Sony A77 vs Sony A99

Its time to look a bit more closely at the Sony A77 versus Sony A99, both Advanced DSLR digital cameras and both are manufactured by Sony. The resolution of the A77 (24MP) and the A99 (24MP) is pretty similar but the A77 (APS-C) and A99 (Full frame) have totally different sensor size.

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The A77 was revealed 13 months before the A99 which makes them a generation apart from each other. Both of these cameras feature the same body design (Mid-size SLR).

Before delving straight to a thorough comparison, here is a concise summary of how the A77 matches up versus the A99 when considering portability, imaging, features and an overall rating.

This is a preview of the gallery images for Sony SLT-A77 & Sony SLT-A99. The full galleries are available at Sony A77 Gallery & Sony A99 Gallery.

For anyone who is looking to carry your camera, you will want to factor in its weight and volume. The Sony A77 enjoys physical dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs) while the Sony A99 has sizing of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") with a weight of 812 grams (1.79 lbs).

Check out the Sony A77 versus Sony A99 in our completely new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will vary based on the lens you are employing at that moment. Below is a front view physical size comparison of the A77 compared to the A99.

Looking at size and weight, the portability rating of the A77 and A99 is 59 and 57 respectively.

In many cases, it can be hard to see the difference between sensor sizing just by going over specs. The graphic underneath might provide you a better sense of the sensor sizes in the A77 and A99.

All in all, both of those cameras feature the identical resolution albeit not the same sensor sizing. The A77 contains the tinier sensor which will make getting bokeh trickier. The older A77 is going to be disadvantaged in sensor innovation.