Best of Canon Rebel XSi The Canon EOS Rebel XTi, also known as the Canon 450D is the successor to Canon EOS Rebel XTi or Canon 400D. The main physical differences between the most recent closing. It stop to get a better job at hand The layout of the buttons on the back of the camera are a little 'different than previous LCD. The LCD screen is also much larger than 3 inches with a large font size for easy Play. In terms of performance, the noise of the Canon Rebel XSi ISO, at least when shooting at ISO number Levels. The new model also has a faster autofocus. The Canon Rebel XSi culminates about 30% faster than the AF Canon Rebel XTi.