Olympus TG-320 vs Sony A7R III

Its time to look a little more closely at the Olympus TG-320 vs Sony A7R III, one is a Waterproof and the other is a Pro Mirrorless by manufacturers Olympus and Sony. There exists a crucial gap between the resolutions of the TG-320 (14MP) and A7R III (42MP) and the TG-320 (1/2.3") and A7R III (Full frame) offer totally different sensor dimensions.

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The TG-320 was brought out 6 years before the A7R III which is quite a serious gap as far as technology is concerned. Both of these cameras feature different body design with the Olympus TG-320 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before we go straight to a detailed comparison, here is a short view of how the TG-320 grades versus the A7R III in relation to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Olympus TG-320 and Sony Alpha A7R III. The entire galleries are available at Olympus TG-320 Gallery and Sony A7R III Gallery.

If you're going to travel with your camera, you are going to need to think about its weight and size. The Olympus TG-320 enjoys outside measurements of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") accompanied by a weight of 155 grams (0.34 lbs) while the Sony A7R III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs).

Look at the Olympus TG-320 vs Sony A7R III in the new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you select during that time. Here is a front view measurement comparison of the TG-320 against the A7R III.

Taking into consideration dimensions and weight, the portability rating of the TG-320 and A7R III is 94 and 63 respectively.

Quite often, it's difficult to see the gap between sensor dimensions just by checking technical specs. The image here might give you a more clear sense of the sensor measurements in the TG-320 and A7R III.

As you can tell, both the cameras come with different megapixel count and different sensor dimensions. The TG-320 due to its tinier sensor will make shooting shallow DOF trickier and the Sony A7R III will resolve extra detail having its extra 28 Megapixels. Greater resolution will also let you crop pics a good deal more aggressively. The more aged TG-320 is going to be behind with regard to sensor innovation.