Olympus TG-860 vs Sony A6400

Below, we will be evaluating the Olympus TG-860 and Sony A6400, one being a Waterproof and the latter is a Advanced Mirrorless by brands Olympus and Sony. There is a big difference between the resolutions of the TG-860 (16MP) and A6400 (24MP) and the TG-860 (1/2.3") and A6400 (APS-C) possess different sensor sizing.

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The TG-860 was launched 4 years prior to the A6400 and that is quite a big gap as far as tech is concerned. Both the cameras come with different body type with the Olympus TG-860 being a Ultracompact camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before going straight into a more detailed comparison, below is a short highlight of how the TG-860 matches up vs the A6400 in the way of portability, imaging, features and an overall rating.

The following is a preview of the gallery images for Olympus Stylus Tough TG-860 and Sony Alpha a6400. The complete galleries are viewable at Olympus TG-860 Gallery and Sony A6400 Gallery.

For those who are going to carry your camera frequently, you are going to need to consider its weight and measurements. The Olympus TG-860 has got exterior dimensions of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") accompanied by a weight of 224 grams (0.49 lbs) and the Sony A6400 has proportions of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") along with a weight of 403 grams (0.89 lbs).

Examine the Olympus TG-860 and Sony A6400 in the new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change based on the lens you select at the time. Below is the front view measurements comparison of the TG-860 compared to the A6400.

Taking into consideration size and weight, the portability rating of the TG-860 and A6400 is 91 and 83 respectively.

Generally, it is very tough to imagine the gap between sensor sizing only by reviewing technical specs. The visual below might give you a stronger sense of the sensor dimensions in the TG-860 and A6400.

As you can tell, the two cameras have got different megapixels and different sensor sizing. The TG-860 featuring a tinier sensor is going to make getting bokeh tougher and the Sony A6400 will offer greater detail utilizing its extra 8MP. Higher resolution will also help you crop shots much more aggressively. The older TG-860 is going to be disadvantaged with regard to sensor technology.