Canon EOS Rebel SL3 vs Canon EOS 6D

In this comparison, we will evaluate the Canon EOS Rebel SL3 and the Canon EOS 6D, 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 SL3 was introduced in April 2019 and Canon EOS 6D was introduced in February 2013. 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 SL3 over Canon EOS 6D.

This section shows those features and specifications which are the reason to choose Canon EOS 6D over Canon EOS Rebel SL3.

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 SL3 and Canon EOS 6D have 3.0" screens with 1,040k dot resolution. Canon EOS Rebel SL3 has a Fully Articulated screen which makes it selfie and vlogger friendly and generally very useful for video shooting. Canon EOS 6D has a Fixed screen Canon EOS Rebel SL3 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 Rebel SL3 has a built-in Optical (pentamirror) viewfinderCanon EOS 6D has a built-in Optical (pentaprism) viewfinder. Canon EOS Rebel SL3 has 95% coverage with 0.87x (0.54x 35mm equivalent) magnification and Canon EOS 6D has 97% coverage with 0.71x magnification.

Canon EOS Rebel SL3 features a 24.1 megapixel APS-C CMOS sensor with dimensions of 22.3 x 14.9 mm and a total area of 332.3 mm². Its native ISO range is 100 - 25,600 and expands to 100 - 51,200 in boosted mode. Canon EOS 6D features a 20.2 megapixel Full Frame CMOS sensor with dimensions of 36 x 24 mm and a total area of 576 mm². Its native ISO range is 100 - 25,600 and expands to 50 - 102,400 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 SL3 is equipped with DIGIC 8 processor and can take pictures up to 6000 x 4000 resolution. Canon EOS 6D is equipped with DIGIC 5+ processor and can take pictures up to 5472 x 3648 resolution. It can also take pictures with lower resolution like 3648 x 2432, 2736 x 1824, 1920 x 1280, 720 x 480 with 3:2 aspect ratios.

Lens Mount

Canon EOS Rebel SL3 has Canon EF/EF-S lens mount and Canon EOS 6D has Canon EF lens mount. Due to APS-C sensor in Canon EOS Rebel SL3 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. Due to Full Frame sensor in Canon EOS 6D 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.

No Image Stabilization

The cameras do not have image stabilization. On Canon EOS Rebel SL3 it means that you need lenses with optical image stabilization for vibration reduction. As for Canon EOS 6D nothing can be done. On Canon EOS 6D it means that you need lenses with optical image stabilization for vibration reduction. As for Canon EOS Rebel SL3 nothing can be done.

Built-in GPS on Canon EOS 6D

Canon EOS 6D has a built-in GPS (Global Positioning System) technology which allows you to automatically tag the location where you took your photos. You can later categorize, organize, and search for photos based on location. This is very useful for travel and outdoor photographers for documenting the locations where images were captured.
  Check out the cameras in our database that have built-in GPS.

Built-in Wi-Fi

Cameras have built-in Wi-Fi (802.11b/g/n 2.4 GHz on Canon EOS Rebel SL3) 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 SL3

Canon EOS Rebel SL3 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.

USB Inputs and HDMI Outputs

Both models have USB 2.0 (480 Mbit/sec) inputs for data transfer. Canon EOS Rebel SL3 has a Mini HDMI and Canon EOS 6D has a Mini HDMI connector for video signal output.

Battery

Canon EOS Rebel SL3 comes with LP-E17 battery pack with battery life of 1070 shots and Canon EOS 6D comes with LP-E6 battery pack with battery life of 1090 shots.

External Storage Slots

Canon EOS Rebel SL3 has a single SD/SDHC/SDXC (UHS-I) card slot. Canon EOS 6D has a single SD/SDHC/SDXC card slot.

Shutter

Canon EOS Rebel SL3 has Electronic shutter and Mechanical Focal Plane shutter. Canon EOS 6D has Electronically Controlled Vertical-travel Mechanical Focal-plane shutter. Shutter speed can go up to 1/4000 sec on Canon EOS Rebel SL3, and up to 1/4000 sec on Canon EOS 6D. Canon EOS Rebel SL3 can shoot continuously up to 5.0 fps. Canon EOS 6D can shoot continuously up to 4.5 fps.

Focusing

Both cameras have Dual Pixel CMOS AF system with Canon EOS Rebel SL3 having 9 (1 cross-type) focusing points and from -4 to +18 EV detection range and with Canon EOS 6D having 11 (1 cross-type) focusing points and from -3 to +18 EV detection range. and Canon EOS Rebel SL3 having from -4 to +18 EV detection range and Canon EOS 6D having from -3 to +18 EV detection range.

Exposure

Both cameras' exposure metering ranges from +1 to +20 EV and you can set the exposure compensation within the ±5 EV range. You can also do exposure lock, exposure bracketing and manual exposure adjustment on Canon EOS Rebel SL3 and exposure bracketing and manual exposure adjustment on Canon EOS 6D.

Flash

Canon EOS Rebel SL3 has a built-in flash and also accepts external flash which can be connected via Hot Shoe. Canon EOS 6D 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 SL3 and 1/180 sec on Canon EOS 6D.

Canon EOS Rebel SL3 body has dimensions of 122 x 93 x 70 mm (4.8 x 3.66 x 2.76") and Canon EOS 6D body has dimensions of 145 x 111 x 71 mm (5.71 x 4.37 x 2.8"). Canon EOS Rebel SL3 weighs 449 g (0.99 lb / 15.84 oz) and Canon EOS 6D weighs 770 g (1.70 lb / 27.16 oz).

Canon EOS Rebel SL3

Canon EOS 6D

122 mm

93 mm

145 mm

111 mm

93 mm

111 mm

70 mm

71 mm