Sony A7R III vs Sony TX30

Its time to look more in depth at the Sony A7R III and Sony TX30, one is a Pro Mirrorless and the other is a Ultracompact and both are sold by Sony. There is a big difference among the resolutions of the A7R III (42MP) and TX30 (18MP) and the A7R III (Full frame) and TX30 (1/2.3") posses totally different sensor size.

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The A7R III was revealed 4 years after the TX30 which is a fairly big gap as far as camera tech is concerned. Each of the cameras have different body design with the Sony A7R III being a SLR-style mirrorless camera and the Sony TX30 being a Ultracompact camera.

Before getting straight to a step-by-step comparison, here is a concise synopsis of how the A7R III grades vs the TX30 in terms of portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Sony Alpha A7R III and Sony Cyber-shot DSC-TX30. The full galleries are viewable at Sony A7R III Gallery and Sony TX30 Gallery.

If you're looking to carry around your camera often, you'll have to think about its weight and size. The Sony A7R III has got external measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs) while the Sony TX30 has specifications of 96mm x 59mm x 15mm (3.8" x 2.3" x 0.6") having a weight of 141 grams (0.31 lbs).

Check out the Sony A7R III and Sony TX30 in the all new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with at that time. Underneath is a front view size comparison of the A7R III against the TX30.

Taking into account size and weight, the portability grade of the A7R III and TX30 is 63 and 96 respectively.

Usually, it's tough to visualise the difference in sensor sizes purely by viewing specs. The pic below will give you a much better sense of the sensor measurements in the A7R III and TX30.

As you can plainly see, both cameras have different megapixel count and different sensor sizes. The A7R III using its larger sensor will make getting shallow DOF easier and the Sony A7R III will render greater detail because of its extra 24 Megapixels. Greater resolution will let you crop images a bit more aggressively. The newer A7R III is going to have an advantage in sensor innovation.