Sony A7 III vs Sony A99

Let's look a bit more in depth at the Sony A7 III versus Sony A99, one is a Pro Mirrorless and the latter is a Advanced DSLR and both of them are built by Sony. The image resolution of the A7 III (24MP) and the A99 (24MP) is pretty comparable and both cameras have the identical sensor measurements (Full frame).

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The A7 III was brought out 5 years after the A99 which is a fairly sizable gap as far as camera technology is concerned. Both of these cameras feature different body design with the Sony A7 III being a SLR-style mirrorless camera and the Sony A99 being a Mid-size SLR camera.

Before going right into a full comparison, here is a concise overview of how the A7 III matches up vs the A99 with regards to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Sony Alpha A7 III and Sony SLT-A99. The entire galleries are viewable at Sony A7 III Gallery and Sony A99 Gallery.

If you are planning to carry around your camera, you will want to consider its weight and volume. The Sony A7 III comes with outer measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs) whilst the Sony A99 has sizing of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") having a weight of 812 grams (1.79 lbs).

Analyze the Sony A7 III versus Sony A99 in the latest Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have during that time. Underneath is a front view physical size comparison of the A7 III against the A99.

Considering dimensions and weight, the portability rating of the A7 III and A99 is 63 and 57 respectively.

Normally, it is tough to picture the gap in sensor sizes purely by seeing technical specs. The picture here should give you a clearer sense of the sensor measurements in the A7 III and A99.

As you have seen, both of the cameras feature the identical sensor size and the same resolution and you should expect comparable quality of photos however you should really factor the release date of the cameras into account. The newer A7 III provides a benefit with regard to sensor tech.