Canon EOS 550D vs Canon EOS Rebel XSi
These cameras are both manufacturered by Canon.Canon EOS 550D were released 2010 and Canon EOS Rebel XSi was released 2008. That is a 2 years difference. In tech, this period of time can be of interest since technology is always improving etc.
|Canon EOS 550D||Canon||2010|
|Canon EOS Rebel XSi||Canon||2008|
Type of camera
Both these cameras are DSLR cameras. No difference there.
Sensors / crop factor
Both these cameras have the same sorts sensor (called "APSC") which means that if you compare the cameras side by side the lenses will also have the same experienced focal length. Neither of the cameras have a Full frame sensor which means that you will get a "crop factor" where the cameras sensor size effect the focal length with a multiplier.
|Camera||Experienced focal length when using a lens with 50mm focal length (ex a common "50mm f/1.8")|
|Canon EOS 550D||80 mm||(a Canon APS-C sensor have a crop factor / focal length multiplier by * 1.6)|
|Canon EOS Rebel XSi||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 (Canon)
|Camera||Megapixels||Pixel (total)||Pixels (width)||Pixels (height)|
|Canon EOS 550D||18,7 MP||17915904||5184||3456|
|Canon EOS Rebel XSi||12,2 MP||12166656||4272||2848|
Canon EOS 550D has a 47 % larger resolution than Canon EOS Rebel XSi. 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.
|Canon EOS 550D||100-12800|
|Canon EOS Rebel XSi||100-1600|
Autofocus and lens compatibility
Both of these cameras have a built-in autofocus motor. Some lenses, that supports autofocus, does not have a autofocus motor of their own but this wont cause any problems with these two cameras.
Pictures per second
Depending on what you are shooting the FPS, or frames/pictures per second, can definately be of interest. Canon EOS 550D can shoot up to 3,7 pictures per seconds and Canon EOS Rebel XSi can shoot up to 3,5 pictures per seconds.
|Camera||FPS (Frames per second)|
|Canon EOS 550D||3,7|
|Canon EOS Rebel XSi||3,5|
Ability to record movies
It is becoming more and more popular to record movies with digital cameras.
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.
|Camera||Weight (in gram)||Weight (in pounds)|
|Canon EOS 550D||510 gr||1,12 lb|
|Canon EOS Rebel XSi||524 gr||1,16 lb|