Sony A7R vs Sony T90

In this write-up, we are analyzing the Sony A7R and Sony T90, former is a Pro Mirrorless while the other is a Ultracompact and both are created by Sony. There is a substantial difference between the resolutions of the A7R (36MP) and T90 (12MP) and the A7R (Full frame) and T90 (1/2.3") use totally different sensor measurements.

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The A7R was announced 5 years after the T90 which is quite a big difference as far as tech is concerned. Both the cameras offer different body type with the Sony A7R being a SLR-style mirrorless camera and the Sony T90 being a Ultracompact camera.

Before getting through a thorough comparison, below is a simple view of how the A7R grades vs the T90 in relation to portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Sony Alpha A7R & Sony Cyber-shot DSC-T90. The whole galleries are viewable at Sony A7R Gallery & Sony T90 Gallery.

If you're going to travel with your camera often, you will want to factor in its weight and measurements. The Sony A7R has outer measurements of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 465 grams (1.03 lbs) while the Sony T90 has proportions of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") and a weight of 148 grams (0.33 lbs).

Check out the Sony A7R and Sony T90 in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary dependant on the lens you have at that time. Below is the front view measurement comparison of the A7R versus the T90.

Using size and weight, the portability rating of the A7R and T90 is 78 and 96 respectively.

Oftentimes, it's difficult to see the difference between sensor dimensions merely by reading through specifications. The pic below will give you a stronger sense of the sensor sizing in the A7R and T90.

To sum up, both the cameras offer different resolutions and different sensor dimensions. The A7R with its larger sensor will make getting bokeh easier and the Sony A7R will give you greater detail with its extra 24 Megapixels. Greater resolution can also make it easier to crop images a little more aggressively. The younger A7R will have an advantage when it comes to sensor technology.