Pentax WG-10 vs Sony A7 III

The following is a thorough overview of the Pentax WG-10 vs Sony A7 III, one is a Waterproof and the latter is a Pro Mirrorless by rivals Pentax and Sony. There is a significant difference among the sensor resolutions of the WG-10 (14MP) and A7 III (24MP) and the WG-10 (1/2.3") and A7 III (Full frame) posses totally different sensor sizes.

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The WG-10 was revealed 5 years earlier than the A7 III which is a fairly sizable gap as far as camera tech is concerned. Both of the cameras have different body design with the Pentax WG-10 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before we go straight to a in-depth comparison, here is a short synopsis of how the WG-10 scores vs the A7 III in terms of portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Pentax WG-10 and Sony Alpha A7 III. The full galleries are provided at Pentax WG-10 Gallery and Sony A7 III Gallery.

For those who are planning to travel with your camera regularly, you are going to need to factor in its weight and dimensions. The Pentax WG-10 has got outer measurements of 116mm x 59mm x 29mm (4.6" x 2.3" x 1.1") with a weight of 167 grams (0.37 lbs) and the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs).

Compare the Pentax WG-10 vs Sony A7 III in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached during that time. Following is a front view physical size comparison of the WG-10 compared to the A7 III.

Using size and weight, the portability grade of the WG-10 and A7 III is 93 and 63 respectively.

Often, its difficult to see the contrast in sensor dimensions only by looking through technical specs. The picture below should give you a more clear sense of the sensor sizing in the WG-10 and A7 III.

As you can tell, the 2 cameras have different megapixel count and different sensor dimensions. The WG-10 with its smaller sensor will make getting shallower depth of field trickier and the Sony A7 III will render more detail because of its extra 10MP. Higher resolution can also make it easier to crop shots a bit more aggressively. The more aged WG-10 will be behind with regard to sensor innovation.