Canon EOS Rebel T8i vs Canon EOS 40D

This is a full comparison between the cameras Canon EOS Rebel T8i and Canon EOS 40D. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Canon.

Canon EOS Rebel T8i were released 2020 and Canon EOS 40D was released 2007. That is a 13 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Canon EOS Rebel T8i 2020
Canon EOS 40D 2007

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 T8i 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6
Canon EOS 40D 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 T8i has a 24 MP (Megapixels) resolution while Canon EOS 40D has 10,1 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Canon EOS Rebel T8i 24 MP
24000000 pixels
6000 x 4000
Canon EOS 40D 10,1 MP
10077696 pixels
3888 x 2592

Canon EOS Rebel T8i has a 138 % larger resolution than Canon EOS 40D. 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 Rebel T8i has a larger ISO-range than Canon EOS 40D. Canon EOS Rebel T8i has an ISO range that stretches from 100 to 25600 while Canon EOS 40D has 100 to 3200.

Camera ISO Range
Canon EOS Rebel T8i 100-25600
Canon EOS 40D 100-3200

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 T8i
Lens compatibility chart for Canon EOS 40D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS Rebel T8i can shoot up to 7,5 pictures per seconds and Canon EOS 40D can shoot up to 6,5 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS Rebel T8i 7,5
Canon EOS 40D 6,5

Ability to record movies

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

When comparing these two cameras there is only one of them that can shoot movies and that is Canon EOS Rebel T8i. Unfortunately Canon EOS 40D does not support recording movies and movie clips.

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 40D weighs 822 gr (equal to 1,81 lb) which is 60% heavier than Canon EOS Rebel T8i and its 515 gr (or 1,14 lb).

Camera Weight
Canon EOS Rebel T8i 515 gr
1,14 lb
Canon EOS 40D 822 gr
1,81 lb

Canon EOS Rebel T8i vs Canon EOS 40D Specs

Below you will find the complete and detailed technical specs for both Canon EOS Rebel T8i and Canon EOS 40D, 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 T8i
Canon EOS 40D
Name Canon EOS Rebel T8i Canon EOS 40D
Manufacturer Canon Canon
Release Date and Price
Canon EOS Rebel T8i
Canon EOS 40D
Release Year 2020 2007
Release Date 2020-02-12 2007-08-20
MSRP 749 USD 1299 USD
Buy it today
Camera Type
Canon EOS Rebel T8i
Canon EOS 40D
Camera Type Digital SLR camera Digital SLR camera
Sensor
Canon EOS Rebel T8i
Canon EOS 40D
Sensor Size APS-C (1.6x) APS-C (1.6x)
Sensor Type CMOS CMOS
Resolution 6000 x 4000 pixels 3888 x 2592 pixels
Megapixels 24 MP 10,1 MP
Image Processor DIGIC 8 DIGIC 3
Image
Canon EOS Rebel T8i
Canon EOS 40D
ISO Range 100 - 25600 100 - 3200
White Balance Presets 6 6
Custom White Balance Yes Yes
Image Stabilization No No
Uncompressed format RAW RAW
Optics & Focus
Canon EOS Rebel T8i
Canon EOS 40D
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Focus Points 45 9
Lens Mount Canon EF
Canon EF-S
Compatible lenses
Canon EF
Canon EF-S
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 T8i
Canon EOS 40D
Articulated LCD Fully articulated Fixed
Screen size 3 3
Screen dots 1040000 230000
Touch screen Yes No
Screen type TFT LCD N/A
Live view Yes Yes
Viewfinder Type Optical (pentamirror) Optical (pentaprism)
Viewfinder Coverage 95% 95%
Viewfinder Magnification 0.82 (0.51 35mm equiv.) 0.95 (0.59 35mm equiv.)
Viewfinder Resolution 0 N/A
Photography features
Canon EOS Rebel T8i
Canon EOS 40D
Frames per second 7,5 fps 6,5 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/8000 seconds
Built-in Flash Yes Yes
Built-in Flash Range 4 meters 12 meters
External Flash Yes Yes
Self-timer Yes Yes
Timelapse Yes Yes
Metering modes Multi
Center Weighted
Spot
Partial
Multi
Center Weighted
Spot
Partial
Exposure Compensation 3 (at 1/3 EV, 1/2 EV steps) 2 (at 1/3 EV, 1/2 EV steps)
Videography features
Canon EOS Rebel T8i
Canon EOS 40D
Video recording Yes No
Video format MPEG4
H.264
N/A
Video resolution 1920 x 1080
3840 x 2160
N/A
Built-in Microphone Yes No
Built-in Speakers Yes No
Storage
Canon EOS Rebel T8i
Canon EOS 40D
Memory Card SD/SDHC
Compact Flash
Connectivity
Canon EOS Rebel T8i
Canon EOS 40D
HDMI Yes No
Microphone port Yes No
Headphone port No No
Wireless Yes
Built-in (802.11b/g/n + Bluetooth)
No
Remote Control Yes (via wireless remote or smartphone) Yes (N3 connector)
GPS No No
Body & Dimensions
Canon EOS Rebel T8i
Canon EOS 40D
Enviromentally sealed No No
Battery Battery Pack Battery Pack
Battery Details LP-E17 lithium-ion battery & charger
Litium-Ion (Li-Ion) BP-511
Battery Life (CIPA) 800 shots 800 shots
Width 131 mm 146 mm
Height 103 mm 108 mm
Depth 76 mm 74 mm
Weight 515 gram 822 gram