Olympus TG-4 vs Sony A7R

Below, we are matching up the Olympus TG-4 vs Sony A7R, one being a Waterproof and the other is a Pro Mirrorless by manufacturers Olympus and Sony. There is a huge difference among the image resolutions of the TG-4 (16MP) and A7R (36MP) and the TG-4 (1/2.3") and A7R (Full frame) enjoy different sensor sizing.

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The TG-4 was announced 15 months later than the A7R making the cameras a generation apart from each other. Each of the cameras come with different body type with the Olympus TG-4 being a Compact camera and the Sony A7R being a SLR-style mirrorless camera.

Before diving through a thorough comparison, below is a concise summary of how the TG-4 grades versus the A7R with regard to portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Olympus Tough TG-4 and Sony Alpha A7R. The whole galleries are available at Olympus TG-4 Gallery and Sony A7R Gallery.

If you're planning to lug around your camera, you will need to take into account its weight and volume. The Olympus TG-4 enjoys 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) and the Sony A7R has sizing of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 465 grams (1.03 lbs).

Take a look at the Olympus TG-4 vs Sony A7R in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you have at the time. Below is the front view scale comparison of the TG-4 and the A7R.

Using size and weight, the portability rating of the TG-4 and A7R is 90 and 78 respectively.

In many cases, it can be difficult to visualize the gap in sensor measurements merely by viewing specifications. The visual here will provide you a more clear sense of the sensor measurements in the TG-4 and A7R.

Plainly, both cameras have got different megapixel count and different sensor measurements. The TG-4 using its smaller sensor is going to make achieving shallow DOF harder and the Sony A7R will render extra detail with its extra 20 Megapixels. Greater resolution can also enable you to crop photos much more aggressively. The newer TG-4 should have a benefit when it comes to sensor technology.