Canon EOS Rebel XTi vs Canon EOS 400D

This is a full comparison between the cameras Canon EOS Rebel XTi and Canon EOS 400D. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Canon.

These two camera models were both released 2006.

Camera Released
Canon EOS Rebel XTi 2006
Canon EOS 400D 2006

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

Both these cameras have the same sorts of sensor (called "Canon APS-C") which means that if you compare these cameras side by side the lenses will also have the same experienced focal length. Neither of the cameras has a Full frame sensor which means that you will get a "crop factor" where the camera's sensor size affect the focal length with a multiplier.

Camera Focal length, 50mm f/1.8 **
Canon EOS Rebel XTi 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6
Canon EOS 400D 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 (Canon)

Resolution

Both these cameras have the exact same resolution. Canon EOS Rebel XTi has a 10,1 MP (Megapixels) resolution while Canon EOS 400D has 10,1 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Canon EOS Rebel XTi 10,1 MP
10077696 pixels
3888 x 2592
Canon EOS 400D 10,1 MP
10077696 pixels
3888 x 2592

ISO range

Both of these cameras offer the exact same ISO range. They both have 100 to 1600.

Camera ISO Range
Canon EOS Rebel XTi 100-1600
Canon EOS 400D 100-1600

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Canon EOS Rebel XTi
Lens compatibility chart for Canon EOS 400D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS Rebel XTi can shoot up to 3 pictures per seconds and Canon EOS 400D can shoot up to 3 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS Rebel XTi 3
Canon EOS 400D 3

Ability to record movies

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

Though, neither Canon EOS Rebel XTi or Canon EOS 400D can shoot movies so if that is a functionality that you are really looking for you should look elsewhere.

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.

These two cameras weigh exactly the same so there is no difference there. Please see the details below.

Camera Weight
Canon EOS Rebel XTi 556 gr
1.23 lb
Canon EOS 400D 556 gr
1.23 lb

Canon EOS Rebel XTi vs Canon EOS 400D Specs

Below you will find the complete and detailed technical specs for both Canon EOS Rebel XTi and Canon EOS 400D, 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
Canon EOS Rebel XTi
Canon EOS 400D
Name Canon EOS Rebel XTi Canon EOS 400D
Manufacturer Canon Canon
Release Date and Price
Canon EOS Rebel XTi
Canon EOS 400D
Release Year 2006 2006
Release Date 2006-08-24 2006-08-24
MSRP 799 USD 799 USD
Buy it today
Camera Type
Canon EOS Rebel XTi
Canon EOS 400D
Camera Type DSLR DSLR
Sensor
Canon EOS Rebel XTi
Canon EOS 400D
Sensor Size APS-C (approx 22.3 x 14.9 mm) APS-C (approx 22.3 x 14.9 mm)
Sensor Type CMOS CMOS
Resolution 3888 x 2592 pixels 3888 x 2592 pixels
Megapixels 10,1 MP 10,1 MP
Image Processor DIGIC 2 DIGIC 2
Image
Canon EOS Rebel XTi
Canon EOS 400D
ISO Range 100 - 1600 100 - 1600
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
Canon EOS Rebel XTi
Canon EOS 400D
Autofocus Motor Yes Yes
Autofocus Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Focus Points 9 9
Lens Mount Canon EF
Canon EF-S

See Compatible Lenses
Canon EF
Canon EF-S

See Compatible Lenses
Focal Length Multiplier 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
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
Canon EOS Rebel XTi
Canon EOS 400D
Articulated LCD Fixed Fixed
Screen size 2.5” 2,5”
Screen dots 230000 230000
Touch screen No No
Screen type TFT LCD N/A
Live view No No
Viewfinder Type Optical (pentamirror) Optical (pentamirror)
Viewfinder Coverage 95% 95%
Viewfinder Magnification 0.8× (0.5× 35mm equiv.) 0.8× (0.5× 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Canon EOS Rebel XTi
Canon EOS 400D
Frames per second 3 fps 3 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 12 meters 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Partial
Multi
Center Weighted
Partial
Exposure Compensation +/- 2 (at 1/3 EV, 1/2 EV steps) +/- 2 (at 1/3 EV, 1/2 EV steps)
Videography features
Canon EOS Rebel XTi
Canon EOS 400D
Video recording No No
Video format N/A N/A
Video resolution N/A N/A
Built-in Microphone No No
Built-in Speakers No No
Storage
Canon EOS Rebel XTi
Canon EOS 400D
Memory Card Compact Flash
Compact Flash
Connectivity
Canon EOS Rebel XTi
Canon EOS 400D
HDMI Output No No
Microphone Port No No
Headphone Port No No
Wireless No No
Remote Control Yes (E3 connector, InfraRed) Yes (E3 connector, InfraRed)
GPS No No
Body & Dimensions
Canon EOS Rebel XTi
Canon EOS 400D
Enviromentally sealed No No
Battery Battery Pack Battery Pack
Battery Details Battery Pack NB-2LH
NB-2L
Battery Life (CIPA) 360 shots 370 shots
Width 127 mm 127 mm
Height 94 mm 94 mm
Depth 65 mm 65 mm
Weight 556 gram 556 gram