is a substantial difference between the sensor resolutions of the K-70 (24MP) and A7R IV (61MP) and the K-70 (APS-C) and A7R IV (Full frame) boast different sensor sizing.

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The K-70 was launched 4 years earlier than the A7R IV which is quite a big difference as far as tech is concerned. Both of these cameras feature different body design with the Pentax K-70 being a Compact SLR camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before diving straight to a complete comparison, here is a quick summation of how the K-70 grades vs the A7R IV in regards to portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Pentax K-70 & Sony Alpha A7R IV. The complete galleries are provided at Pentax K-70 Gallery & Sony A7R IV Gallery.

If you are going to carry around your camera, you should take into account its weight and size. The Pentax K-70 comes with physical dimensions of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") accompanied by a weight of 688 grams (1.52 lbs) while the Sony A7R IV has specifications of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs).

Compare the Pentax K-70 and Sony A7R IV in our completely new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ depending on the lens you are using during that time. Below is a front view measurements comparison of the K-70 compared to the A7R IV.

Considering size and weight, the portability grade of the K-70 and A7R IV is 62 and 62 respectively.

Usually, it can be tough to picture the contrast between sensor sizes merely by reviewing a spec sheet. The picture underneath will provide you a stronger sense of the sensor sizes in the K-70 and A7R IV.

Clearly, both of the cameras feature different megapixels and different sensor sizes. The K-70 featuring a tinier sensor is going to make getting shallow DOF harder and the Sony A7R IV will deliver more detail utilizing its extra 37MP. Greater resolution will allow you to crop photos way more aggressively. The more aged K-70 is going to be behind with regard to sensor technology.