Pentax P80 vs Sony A7R IV

Its time to take a more detailed look at the Pentax P80 versus Sony A7R IV, former being a Small Sensor Compact while the other is a Pro Mirrorless by rivals Pentax and Sony. There is a noticeable difference between the image resolutions of the P80 (12MP) and A7R IV (61MP) and the P80 (1/2.3") and A7R IV (Full frame) boast totally different sensor sizing.

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The P80 was released 11 years earlier than the A7R IV and that is quite a sizable difference as far as tech is concerned. The two cameras feature different body design with the Pentax P80 being a Compact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before we go into a step-by-step comparison, here is a simple overview of how the P80 scores vs the A7R IV for portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Pentax Optio P80 & Sony Alpha A7R IV. The complete galleries are provided at Pentax P80 Gallery & Sony A7R IV Gallery.

For anybody who is aiming to lug around your camera often, you should factor its weight and measurements. The Pentax P80 comes with physical measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") with a weight of 125 grams (0.28 lbs) and the Sony A7R IV has proportions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") and a weight of 665 grams (1.47 lbs).

Analyze the Pentax P80 versus Sony A7R IV in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change based on the lens you select at that moment. Below is a front view over all size comparison of the P80 against the A7R IV.

Using size and weight, the portability score of the P80 and A7R IV is 95 and 62 respectively.

In many cases, it's hard to see the gap between sensor measurements merely by reading through specs. The visual below might provide you a more clear sense of the sensor sizing in the P80 and A7R IV.

As you can plainly see, the two cameras come with different resolutions and different sensor measurements. The P80 featuring a tinier sensor will make shooting shallower DOF more challenging and the Sony A7R IV will give you greater detail as a result of its extra 49MP. Greater resolution will also help you crop images a good deal more aggressively. The older P80 is going to be disadvantaged when it comes to sensor innovation.