Sony A9 vs Sony A77

Lets take a deeper look at the Sony A9 and Sony A77, one is a Pro Mirrorless and the other is a Advanced DSLR and they are both created by Sony. The resolution of the A9 (24MP) and the A77 (24MP) is very close but the A9 (Full frame) and A77 (APS-C) possess totally different sensor dimensions.

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The A9 was unveiled 5 years after the A77 which is a fairly significant gap as far as camera tech is concerned. Both of the cameras come with different body type with the Sony A9 being a SLR-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before going in to a detailed comparison, below is a simple highlight of how the A9 grades vs the A77 in terms of portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Sony Alpha A9 and Sony SLT-A77. The full galleries are available at Sony A9 Gallery and Sony A77 Gallery.

For anybody who is aiming to travel with your camera often, you are going to need to consider its weight and dimensions. The Sony A9 enjoys external dimensions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") along with a weight of 673 grams (1.48 lbs) and the Sony A77 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 732 grams (1.61 lbs).

Take a look at the Sony A9 and Sony A77 in the new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you have at that time. The following is the front view dimensions comparison of the A9 compared to the A77.

Looking at size and weight, the portability rating of the A9 and A77 is 65 and 59 respectively.

Oftentimes, its difficult to see the difference in sensor dimensions just by looking through a spec sheet. The picture underneath will provide you a stronger sense of the sensor dimensions in the A9 and A77.

As you can see, both the cameras posses the exact same resolution but not the same sensor dimensions. The A9 includes the larger sensor which should make getting bokeh easier. The younger A9 is going to have a benefit when it comes to sensor tech.