Canon EOS Rebel T3 vs Canon EOS Rebel T7i

In this comparison, we will evaluate the Canon EOS Rebel T3 and the Canon EOS Rebel T7i, highlighting the advantages of each over the other, discussing their pros and cons, shared strengths and weaknesses, and providing a rating based on their available features and specifications to assist you in choosing the one that best suits your needs.

Canon EOS Rebel T3 was introduced in April 2011 and Canon EOS Rebel T7i was introduced in February 2017. Let us first list highlights of the models.

Now that we've looked at the most essential specifications and gained a basic understanding of these cameras, we can delve into more details and see the differences between them.

This section shows those features and specifications which are the reason to choose Canon EOS Rebel T3 over Canon EOS Rebel T7i.

This section shows those features and specifications which are the reason to choose Canon EOS Rebel T7i over Canon EOS Rebel T3.

We already listed pros and cons of each model. However, you may also find useful to look at their common strengths and weaknesses shown side-by-side.

Screen

Canon EOS Rebel T3 has a 2.7" Fixed screen with 230k dot resolution and Canon EOS Rebel T7i has a 3.0" Fully Articulated screen with 1,040k dot resolution. Fully articulated screen makes Canon EOS Rebel T7i selfie and vlogger friendly and generally very useful for video shooting. Canon EOS Rebel T7i also features touchscreen which has advantages such as easy menu navigation, intuitive controls, quick setting adjustment and most importantly a Touch-to-Focus functionality (available only on Canon EOS Rebel T7i) allowing users to select a specific point on the screen where they want the camera to focus. This feature can be helpful for achieving precise focus in both photo and video recording.

Viewfinder

Cameras have built-in Optical (pentamirror) viewfinders. They both have 95% coverage.

Canon EOS Rebel T3 features a 12.2 megapixel APS-C CMOS sensor with dimensions of 22.2 x 14.8 mm and a total area of 328.6 mm². Its native ISO range is 100 - 6,400. Canon EOS Rebel T7i features a 24.2 megapixel APS-C CMOS sensor with dimensions of 22.3 x 14.9 mm and a total area of 222 mm². Its native ISO range is 100 - 25,600 and expands to 100 - 51,200 in boosted mode.

Here is a sensor size comparison chart where you can see how different sensors compare with each other:

Sensor size chart

	Sensor	Dimensions	Area	Aspect Ratio	Crop Factor
	Medium Format	44 x 33 mm	1452 mm2	4:3	0.79x
	Full Frame	36 x 24 mm	864 mm2	3:2	1x
	APS-H	27 x 18 mm	486 mm2	3:2	1.3x
	APS-C	23.6 x 15.6 mm	368.2 mm2	3:2	1.5x
	APS-C (Canon)	22.3 x 14.9 mm	332.3 mm2	3:2	1.6x
	Micro Four Thirds	17.4 x 13 mm	226.2 mm2	4:3	2x
	1-inch	13.2 x 8.8 mm	116.2 mm2	3:2	2.7x
	1/1.7-inch	7.44 x 5.58 mm	41.5 mm2	4:3	4.7x
	1/2.3-inch	6.17 x 4.55 mm	28.1 mm2	4:3	5.6x

Canon EOS Rebel T3 is equipped with DIGIC 4 processor and can take pictures up to 4272 x 2848 resolution. It can also take pictures with lower resolution like 3088 x 2056, 2256 x 1504, 1920 x 1280, 720 x 480 with 3:2 aspect ratios. Canon EOS Rebel T7i is equipped with DIGIC 7 processor and can take pictures up to 6000 x 4000 resolution.

Lens Mount

Cameras have Canon EF/EF-S lens mount. Due to their APS-C sensor their crop factor (also called lens multiplier) is equal to 1.6x. This means that a 35mm equivalent focal length of the mounted lens will be equal to its actual focal length times 1.6.

No Image Stabilization

The cameras do not have image stabilization. On Canon EOS Rebel T3 it means that you need lenses with optical image stabilization for vibration reduction. As for Canon EOS Rebel T7i nothing can be done. On Canon EOS Rebel T7i it means that you need lenses with optical image stabilization for vibration reduction. As for Canon EOS Rebel T3 nothing can be done.

