Sony A7R IV vs Sony T90

In this article, we are evaluating the Sony A7R IV vs Sony T90, one is a Pro Mirrorless and the other is a Ultracompact and both are designed by Sony. There exists a crucial gap among the resolutions of the A7R IV (61MP) and T90 (12MP) and the A7R IV (Full frame) and T90 (1/2.3") feature different sensor sizes.

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The A7R IV was introduced 10 years after the T90 which is a fairly serious gap as far as camera technology is concerned. Both cameras offer different body type with the Sony A7R IV being a SLR-style mirrorless camera and the Sony T90 being a Ultracompact camera.

Before going in to a in depth comparison, below is a concise overview of how the A7R IV grades against the T90 for portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Sony Alpha A7R IV and Sony Cyber-shot DSC-T90. The whole galleries are provided at Sony A7R IV Gallery and Sony T90 Gallery.

For anyone who is intending to carry around your camera regularly, you will need to factor in its weight and dimensions. The Sony A7R IV enjoys physical measurements of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs) and the Sony T90 has dimensions of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") and a weight of 148 grams (0.33 lbs).

Contrast the Sony A7R IV vs Sony T90 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you select at the time. Underneath is the front view overall size comparison of the A7R IV versus the T90.

Factoring in dimensions and weight, the portability rating of the A7R IV and T90 is 62 and 96 respectively.

Normally, it can be difficult to picture the gap in sensor sizes simply by checking out a spec sheet. The picture underneath might offer you a clearer sense of the sensor sizing in the A7R IV and T90.

As you can see, both cameras enjoy different resolutions and different sensor sizes. The A7R IV using its larger sensor is going to make shooting shallow depth of field simpler and the Sony A7R IV will show more detail using its extra 49 Megapixels. Greater resolution will also make it easier to crop pics far more aggressively. The younger A7R IV provides an advantage when it comes to sensor technology.