Canon EOS R vs Canon EOS Rebel T2i

In this comparison, we will evaluate the Canon EOS R and the Canon EOS Rebel T2i, 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 R was introduced in September 2018 and Canon EOS Rebel T2i was introduced in April 2010. 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 R over Canon EOS Rebel T2i.

This section shows those features and specifications which are the reason to choose Canon EOS Rebel T2i over Canon EOS R.

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 R has a 3.15" Fully Articulated screen with 2,100k dot resolution and Canon EOS Rebel T2i has a 3.0" Fixed screen with 1,040k dot resolution. Fully articulated screen makes Canon EOS R selfie and vlogger friendly and generally very useful for video shooting. Canon EOS R also features touchscreen which has advantages such as easy menu navigation, intuitive controls, quick setting adjustment and most importantly a Touch-to-Focus functionality 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

Canon EOS R has a built-in 0.5" Electronic viewfinder with 3,690k dot resolution and Canon EOS Rebel T2i has a built-in Optical (pentamirror) viewfinder. Canon EOS R has 100% coverage with 0.76x magnification and Canon EOS Rebel T2i has 95% coverage with 0.87x (0.54x 35mm equivalent) magnification.

Canon EOS R features a 30.3 megapixel Full Frame CMOS sensor with dimensions of 36 x 24 mm and a total area of 864 mm². Its native ISO range is 100 - 40,000 and expands to 50 - 102,400 in boosted mode. Canon EOS Rebel T2i features a 18.0 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 - 6,400 and expands to 100 - 12,800 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 R is equipped with DIGIC 8 processor and can take pictures up to 6720 x 4480 resolution. It can also take pictures with lower resolution like 4176 x 2784 (1.6x crop) with 1:1, 4:3, 3:2, 16:9 aspect ratios. Canon EOS Rebel T2i is equipped with DIGIC 4 processor and can take pictures up to 5184 x 3456 resolution. It can also take pictures with lower resolution like 3456 x 2304, 2592 x 1728 with 3:2 aspect ratios.

Lens Mount

Canon EOS R has Canon RF lens mount and Canon EOS Rebel T2i has Canon EF/EF-S lens mount. Due to Full Frame sensor in Canon EOS R its crop factor is equal to 1x, this means that a 35mm equivalent focal length of the mounted lens will be equal to its actual focal length. Due to APS-C sensor in Canon EOS Rebel T2i its crop factor 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 R it means that you need lenses with optical image stabilization for vibration reduction. As for Canon EOS Rebel T2i nothing can be done. On Canon EOS Rebel T2i it means that you need lenses with optical image stabilization for vibration reduction. As for Canon EOS R nothing can be done.

Built-in Wi-Fi on Canon EOS R

Canon EOS R has a built-in Wi-Fi (802.11b/g/n, 2.4 GHz) 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 R

Canon EOS R has a built-in Bluetooth (version 4.1 LE) 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.

USB Inputs and HDMI Outputs

Both models have USB inputs for data transfer. Canon EOS R has a Mini HDMI and Canon EOS Rebel T2i has a Mini HDMI connector for video signal output.

Battery

Canon EOS R comes with LP-E6N battery pack with battery life of 370 shots and Canon EOS Rebel T2i comes with LP-E8 battery pack with battery life of 470 shots.

External Storage Slots

Canon EOS R has a single SD/SDHC/SDXC (UHS-II) card slot. Canon EOS Rebel T2i has a single SD/SDHC/SDXC card slot.

Shutter

Canon EOS R has Electronic shutter. Canon EOS Rebel T2i has Electronically Controlled Vertical-travel Mechanical Focal-plane shutter. Shutter speed can go up to 1/8000 sec on Canon EOS R, and up to 1/4000 sec on Canon EOS Rebel T2i. Canon EOS R can shoot continuously up to 8.0 fps. Canon EOS Rebel T2i can shoot continuously up to 3.7 fps.

Focusing

Both cameras have Dual Pixel CMOS AF system with Canon EOS R having 5655 focusing points and from -6 to +18 EV detection range and with Canon EOS Rebel T2i having 9 focusing points and from -0.5 to +18 EV detection range. and Canon EOS R having from -6 to +18 EV detection range and Canon EOS Rebel T2i having from -0.5 to +18 EV detection range.

Exposure

Exposure meterings of Canon EOS R and Canon EOS Rebel T2i range from -3 to +20 EV and +1 to +20 EV respectively and you can set the exposure compensation within the ±3 EV range on Canon EOS R and ±5 EV range on Canon EOS Rebel T2i. You can also do exposure lock, exposure bracketing and manual exposure adjustment on Canon EOS R and exposure bracketing and manual exposure adjustment on Canon EOS Rebel T2i.

Flash

Canon EOS Rebel T2i has a built-in flash with maximum range of 13.00 m and also accepts external flash which can be connected via Hot Shoe. Canon EOS R has no built-in flash but an external flash may be connected via Hot Shoe. The fastest flash synchronization speed is 1/200 sec on Canon EOS Rebel T2i.

Canon EOS R body has dimensions of 136 x 98 x 84 mm (5.35 x 3.86 x 3.31") and Canon EOS Rebel T2i body has dimensions of 129 x 98 x 62 mm (5.08 x 3.86 x 2.44"). Canon EOS R weighs 660 g (1.46 lb / 23.28 oz) and Canon EOS Rebel T2i weighs 530 g (1.17 lb / 18.70 oz).

Canon EOS R

Canon EOS Rebel T2i

136 mm

98 mm

129 mm

98 mm

98 mm

98 mm

84 mm

62 mm