Olympus TG-4 vs Sony A7R IV

Here, we will be analyzing the Olympus TG-4 and Sony A7R IV, one is a Waterproof and the latter is a Pro Mirrorless by companies Olympus and Sony. There exists a crucial gap among the sensor resolutions of the TG-4 (16MP) and A7R IV (61MP) and the TG-4 (1/2.3") and A7R IV (Full frame) posses totally different sensor sizing.

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The TG-4 was brought out 5 years before the A7R IV which is a fairly serious gap as far as camera technology is concerned. Both of these cameras feature different body design with the Olympus TG-4 being a Compact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before we go right into a detailed comparison, here is a simple highlight of how the TG-4 grades against the A7R IV for portability, imaging, features and an overall score.

This is a preview of the gallery photos for Olympus Tough TG-4 and Sony Alpha A7R IV. The entire galleries are viewable at Olympus TG-4 Gallery and Sony A7R IV Gallery.

For anybody who is looking to carry around your camera regularly, you have to factor in its weight and dimensions. The Olympus TG-4 provides exterior dimensions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") with a weight of 247 grams (0.54 lbs) and the Sony A7R IV has dimensions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") with a weight of 665 grams (1.47 lbs).

Analyze the Olympus TG-4 and Sony A7R IV in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilising at that moment. Underneath is a front view dimension comparison of the TG-4 against the A7R IV.

Considering dimensions and weight, the portability rating of the TG-4 and A7R IV is 90 and 62 respectively.

More often than not, it is tough to visualise the difference in sensor sizes purely by going through a spec sheet. The picture underneath may provide you a more clear sense of the sensor sizes in the TG-4 and A7R IV.

Clearly, each of these cameras feature different resolutions and different sensor sizes. The TG-4 because of its smaller sensor will make achieving shallower depth of field more difficult and the Sony A7R IV will provide more detail having its extra 45MP. Higher resolution will make it easier to crop pictures way more aggressively. The more aged TG-4 will be disadvantaged with regard to sensor innovation.