Sony A7 III vs Sony T90

Below, we will be analyzing the Sony A7 III and Sony T90, former being a Pro Mirrorless while the latter is a Ultracompact and both of them are offered by Sony. There exists a sizable gap among the image resolutions of the A7 III (24MP) and T90 (12MP) and the A7 III (Full frame) and T90 (1/2.3") feature different sensor dimensions.

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The A7 III was brought out 9 years later than the T90 and that is a fairly significant difference as far as camera technology is concerned. The two cameras come with different body type with the Sony A7 III being a SLR-style mirrorless camera and the Sony T90 being a Ultracompact camera.

Before diving straight into a thorough comparison, below is a short highlight of how the A7 III matches up against the T90 in regards to portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Sony Alpha A7 III & Sony Cyber-shot DSC-T90. The entire galleries are available at Sony A7 III Gallery & Sony T90 Gallery.

For anyone who is intending to carry your camera, you have to factor in its weight and size. The Sony A7 III enjoys external dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs) whilst the Sony T90 has specifications of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") having a weight of 148 grams (0.33 lbs).

Contrast the Sony A7 III and Sony T90 in our completely new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ based on the lens you have attached during that time. Below is the front view size comparison of the A7 III against the T90.

Using dimensions and weight, the portability rating of the A7 III and T90 is 63 and 96 respectively.

More often than not, it's difficult to visualize the difference in sensor sizing merely by going through specifications. The graphic below will help give you a stronger sense of the sensor dimensions in the A7 III and T90.

Plainly, the 2 cameras posses different megapixels and different sensor sizing. The A7 III due to its bigger sensor is going to make achieving shallow DOF simpler and the Sony A7 III will produce more detail having its extra 12 Megapixels. Higher resolution will also let you crop photographs somewhat more aggressively. The fresher A7 III provides an advantage in sensor innovation.