Sony A7S III vs Sony A65

On this page, we are matching up the Sony A7S III versus Sony A65, former is a Pro Mirrorless while the other is a Entry-Level DSLR and both of them are manufactured by Sony. There is a sizable difference among the sensor resolutions of the A7S III (12MP) and A65 (24MP) and the A7S III (Full frame) and A65 (APS-C) boast totally different sensor measurements.

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The A7S III was announced 8 years after the A65 which is a fairly significant difference as far as camera tech is concerned. The two cameras have different body design with the Sony A7S III being a SLR-style mirrorless camera and the Sony A65 being a Compact SLR camera.

Before we go straight to a complete comparison, here is a simple summation of how the A7S III grades versus the A65 in relation to portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Sony Alpha A7S III & Sony SLT-A65. The whole galleries are available at Sony A7S III Gallery & Sony A65 Gallery.

When you are intending to travel with your camera often, you will need to think about its weight and proportions. The Sony A7S III has external dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") with a weight of 699 grams (1.54 lbs) and the Sony A65 has measurements of 132mm x 97mm x 81mm (5.2" x 3.8" x 3.2") with a weight of 622 grams (1.37 lbs).

See the Sony A7S III versus Sony A65 in our completely new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will differ depending on the lens you have attached during that time. Here is a front view measurement comparison of the A7S III against the A65.

Using size and weight, the portability rating of the A7S III and A65 is 61 and 64 respectively.

Generally, it's hard to envision the gap in sensor dimensions purely by looking through a spec sheet. The picture underneath will help give you a greater sense of the sensor dimensions in the A7S III and A65.

Clearly, both of those cameras have different megapixel count and different sensor dimensions. The A7S III with its larger sensor will make getting shallower DOF simpler and the Sony A65 will result in greater detail with its extra 12 Megapixels. Greater resolution will help you crop pics a bit more aggressively. The fresher A7S III is going to have a benefit with regard to sensor technology.