Sony A9 II vs Sony A57

In this write-up, we will be matching up the Sony A9 II and Sony A57, former being a Pro Mirrorless while the latter is a Entry-Level DSLR and they are both produced by Sony. There is a large difference between the image resolutions of the A9 II (24MP) and A57 (16MP) and the A9 II (Full frame) and A57 (APS-C) come with totally different sensor sizes.

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The A9 II was brought out 7 years later than the A57 and that is quite a serious difference as far as tech is concerned. Both of the cameras offer different body type with the Sony A9 II being a SLR-style mirrorless camera and the Sony A57 being a Compact SLR camera.

Before diving through a detailed comparison, below is a short overview of how the A9 II matches up against the A57 when it comes to portability, imaging, features and an overall rating.

This is a preview of the gallery images for Sony Alpha A9 Mark II & Sony SLT-A57. The entire galleries are provided at Sony A9 II Gallery & Sony A57 Gallery.

If you are intending to carry your camera frequently, you'll have to think about its weight and dimensions. The Sony A9 II enjoys exterior dimensions of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") along with a weight of 678 grams (1.49 lbs) whilst the Sony A57 has dimensions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") and a weight of 618 grams (1.36 lbs).

See the Sony A9 II and Sony A57 in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ depending on the lens you are utilising at the time. Below is the front view physical size comparison of the A9 II versus the A57.

Taking into consideration size and weight, the portability rating of the A9 II and A57 is 62 and 64 respectively.

In many cases, its tough to see the gap between sensor sizing simply by reading specs. The visual underneath might provide you a more clear sense of the sensor dimensions in the A9 II and A57.

As you can plainly see, both of those cameras enjoy different megapixel count and different sensor sizing. The A9 II because of its bigger sensor will make achieving shallow DOF less difficult and the Sony A9 II will offer you extra detail having its extra 8MP. Higher resolution can also allow you to crop shots far more aggressively. The more recent A9 II is going to have an advantage when it comes to sensor technology.