Olympus TG-1 iHS vs Sony A7 III

Let's look much closer at the Olympus TG-1 iHS vs Sony A7 III, one is a Waterproof and the latter is a Pro Mirrorless by rivals Olympus and Sony. There exists a huge gap between the sensor resolutions of the TG-1 iHS (12MP) and A7 III (24MP) and the TG-1 iHS (1/2.3") and A7 III (Full frame) enjoy totally different sensor dimensions.

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The TG-1 iHS was revealed 6 years before the A7 III which is quite a significant gap as far as technology is concerned. Both of the cameras offer different body type with the Olympus TG-1 iHS being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before diving straight into a step-by-step comparison, below is a short view of how the TG-1 iHS matches up versus the A7 III with regard to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Olympus Tough TG-1 iHS and Sony Alpha A7 III. The full galleries are provided at Olympus TG-1 iHS Gallery and Sony A7 III Gallery.

For anyone who is looking to carry around your camera frequently, you're going to have to consider its weight and proportions. The Olympus TG-1 iHS comes with exterior measurements of 112mm x 67mm x 30mm (4.4" x 2.6" x 1.2") along with a weight of 230 grams (0.51 lbs) and the Sony A7 III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Check the Olympus TG-1 iHS vs Sony A7 III in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you choose at that moment. Following is the front view overall size comparison of the TG-1 iHS vs the A7 III.

Taking into account dimensions and weight, the portability grade of the TG-1 iHS and A7 III is 91 and 63 respectively.

More often than not, it is difficult to envision the gap between sensor sizes just by reading through a spec sheet. The picture underneath may give you a stronger sense of the sensor measurements in the TG-1 iHS and A7 III.

Clearly, both of those cameras enjoy different megapixel count and different sensor sizes. The TG-1 iHS using its tinier sensor will make achieving shallower depth of field more difficult and the Sony A7 III will give you extra detail because of its extra 12 Megapixels. Higher resolution can also make it easier to crop pictures far more aggressively. The more aged TG-1 iHS is going to be disadvantaged with regard to sensor technology.