Nikon D5100 vs Canon EOS Rebel XT

This is a full comparison between the cameras Nikon D5100 and Canon EOS Rebel XT. We compare them by looking at the categories you see below.


Nikon D5100 is manufacturered by Nikon but Canon EOS Rebel XT is from Canon. Both Nikon and Canon are well known brands though.

Nikon D5100 were released 2011 and Canon EOS Rebel XT was released 2005. That is a 6 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Nikon D5100 2011
Canon EOS Rebel XT 2005

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D5100 has a "DX"-sensor while Canon EOS Rebel XT has a "APSC"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera Focal length, 50mm f/1.8 **
Nikon D5100 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5
Canon EOS Rebel XT 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Nikon)
Camera selection can affect the focal length (Canon)


Nikon D5100 has a 16,2 MP (Megapixels) resolution while Canon EOS Rebel XT has 8 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Nikon D5100 16,2 MP
16084992 pixels
4928 x 3264
Canon EOS Rebel XT 8 MP
7962624 pixels
3456 x 2304

Nikon D5100 has a 102 % larger resolution than Canon EOS Rebel XT. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Nikon D5100 has a larger ISO-range than Canon EOS Rebel XT. Nikon D5100 has an ISO range that stretches from 100 to 6400 while Canon EOS Rebel XT has 100 to 1600.

Camera ISO Range
Nikon D5100 100-6400
Canon EOS Rebel XT 100-1600

Autofocus and lens compatibility

There is a big difference between these two cameras. Canon EOS Rebel XT has a built-in autofocus motor but Nikon D5100 does not. If you want to be able to use autofocus on Nikon D5100 there is a need for having an autofocus motor inside the lens. We really encourage you to look closely at our lens compatibility charts at the links below.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Nikon D5100
Lens compatibility chart for Canon EOS Rebel XT

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D5100 can shoot up to 4 pictures per seconds and Canon EOS Rebel XT can shoot up to 2,8 pictures per seconds.

Camera FPS (Frames per second)
Nikon D5100 4
Canon EOS Rebel XT 2,8

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

When comparing these two cameras there is only one of them that can shoot movies and that is Nikon D5100. Unfortunately Canon EOS Rebel XT does not support recording movies and movie clips.


The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Nikon D5100 weighs 611 gr (equal to 1,35 lb) which is 13% heavier than Canon EOS Rebel XT and its 540 gr (or 1,19 lb).

Camera Weight
Nikon D5100 611 gr
1,35 lb
Canon EOS Rebel XT 540 gr
1,19 lb