Canon EOS Rebel T3i vs Canon EOS 77D

This is a full comparison between the cameras Canon EOS Rebel T3i and Canon EOS 77D. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Canon.

Canon EOS Rebel T3i were released 2011 and Canon EOS 77D was released 2017. That is a 6 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Canon EOS Rebel T3i 2011
Canon EOS 77D 2017

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 T3i 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6
Canon EOS 77D 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 T3i has a 18 MP (Megapixels) resolution while Canon EOS 77D has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Canon EOS Rebel T3i 18 MP
17915904 pixels
5184 x 3456
Canon EOS 77D 24 MP
24000000 pixels
6000 x 4000

Canon EOS 77D has a 34 % larger resolution than Canon EOS Rebel T3i. 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 77D has a larger ISO-range than Canon EOS Rebel T3i. Canon EOS 77D has an ISO range that stretches from 100 to 25600 while Canon EOS Rebel T3i has 100 to 12800.

Camera ISO Range
Canon EOS Rebel T3i 100-12800
Canon EOS 77D 100-25600

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 T3i
Lens compatibility chart for Canon EOS 77D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS Rebel T3i can shoot up to 3,7 pictures per seconds and Canon EOS 77D can shoot up to 6 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS Rebel T3i 3,7
Canon EOS 77D 6

Ability to record movies

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

In this case, both Canon EOS Rebel T3i and Canon EOS 77D can shoot movies.

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 T3i weighs 570 gr (equal to 1.26 lb) which is 6% heavier than Canon EOS 77D and its 540 gr (or 1.19 lb).

Camera Weight
Canon EOS Rebel T3i 570 gr
1.26 lb
Canon EOS 77D 540 gr
1.19 lb

Canon EOS Rebel T3i vs Canon EOS 77D Specs

Below you will find the complete and detailed technical specs for both Canon EOS Rebel T3i and Canon EOS 77D, 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 T3i
Canon EOS 77D
Name Canon EOS Rebel T3i Canon EOS 77D
Manufacturer Canon Canon
Release Date and Price
Canon EOS Rebel T3i
Canon EOS 77D
Release Year 2011 2017
Release Date 2011-02-07 2017-02-15
MSRP 1099 USD 899 USD
Buy it today
Camera Type
Canon EOS Rebel T3i
Canon EOS 77D
Camera Type DSLR DSLR
Sensor
Canon EOS Rebel T3i
Canon EOS 77D
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 5184 x 3456 pixels 6000 x 4000 pixels
Megapixels 18 MP 24 MP
Image Processor DIGIC 4 DIGIC 7
Image
Canon EOS Rebel T3i
Canon EOS 77D
ISO Range 100 - 12800 100 - 25600
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 T3i
Canon EOS 77D
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Focus Points 9 45
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 T3i
Canon EOS 77D
Articulated LCD Fully articulated Fully articulated
Screen size 3” 3”
Screen dots 1040000 1040000
Touch screen No Yes
Screen type TFT color LCD, liquid-crystal monitor TFT LCD
Live view Yes Yes
Viewfinder Type Optical (pentamirror) Optical (pentamirror)
Viewfinder Coverage 95% 95%
Viewfinder Magnification 0.85× (0.53× 35mm equiv.) 0.82× (0.51× 35mm equiv.)
Viewfinder Resolution N/A 0
Photography features
Canon EOS Rebel T3i
Canon EOS 77D
Frames per second 3,7 fps 6 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 13 meters 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Spot
Partial
Multi
Spot
Partial
Average
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Canon EOS Rebel T3i
Canon EOS 77D
Video recording Yes Yes
Video format MPEG4
H.264
MPEG4
H.264
Video resolution 1280 x 720
1920 x 1080
1280 x 720
1920 x 1080
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Canon EOS Rebel T3i
Canon EOS 77D
Memory Card SD/SDHC
SD/SDHC
Connectivity
Canon EOS Rebel T3i
Canon EOS 77D
HDMI Output Yes Yes
Microphone Port No Yes
Headphone Port No No
Wireless Yes
Eye-Fi Connected
Yes
Built-in ( Includes Bluetooth LE and NFC)
Remote Control Yes (E3 connector, InfraRed) Yes (via smartphone or Bluetooth remote)
GPS No Yes
Optional
Body & Dimensions
Canon EOS Rebel T3i
Canon EOS 77D
Enviromentally sealed No No
Battery Battery Pack Battery Pack
Battery Details Lithium-Ion LP-E8 rechargeable battery & charger
LP-E17 lithium-ion battery & charger
Battery Life (CIPA) 440 shots 600 shots
Width 133 mm 131 mm
Height 100 mm 100 mm
Depth 80 mm 76 mm
Weight 570 gram 540 gram