Sony A7R III vs Sony TX66

Here, we will be reviewing the Sony A7R III versus Sony TX66, former being a Pro Mirrorless while the latter is a Ultracompact and they are both designed by Sony. There is a considerable difference between the image resolutions of the A7R III (42MP) and TX66 (18MP) and the A7R III (Full frame) and TX66 (1/2.3") posses totally different sensor measurements.

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The A7R III was announced 5 years later than the TX66 and that is quite a large difference as far as tech is concerned. Both cameras feature different body design with the Sony A7R III being a SLR-style mirrorless camera and the Sony TX66 being a Ultracompact camera.

Before going right into a more detailed comparison, here is a short summary of how the A7R III scores versus the TX66 in terms of portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Sony Alpha A7R III & Sony Cyber-shot DSC-TX66. The whole galleries are provided at Sony A7R III Gallery & Sony TX66 Gallery.

In case you're aiming to lug around your camera, you will need to factor in its weight and measurements. The Sony A7R III comes with physical dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs) and the Sony TX66 has proportions of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") having a weight of 109 grams (0.24 lbs).

Compare the Sony A7R III versus Sony TX66 in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ based on the lens you choose during that time. Following is a front view proportions comparison of the A7R III against the TX66.

Taking into account size and weight, the portability rating of the A7R III and TX66 is 63 and 97 respectively.

Usually, it can be difficult to envision the contrast between sensor measurements only by reading through specifications. The visual below may offer you a much better sense of the sensor sizes in the A7R III and TX66.

To sum up, each of these cameras feature different resolutions and different sensor measurements. The A7R III using its bigger sensor will make shooting shallow depth of field easier and the Sony A7R III will give you more detail with its extra 24MP. Higher resolution will also enable you to crop pictures way more aggressively. The younger A7R III is going to have an edge in sensor tech.