Canon EOS Rebel XT vs Canon EOS 100D

This is a full comparison between the cameras Canon EOS Rebel XT and Canon EOS 100D. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Canon.

Canon EOS Rebel XT were released 2005 and Canon EOS 100D was released 2013. That is a 8 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Canon EOS Rebel XT 2005
Canon EOS 100D 2013

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 XT 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6
Canon EOS 100D 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

Canon EOS Rebel XT has a 8 MP (Megapixels) resolution while Canon EOS 100D has 18 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Canon EOS Rebel XT 8 MP
7962624 pixels
3456 x 2304
Canon EOS 100D 18 MP
17915904 pixels
5184 x 3456

Canon EOS 100D has a 125 % larger resolution than Canon EOS Rebel XT. 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 100D has a larger ISO-range than Canon EOS Rebel XT. Canon EOS 100D has an ISO range that stretches from 100 to 12800 while Canon EOS Rebel XT has 100 to 1600.

Camera ISO Range
Canon EOS Rebel XT 100-1600
Canon EOS 100D 100-12800

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 XT
Lens compatibility chart for Canon EOS 100D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS Rebel XT can shoot up to 2,8 pictures per seconds and Canon EOS 100D can shoot up to 4 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS Rebel XT 2,8
Canon EOS 100D 4

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 100D. Sadly, the Canon EOS Rebel XT 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.

Canon EOS Rebel XT weighs 540 gr (equal to 1.19 lb) which is 33% heavier than Canon EOS 100D and its 407 gr (or 0.9 lb).

Camera Weight
Canon EOS Rebel XT 540 gr
1.19 lb
Canon EOS 100D 407 gr
0.9 lb

Canon EOS Rebel XT vs Canon EOS 100D Specs

Below you will find the complete and detailed technical specs for both Canon EOS Rebel XT and Canon EOS 100D, 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 XT
Canon EOS 100D
Name Canon EOS Rebel XT Canon EOS 100D
Manufacturer Canon Canon
Release Date and Price
Canon EOS Rebel XT
Canon EOS 100D
Release Year 2005 2013
Release Date 2005-02-17 2013-03-21
MSRP 599 USD 799 USD
Buy it today
Camera Type
Canon EOS Rebel XT
Canon EOS 100D
Camera Type DSLR DSLR
Sensor
Canon EOS Rebel XT
Canon EOS 100D
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 3456 x 2304 pixels 5184 x 3456 pixels
Megapixels 8 MP 18 MP
Image Processor DIGIC 2 DIGIC 5
Image
Canon EOS Rebel XT
Canon EOS 100D
ISO Range 100 - 1600 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
Canon EOS Rebel XT
Canon EOS 100D
Autofocus Motor Yes Yes
Autofocus Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Face Detection
LiveView
Focus Points 7 7
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 XT
Canon EOS 100D
Articulated LCD Fixed Fixed
Screen size 1.8 3
Screen dots 115000 1040000
Touch screen No Yes
Screen type N/A N/A
Live view No Yes
Viewfinder Type Optical (pentamirror) Optical (pentamirror)
Viewfinder Coverage 95% 95%
Viewfinder Magnification 0.8 (0.5 35mm equiv.) 0.87
Viewfinder Resolution N/A 0
Photography features
Canon EOS Rebel XT
Canon EOS 100D
Frames per second 2,8 fps 4 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 9 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes No
Metering modes Multi
Center Weighted
Partial
Multi
Center Weighted
Spot
Partial
Exposure Compensation +/- 2 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Canon EOS Rebel XT
Canon EOS 100D
Video recording No Yes
Video format N/A MPEG4
H.264
Video resolution N/A 1280 x 720
Built-in Microphone No Yes
Built-in Speakers No Yes
Storage
Canon EOS Rebel XT
Canon EOS 100D
Memory Card Compact Flash
SD/SDHC
Connectivity
Canon EOS Rebel XT
Canon EOS 100D
HDMI Output No Yes
Microphone Port No Yes
Headphone Port No No
Wireless No Yes
Eye-Fi Connected
Remote Control Yes (E3 connector, InfraRed) Yes (RC-6)
GPS No Yes
Optional
Body & Dimensions
Canon EOS Rebel XT
Canon EOS 100D
Enviromentally sealed No No
Battery Battery Pack Battery Pack
Battery Details Battery Pack NB-2LH
Lithium-Ion LP-E12 rechargeable battery & charger
Battery Life (CIPA) N/A 380 shots
Width 127 mm 117 mm
Height 94 mm 91 mm
Depth 64 mm 69 mm
Weight 540 gram 407 gram