Nikon D40x vs Canon EOS 550D

This is a full comparison between the cameras Nikon D40x and Canon EOS 550D. We compare them by looking at the categories you see below.

Manufacturing

Nikon D40x is manufacturered by Nikon but Canon EOS 550D is from Canon. Both Nikon and Canon are well known brands though.

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D40x has a "Nikon DX"-sensor while Canon EOS 550D has a "Canon APS-C"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

** 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)

Resolution

Nikon D40x has a 10 MP (Megapixels) resolution while Canon EOS 550D has 18,7 MP. If we break down this in more detail this is the data behind the numbers:

Canon EOS 550D has a 79 % 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 550D has a larger ISO-range than Nikon D40x. Canon EOS 550D has an ISO range that stretches from 100 to 12800 while Nikon D40x has 100 to 3200.

Autofocus and lens compatibility

There is a big difference between these two cameras. Canon EOS 550D 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 550D

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 550D can shoot up to 3,7 pictures per seconds.

Ability to record movies

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

It is only one of these two cameras that support recording movies and movie clips and that is Canon EOS 550D. Sadly, the Nikon D40x does not support this.

Weight

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 D40x weighs 522 gr (equal to 1.15 lb) which is 2% heavier than Canon EOS 550D and its 510 gr (or 1.12 lb).

Nikon D40x vs Canon EOS 550D Specs

Below you will find the complete and detailed technical specs for both Nikon D40x and Canon EOS 550D, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product	Nikon D40x	Canon EOS 550D
Name	Nikon D40x	Canon EOS 550D
Manufacturer	Nikon	Canon
Release Date and Price	Nikon D40x	Canon EOS 550D
Release Year	2007	2010
Release Date	2007-03-06	2010-02-08
MSRP	729 USD	899 USD
Buy it today
Camera Type	Nikon D40x	Canon EOS 550D
Camera Type	DSLR	DSLR
Sensor	Nikon D40x	Canon EOS 550D
Sensor Size	APS-C (approx 23.7 x 15.5 mm) Also known as "DX"	APS-C (approx 22.3 x 14.9 mm)
Sensor Type	CCD	CMOS
Resolution	3872 x 2592 pixels	5184 x 3456 pixels
Megapixels	10 MP	18,7 MP
Image Processor	EXPEED	DIGIC 4
Image	Nikon D40x	Canon EOS 550D
ISO Range	100 - 3200	100 - 12800
White Balance Presets	6	6
Custom White Balance	Yes	Yes
Image Stabilization	No	No
Image Stabilization CIPA Rating	0 stops	0 stops
Uncompressed format	RAW	RAW
Optics & Focus	Nikon D40x	Canon EOS 550D
Autofocus Motor	No	Yes
Autofocus	Phase Detect Multi Area Selective Single Point Single Continuous	Contract Detect (sensor) Phase Detect Multi Area Selective Single Point Single Continuous Face Detection LiveView
Focus Points	3	9
Lens Mount	Nikon F See Compatible Lenses	Canon EF Canon EF-S See Compatible Lenses
Focal Length Multiplier	DX / APS-C (1.5x) 1.5x multiplier Example: 24 mm becomes 36 mm 50 mm becomes 75 mm 100 mm becomes 150 mm 200 mm becomes 300 mm	APS-C Sensor 1.6x multiplier Example: 24 mm becomes 38 mm 50 mm becomes 80 mm 100 mm becomes 160 mm 200 mm becomes 320 mm
Screen & Viewfinder	Nikon D40x	Canon EOS 550D
Articulated LCD	Fixed	Fixed
Screen size	2,5”	3”
Screen dots	230000	1040000
Touch screen	No	No
Screen type	N/A	TFT color liquid-crystal LCD
Live view	No	Yes
Viewfinder Type	Optical (pentamirror)	Optical (pentamirror)
Viewfinder Coverage	95%	95%
Viewfinder Magnification	0.8× (0.53× 35mm equiv.)	0.87× (0.54× 35mm equiv.)
Viewfinder Resolution	N/A	N/A
Photography features	Nikon D40x	Canon EOS 550D
Frames per second	3 fps	3,7 fps
Minimum Shutter Speed	30 seconds	30 seconds
Maximum Shutter Speed	1/4000 seconds	1/4000 seconds
Built-in Flash	Yes	Yes
Built-in Flash Range	17 meters	13 meters
External Flash	Yes	Yes
Self-Timer	Yes	Yes
Time-lapse	Yes	Yes
Metering modes	Multi Center Weighted Spot	Multi Center Weighted Spot Partial
Exposure Compensation	+/- 5 (at 1/3 EV steps)	+/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features	Nikon D40x	Canon EOS 550D
Video recording	No	Yes
Video format	N/A	H.264
Video resolution	N/A	1280 x 720 1920 x 1080
Built-in Microphone	No	Yes
Built-in Speakers	No	No
Storage	Nikon D40x	Canon EOS 550D
Memory Card	SD/SDHC	SD/SDHC
Connectivity	Nikon D40x	Canon EOS 550D
HDMI Output	No	Yes
Microphone Port	No	No
Headphone Port	No	No
Wireless	No	Yes Eye-Fi Connected
Remote Control	Yes (Optional (ML-L3))	Yes (E3 connector, InfraRed)
GPS	No	No
Body & Dimensions	Nikon D40x	Canon EOS 550D
Enviromentally sealed	No	No
Battery	Battery Pack	Battery Pack
Battery Details	Nikon EN-EL9 Lithium-Ion & charger included	Lithium-Ion LP-E8 rechargeable battery & charger
Battery Life (CIPA)	520 shots	N/A
Width	124 mm	129 mm
Height	94 mm	98 mm
Depth	64 mm	62 mm
Weight	522 gram	510 gram