Canon 20D vs Nikon D810

In this article, we will be evaluating the Canon 20D versus Nikon D810, both Advanced DSLR cameras by competitors Canon and Nikon. There is a big difference among the image resolutions of the 20D (8MP) and D810 (36MP) and the 20D (APS-C) and D810 (Full frame) possess totally different sensor sizing.

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The 20D was unveiled 10 years before the D810 and that is a fairly big gap as far as camera tech is concerned. The two cameras offer the identical body type (Mid-size SLR).

Before delving straight into a full comparison, below is a quick summary of how the 20D scores against the D810 in regards to portability, imaging, features and an overall rating.

Here is a preview of the gallery images for Canon EOS 20D and Nikon D810. The full galleries are provided at Canon 20D Gallery and Nikon D810 Gallery.

For those who are going to carry your camera frequently, you should factor its weight and dimensions. The Canon 20D has got outer measurements of 144mm x 106mm x 72mm (5.7" x 4.2" x 2.8") and a weight of 770 grams (1.70 lbs) and the Nikon D810 has dimensions of 146mm x 123mm x 82mm (5.7" x 4.8" x 3.2") and a weight of 980 grams (2.16 lbs).

Contrast the Canon 20D versus Nikon D810 in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you are using at that time. Here is the front view measurements comparison of the 20D against the D810.

Factoring in size and weight, the portability rating of the 20D and D810 is 59 and 54 respectively.

In many cases, it is very hard to visualise the contrast in sensor sizing purely by viewing specs. The visual here might offer you a much better sense of the sensor measurements in the 20D and D810.

As you can plainly see, both cameras offer different resolutions and different sensor sizing. The 20D with its smaller sensor will make achieving shallow DOF tougher and the Nikon D810 will render more detail having an extra 28MP. Higher resolution will let you crop shots a little more aggressively. The older 20D will be disadvantaged when it comes to sensor innovation.