Canon EOS 400D vs Canon EOS 300D

This is a full comparison between the cameras Canon EOS 400D and Canon EOS 300D. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Canon.

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.

** 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 400D has a 10,1 MP (Megapixels) resolution while Canon EOS 300D has 6,3 MP. If we break down this in more detail this is the data behind the numbers:

Canon EOS 400D has a 60 % larger resolution than Canon EOS 300D. 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

Both of these cameras offer the exact same ISO range. They both have 100 to 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 400D
Lens compatibility chart for Canon EOS 300D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS 400D can shoot up to 3 pictures per seconds and Canon EOS 300D can shoot up to 2,5 pictures per seconds.

Ability to record movies

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

Though, neither Canon EOS 400D or Canon EOS 300D 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.

Canon EOS 300D weighs 645 gr (equal to 1.42 lb) which is 16% heavier than Canon EOS 400D and its 556 gr (or 1.23 lb).

Canon EOS 400D vs Canon EOS 300D Specs

Below you will find the complete and detailed technical specs for both Canon EOS 400D and Canon EOS 300D, 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 400D	Canon EOS 300D
Name	Canon EOS 400D	Canon EOS 300D
Manufacturer	Canon	Canon
Release Date and Price	Canon EOS 400D	Canon EOS 300D
Release Year	2006	2003
Release Date	2006-08-24	2003-08-20
MSRP	799 USD	899 USD
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Camera Type	Canon EOS 400D	Canon EOS 300D
Camera Type	DSLR	DSLR
Sensor	Canon EOS 400D	Canon EOS 300D
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	3072 x 2048 pixels
Megapixels	10,1 MP	6,3 MP
Image Processor	DIGIC 2	DIGIC
Image	Canon EOS 400D	Canon EOS 300D
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 400D	Canon EOS 300D
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	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 400D	Canon EOS 300D
Articulated LCD	Fixed	Fixed
Screen size	2,5”	1,8”
Screen dots	230000	118000
Touch screen	No	No
Screen type	N/A	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 400D	Canon EOS 300D
Frames per second	3 fps	2,5 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 steps)
Videography features	Canon EOS 400D	Canon EOS 300D
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 400D	Canon EOS 300D
Memory Card	Compact Flash	Compact Flash
Connectivity	Canon EOS 400D	Canon EOS 300D
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 400D	Canon EOS 300D
Enviromentally sealed	No	No
Battery	Battery Pack	Battery Pack
Battery Details	NB-2L	BP-511 Lithium-Ion battery pack
Battery Life (CIPA)	370 shots	400 shots
Width	127 mm	142 mm
Height	94 mm	99 mm
Depth	65 mm	72 mm
Weight	556 gram	645 gram