Nikon D40x vs Canon EOS 50D

This is a full comparison between the cameras Nikon D40x and Canon EOS 50D. We compare them by looking at the categories you see below.


Nikon D40x is manufacturered by Nikon but Canon EOS 50D is from Canon. Both Nikon and Canon are well known brands though.

Nikon D40x were released 2007 and Canon EOS 50D was released 2008. That is a 1 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Nikon D40x 2007
Canon EOS 50D 2008

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D40x has a "DX"-sensor while Canon EOS 50D 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 D40x 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5
Canon EOS 50D 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 D40x has a 10 MP (Megapixels) resolution while Canon EOS 50D has 15,1 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Nikon D40x 10 MP
10036224 pixels
3872 x 2592
Canon EOS 50D 15,1 MP
15054336 pixels
4752 x 3168

Canon EOS 50D has a 50 % larger resolution than Nikon D40x. 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

Canon EOS 50D has a larger ISO-range than Nikon D40x. Canon EOS 50D has an ISO range that stretches from 100 to 12800 while Nikon D40x has 100 to 3200.

Camera ISO Range
Nikon D40x 100-3200
Canon EOS 50D 100-12800

Autofocus and lens compatibility

There is a big difference between these two cameras. Canon EOS 50D has a built-in autofocus motor but Nikon D40x does not. If you want to be able to use autofocus on Nikon D40x 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 D40x
Lens compatibility chart for Canon EOS 50D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D40x can shoot up to 3 pictures per seconds and Canon EOS 50D can shoot up to 6,3 pictures per seconds.

Camera FPS (Frames per second)
Nikon D40x 3
Canon EOS 50D 6,3

Ability to record movies

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

Though, neither Nikon D40x or Canon EOS 50D can shoot movies so if that is a functionality that you are really looking for you should look elsewhere.


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.

Canon EOS 50D weighs 822 gr (equal to 1,81 lb) which is 57% heavier than Nikon D40x and its 522 gr (or 1,15 lb).

Camera Weight
Nikon D40x 522 gr
1,15 lb
Canon EOS 50D 822 gr
1,81 lb