Nikon D5100 vs Canon EOS Rebel T3

This is a full comparison between the cameras Nikon D5100 and Canon EOS Rebel T3. We compare them by looking at the categories you see below.

Nikon D5100
Canon EOS Rebel T3


Nikon D5100 is manufacturered by Nikon but Canon EOS Rebel T3 is from Canon. Both Nikon and Canon are well known brands though.

These two camera models were both released 2011.

Camera Manufacturer Released
Nikon D5100 Nikon 2011
Canon EOS Rebel T3 Canon 2011

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 T3 has a "APSC"-sensor, and their difference in sensors will also effect the crop factor and experience focal length. See the table below.

Camera Experienced focal length when using a lens with 50mm focal length (ex a common "50mm f/1.8")
Nikon D5100 75 mm (a Nikon DX sensor have a crop factor / focal length multiplier by * 1.5)
Canon EOS Rebel T3 80 mm (a Canon APS-C sensor have a crop factor / focal length multiplier by * 1.6)

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 T3 has 12,2 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels Pixel (total) Pixels (width) Pixels (height)
Nikon D5100 16,2 MP 16084992 4928 3264
Canon EOS Rebel T3 12,2 MP 12166656 4272 2848

Nikon D5100 has a 32 % larger resolution than Canon EOS Rebel T3. This could give you more details in the picture but also a possibility to crop more in the pictures, afterwards while editing the pictures, if needed that is.

ISO range

Both of these cameras offers the exact same ISO range. They both have 100 to 6400.

Camera ISO Range
Nikon D5100 100-6400
Canon EOS Rebel T3 100-6400

Autofocus and lens compatibility

There is a big diffence between these two cameras. Canon EOS Rebel T3 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.

Lens compatibility chart for Nikon D5100
Lens compatibility chart for Canon EOS Rebel T3

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definately be of interest. Nikon D5100 can shoot up to 4 pictures per seconds and Canon EOS Rebel T3 can shoot up to 3 pictures per seconds.

Camera FPS (Frames per second)
Nikon D5100 4
Canon EOS Rebel T3 3

Ability to record movies

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

In this case, both Nikon D5100 and Canon EOS Rebel T3 can shoot movies.


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

Nikon D5100 weighs 611 gr (equal to 1,35 lb) which is 23% heavier than Canon EOS Rebel T3 and its 495 gr (or 1,09 lb).

Camera Weight (in gram) Weight (in pounds)
Nikon D5100 611 gr 1,35 lb
Canon EOS Rebel T3 495 gr 1,09 lb