Olympus TG-4 vs Sony A6400

In this write-up, we will be reviewing the Olympus TG-4 versus Sony A6400, former being a Waterproof while the latter is a Advanced Mirrorless by brands Olympus and Sony. There exists a large gap between the image resolutions of the TG-4 (16MP) and A6400 (24MP) and the TG-4 (1/2.3") and A6400 (APS-C) possess different sensor sizing.

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The TG-4 was announced 4 years before the A6400 and that is quite a serious difference as far as technology is concerned. Both of these cameras offer different body type with the Olympus TG-4 being a Compact camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before delving straight into a more detailed comparison, below is a brief summary of how the TG-4 grades versus the A6400 in terms of portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Olympus Tough TG-4 & Sony Alpha a6400. The whole galleries are provided at Olympus TG-4 Gallery & Sony A6400 Gallery.

When you are looking to carry your camera frequently, you'll need to take into account its weight and size. The Olympus TG-4 comes with physical measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") having a weight of 247 grams (0.54 lbs) while the Sony A6400 has specifications of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") having a weight of 403 grams (0.89 lbs).

Check out the Olympus TG-4 versus Sony A6400 in our newest Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ dependant on the lens you select at that time. Underneath is the front view dimensions comparison of the TG-4 against the A6400.

Using dimensions and weight, the portability rating of the TG-4 and A6400 is 90 and 83 respectively.

Typically, it is difficult to imagine the difference between sensor sizing only by going over specifications. The visual underneath may give you a clearer sense of the sensor measurements in the TG-4 and A6400.

To sum up, each of these cameras offer different resolutions and different sensor sizing. The TG-4 using its tinier sensor is going to make shooting bokeh harder and the Sony A6400 will offer you extra detail with its extra 8 Megapixels. Higher resolution can also allow you to crop shots a little more aggressively. The older TG-4 is going to be behind in sensor innovation.