Nikon D40x vs Canon EOS 40D

This is a full comparison between the cameras Nikon D40x and Canon EOS 40D. We compare them by looking at the categories you see below.

Nikon D40x
Canon EOS 40D


Nikon D40x is manufacturered by Nikon but Canon EOS 40D is from Canon. Both Nikon and Canon are well known brands though.

These two camera models were both released 2007.

Camera Manufacturer Released
Nikon D40x Nikon 2007
Canon EOS 40D Canon 2007

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 40D 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 D40x 75 mm (a Nikon DX sensor have a crop factor / focal length multiplier by * 1.5)
Canon EOS 40D 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 D40x has a 10 MP (Megapixels) resolution while Canon EOS 40D has 10,1 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 D40x 10 MP 10036224 3872 2592
Canon EOS 40D 10,1 MP 10077696 3888 2592

Canon EOS 40D has a 0 % larger resolution than Nikon D40x. 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 3200.

Camera ISO Range
Nikon D40x 100-3200
Canon EOS 40D 100-3200

Autofocus and lens compatibility

There is a big diffence between these two cameras. Canon EOS 40D 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.

Lens compatibility chart for Nikon D40x
Lens compatibility chart for Canon EOS 40D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definately be of interest. Nikon D40x can shoot up to 3 pictures per seconds and Canon EOS 40D can shoot up to 6,5 pictures per seconds.

Camera FPS (Frames per second)
Nikon D40x 3
Canon EOS 40D 6,5

Ability to record movies

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

Though, neither Nikon D40x or Canon EOS 40D 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, carried around, for several hours at the time.

Canon EOS 40D 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 (in gram) Weight (in pounds)
Nikon D40x 522 gr 1,15 lb
Canon EOS 40D 822 gr 1,81 lb