Olympus TG-630 iHS vs Sony A7R III

Below is a extensive overview of the Olympus TG-630 iHS and Sony A7R III, one being a Waterproof and the other is a Pro Mirrorless by competitors Olympus and Sony. There exists a huge gap among the sensor resolutions of the TG-630 iHS (12MP) and A7R III (42MP) and the TG-630 iHS (1/2.3") and A7R III (Full frame) have different sensor sizing.

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The TG-630 iHS was manufactured 5 years earlier than the A7R III and that is a fairly significant gap as far as camera technology is concerned. The two cameras have different body design with the Olympus TG-630 iHS being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before we go straight to a step-by-step comparison, here is a concise overview of how the TG-630 iHS grades vs the A7R III with regard to portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Olympus TG-630 iHS and Sony Alpha A7R III. The entire galleries are viewable at Olympus TG-630 iHS Gallery and Sony A7R III Gallery.

For those who are aiming to lug around your camera, you're going to have to think about its weight and size. The Olympus TG-630 iHS features physical measurements of 98mm x 66mm x 22mm (3.9" x 2.6" x 0.9") and a weight of 167 grams (0.37 lbs) while 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).

Check out the Olympus TG-630 iHS and Sony A7R III in the latest Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at the time. Underneath is a front view measurement comparison of the TG-630 iHS versus the A7R III.

Considering dimensions and weight, the portability score of the TG-630 iHS and A7R III is 94 and 63 respectively.

Sometimes, it is difficult to picture the gap in sensor measurements purely by viewing a spec sheet. The graphic here should offer you a better sense of the sensor measurements in the TG-630 iHS and A7R III.

Clearly, both the cameras have different megapixel count and different sensor measurements. The TG-630 iHS because of its smaller sensor is going to make getting shallower DOF trickier and the Sony A7R III will result in greater detail due to its extra 30MP. Greater resolution will also help you crop images a bit more aggressively. The older TG-630 iHS will be disadvantaged when it comes to sensor tech.