Pentax W80 vs Sony A7R III

The following is a in depth comparison of the Pentax W80 and Sony A7R III, former is a Small Sensor Compact while the latter is a Pro Mirrorless by rivals Pentax and Sony. There exists a substantial gap between the resolutions of the W80 (12MP) and A7R III (42MP) and the W80 (1/2.3") and A7R III (Full frame) enjoy totally different sensor measurements.

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The W80 was brought out 9 years earlier than the A7R III which is quite a big difference as far as technology is concerned. Both cameras come with different body type with the Pentax W80 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before going in to a step-by-step comparison, below is a short synopsis of how the W80 scores versus the A7R III with regards to portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Pentax Optio W80 & Sony Alpha A7R III. The entire galleries are viewable at Pentax W80 Gallery & Sony A7R III Gallery.

For anybody who is aiming to travel with your camera frequently, you'll need to consider its weight and size. The Pentax W80 comes with outer dimensions of 100mm x 56mm x 25mm (3.9" x 2.2" x 1.0") along with a weight of 156 grams (0.34 lbs) and the Sony A7R III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs).

Take a look at the Pentax W80 and Sony A7R III in our completely new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will differ depending on the lens you have at that time. The following is the front view physical size comparison of the W80 compared to the A7R III.

Considering dimensions and weight, the portability grade of the W80 and A7R III is 94 and 63 respectively.

Quite often, it's tough to envision the contrast between sensor dimensions simply by looking at specs. The image below should offer you a stronger sense of the sensor dimensions in the W80 and A7R III.

As you can plainly see, the two cameras have got different megapixel count and different sensor dimensions. The W80 featuring a tinier sensor will make achieving shallower DOF more difficult and the Sony A7R III will resolve greater detail having its extra 30MP. Higher resolution will also enable you to crop photographs much more aggressively. The more aged W80 is going to be behind when it comes to sensor tech.