Canon 20D vs Sony A77

Let's take a more detailed look at the Canon 20D and Sony A77, both Advanced DSLR digital cameras by companies Canon and Sony. There exists a large gap between the resolutions of the 20D (8MP) and A77 (24MP) but both cameras have the identical sensor measurements (APS-C).

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The 20D was launched 8 years earlier than the A77 which is quite a serious difference as far as technology is concerned. Each of the cameras feature the same body design (Mid-size SLR).

Before we go right into a detailed comparison, here is a short overview of how the 20D grades against the A77 with regards to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Canon EOS 20D & Sony SLT-A77. The complete galleries are available at Canon 20D Gallery & Sony A77 Gallery.

If you're aiming to carry around your camera frequently, you will need to take into account its weight and size. The Canon 20D has got exterior measurements of 144mm x 106mm x 72mm (5.7" x 4.2" x 2.8") along with a weight of 770 grams (1.70 lbs) and the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

Check the Canon 20D and Sony A77 in our brand new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change dependant on the lens you are using at that time. Underneath is a front view proportions comparison of the 20D and the A77.

Using dimensions and weight, the portability rating of the 20D and A77 is 59 and 59 respectively.

Typically, it is very difficult to see the difference between sensor sizes only by reading specs. The picture here should give you a greater sense of the sensor measurements in the 20D and A77.

As you can plainly see, each of the cameras come with the identical sensor size but not the same MP. You can expect to see the Sony A77 to offer greater detail utilizing its extra 16 Megapixels. Greater resolution will also let you crop photos a good deal more aggressively. The more aged 20D is going to be disadvantaged in sensor innovation.