Pentax E90 vs Sony A7 III

Let's look more in depth at the Pentax E90 and Sony A7 III, one is a Small Sensor Compact and the latter is a Pro Mirrorless by rivals Pentax and Sony. There exists a crucial gap among the image resolutions of the E90 (10MP) and A7 III (24MP) and the E90 (1/2.3") and A7 III (Full frame) posses different sensor sizing.

Photography Glossary

The E90 was unveiled 9 years prior to the A7 III which is a fairly serious gap as far as camera technology is concerned. Both of the cameras have different body design with the Pentax E90 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before getting straight to a detailed comparison, here is a concise summary of how the E90 grades versus the A7 III in regards to portability, imaging, features and an overall mark.

Here is a preview of the gallery photos for Pentax Optio E90 and Sony Alpha A7 III. The full galleries are available at Pentax E90 Gallery and Sony A7 III Gallery.

For anybody who is planning to travel with your camera often, you are going to need to factor its weight and measurements. The Pentax E90 enjoys outer measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") having a weight of 145 grams (0.32 lbs) whilst the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs).

Contrast the Pentax E90 and Sony A7 III in the all new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you are using during that time. Following is a front view measurement comparison of the E90 versus the A7 III.

Considering dimensions and weight, the portability score of the E90 and A7 III is 94 and 63 respectively.

Typically, it is very difficult to picture the difference in sensor dimensions merely by going through technical specs. The image here will help offer you a greater sense of the sensor measurements in the E90 and A7 III.

As you have seen, each of these cameras have different resolutions and different sensor dimensions. The E90 with its smaller sensor is going to make achieving shallow depth of field harder and the Sony A7 III will show greater detail having an extra 14 Megapixels. Higher resolution will enable you to crop pictures a bit more aggressively. The more aged E90 will be behind when it comes to sensor innovation.