Olympus TG-4 vs Sony A9

On this page, we will be reviewing the Olympus TG-4 and Sony A9, one is a Waterproof and the latter is a Pro Mirrorless by brands Olympus and Sony. There exists a crucial gap between the resolutions of the TG-4 (16MP) and A9 (24MP) and the TG-4 (1/2.3") and A9 (Full frame) posses different sensor size.

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The TG-4 was unveiled 24 months before the A9 which makes them a generation away from one another. Each of these cameras have different body design with the Olympus TG-4 being a Compact camera and the Sony A9 being a SLR-style mirrorless camera.

Before getting into a in-depth comparison, here is a brief overview of how the TG-4 scores vs the A9 when it comes to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Olympus Tough TG-4 and Sony Alpha A9. The full galleries are viewable at Olympus TG-4 Gallery and Sony A9 Gallery.

If you're going to carry around your camera regularly, you will need to factor in its weight and measurements. The Olympus TG-4 offers outer measurements 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 A9 has proportions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") with a weight of 673 grams (1.48 lbs).

Contrast the Olympus TG-4 and Sony A9 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change based on the lens you select at the time. Underneath is a front view measurement comparison of the TG-4 against the A9.

Using dimensions and weight, the portability grade of the TG-4 and A9 is 90 and 65 respectively.

More often than not, its difficult to imagine the gap between sensor sizes only by going over specs. The pic here may provide you a better sense of the sensor measurements in the TG-4 and A9.

As you can plainly see, the 2 cameras provide different resolutions and different sensor sizes. The TG-4 with its tinier sensor is going to make shooting bokeh more difficult and the Sony A9 will deliver extra detail having an extra 8 Megapixels. Higher resolution will help you crop shots more aggressively. The more aged TG-4 is going to be behind with regard to sensor tech.