Built-in Wi-Fi on Canon EOS Rebel T7i

Canon EOS Rebel T7i has a built-in Wi-Fi which allows to easily transfer photos and videos from the camera to other Wi-Fi-enabled devices, such as smartphones, tablets, printers, or computers. This eliminates the need for cables and allows for quick and convenient media sharing and social media integration. It gives you the ability to control your camera remotely using a smartphone or tablet. This is particularly useful for taking self-portraits, group shots, or capturing images in challenging conditions without having to touch the camera. Firmware updates can also be downloaded and installed wirelessly.
  Check out the cameras in our database that have built-in WiFi.

Bluetooth on Canon EOS Rebel T7i

Canon EOS Rebel T7i has a built-in Bluetooth which lets you to connect the camera to a smartphone or a dedicated remote control device. This allows you to remotely trigger the camera, adjust settings and controls remotely through a paired mobile app. While Wi-Fi is generally faster for transferring larger files, Bluetooth can be used for small, selective transfers, it can provide real-time information about your camera's battery status, memory card capacity, and other key settings directly on your paired smartphone or smartwatch.
  Check out the cameras in our database that have built-in Bluetooth.

NFC on Canon EOS Rebel T7i

Canon EOS Rebel T7i has Near Field Communication (NFC) technology which simplifies the process of pairing it with other NFC-enabled devices like smartphones or tablets. It allows to quickly transfer photos and videos or remotely control the camera from compatible device. NFC can also be used for authentication and security purposes. It can verify your identity before accessing certain features or transferring sensitive data. It can be used with NFC-enabled accessories as well, such as lenses, flashes and GPS devices.

USB Inputs and HDMI Outputs

Both models have USB 2.0 (480 Mbit/sec) inputs for data transfer. Canon EOS Rebel T3 has a Mini HDMI and Canon EOS Rebel T7i has an HDMI connector for video signal output.

Battery

Canon EOS Rebel T3 comes with LP-E10 battery pack with battery life of 700 shots and Canon EOS Rebel T7i comes with LP-E17 battery pack with battery life of 600 shots.

External Storage Slots

Canon EOS Rebel T3 has a single SD/SDHC/SDXC card slot. Canon EOS Rebel T7i has a single SD/SDHC/SDXC (UHS-I) card slot.

Shutter

Canon EOS Rebel T7i has Electronic shutter and Mechanical Focal Plane shutter. Shutter speed can go up to 1/4000 sec on Canon EOS Rebel T3, and up to 1/4000 sec on Canon EOS Rebel T7i. Canon EOS Rebel T3 can shoot continuously up to 3.0 fps. Canon EOS Rebel T7i can shoot continuously up to 6.0 fps.

Focusing

Canon EOS Rebel T3 has 9 (1 cross-type) focusing points and Canon EOS Rebel T7i has Dual Pixel CMOS AF system with 45 focusing points. Canon EOS Rebel T7i has detection range from -3 to +18 EV.

Exposure

Exposure meterings of Canon EOS Rebel T7i ranges from +1 to +20 EV and you can set the exposure compensation within the ±5 EV range. You can also do exposure bracketing and manual exposure adjustment on Canon EOS Rebel T3 and exposure lock, exposure bracketing and manual exposure adjustment on Canon EOS Rebel T7i.

Flash

Cameras have built-in flash with maximum range of 9.20 m on Canon EOS Rebel T3 and 12.00 m at ISO 100 on Canon EOS Rebel T7i. They also accept external flash which can be connected via Hot Shoe to Canon EOS Rebel T7i. The fastest flash synchronization speed is 1/200 sec on both cameras.

Canon EOS Rebel T3 body has dimensions of 130 x 100 x 78 mm (5.12 x 3.94 x 3.07") and Canon EOS Rebel T7i body has dimensions of 131 x 100 x 76 mm (5.16 x 3.94 x 2.99"). Canon EOS Rebel T3 weighs 495 g (1.09 lb / 17.46 oz) and Canon EOS Rebel T7i weighs 532 g (1.17 lb / 18.77 oz).

Canon EOS Rebel T3

Canon EOS Rebel T7i

130 mm

100 mm

131 mm

100 mm

100 mm

100 mm

78 mm

76 mm