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Canon SL1 vs T6i

The Canon EOS Rebel SL1 (called Canon 100D in some regions) and the Canon EOS Rebel T6i (labelled Canon 750D in some countries) are two digital cameras that were announced, respectively, in March 2013 and February 2015. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The SL1 has a resolution of 17.9 megapixels, whereas the T6i provides 24 MP.

As their names suggest, both the Canon EOS Rebel SL1 and the Canon EOS Rebel T6i belong to Canon's Rebel line of DSLR cameras. This range of APS-C cameras, which started out with the Canon EOS Digital Rebel in 2003, has been a big commercial success and the backbone of Canon's dominance in the digital camera market. The popularity of the Rebel cameras is the result of them inheriting much of the sensor and shooting technology from earlier released professional DSLRs, while being sold at a much more budget-friendly price point. The strong brand reputation of Canon and the comprehensive EOS system of compatible lenses and accessories further contributes to the appeal of the Rebel cams, including the Canon SL1 and Canon T6i. Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon SL1 versus Canon T6i
Canon SL1 Canon T6i
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
17.9 MP, APS-C Sensor 24 MP, APS-C Sensor
1080/30p Video 1080/30p Video
ISO 100-12,800 (100 - 25,600) ISO 100-12,800 (100 - 25,600)
Optical viewfinder Optical viewfinder
3.0 LCD, 1040k dots 3.0 LCD, 1040k dots
Fixed touchscreen Swivel touchscreen
4.9 shutter flaps per second 5 shutter flaps per second
380 shots per battery charge440 shots per battery charge
117 x 91 x 69 mm, 407 g 132 x 101 x 78 mm, 555 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel SL1 and the Canon EOS Rebel T6i? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The physical size and weight of the Canon SL1 and the Canon T6i are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The SL1 can be obtained in two different colors (black, white), while the T6i is only available in black.

Size Canon SL1 vs Canon T6i
Compare SL1 versus T6i top
Comparison SL1 or T6i rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T6i is notably larger (25 percent) than the Canon SL1. Moreover, the T6i is substantially heavier (36 percent) than the SL1. In this context, it is worth noting that neither the SL1 nor the T6i are weather-sealed.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the SL1 gets 380 shots out of its LP-E12 battery, while the T6i can take 440 images on a single charge of its LP-E17 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Canon SL1 4.6 in 3.6 in 2.7 in 14.4 oz 380 n Mar 2013 549i
 
Canon T6i 5.2 in 4.0 in 3.1 in 19.6 oz 440 n Feb 2015 749i
 
Canon T100 5.1 in 4.0 in 3.0 in 15.4 oz 500 n Feb 2018 399 i
 
Canon 77D 5.2 in 3.9 in 3.0 in 19.0 oz 600 n Feb 2017 899 i
 
Canon SL2 4.8 in 3.7 in 2.8 in 16.0 oz 650 n Jun 2017 549i
 
Canon T7i 5.2 in 3.9 in 3.0 in 18.8 oz 600 n Feb 2017 749i
 
Canon T6 5.1 in 4.0 in 3.1 in 17.1 oz 500 n Mar 2016 449i
 
Canon M10 4.3 in 2.6 in 1.4 in 10.6 oz 255 n Oct 2015 499i
 
Canon T6s 5.2 in 4.0 in 3.1 in 19.9 oz 440 n Feb 2015 649i
 
Canon T5 5.1 in 3.9 in 3.1 in 16.9 oz 500 n Feb 2014 449i
 
Canon G16 4.3 in 3.0 in 1.6 in 12.6 oz 360 n Aug 2013 549 i
 
Canon T5i 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649i
 
Canon M 4.3 in 2.6 in 1.3 in 10.5 oz 230 n Jul 2012 599i
 
Canon T4i 5.2 in 3.9 in 3.1 in 20.3 oz 440 n Jun 2012 849i
 
Canon T3i 5.2 in 3.9 in 3.1 in 20.1 oz 440 n Feb 2011 599i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The SL1 was launched at a markedly lower price (by 27 percent) than the T6i, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor and have a format factor (sometimes also referred to as "crop factor") of 1.6. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, the T6i uses a more advanced image processing engine (DIGIC 6) than the SL1 (DIGIC 5), with benefits for noise reduction, color accuracy, and processing speed.

Canon SL1 and Canon T6i sensor measures

While the two cameras under review share the same sensor size, the T6i offers a higher resolution of 24 megapixels, compared with 17.9 MP of the SL1. This megapixels advantage translates into a 16 percent gain in linear resolution. On the other hand, these sensor specs imply that the T6i has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.72μm versus 4.31μm for the SL1). However, it should be noted that the T6i is a somewhat more recent model (by 1 year and 10 months) than the SL1, and its sensor might have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size.

The resolution advantage of the Canon T6i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T6i for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Canon SL1 are 25.9 x 17.3 inches or 65.8 x 43.9 cm for good quality, 20.7 x 13.8 inches or 52.7 x 35.1 cm for very good quality, and 17.3 x 11.5 inches or 43.9 x 29.3 cm for excellent quality prints.

The Canon EOS Rebel SL1 has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 100-25600. The Canon EOS Rebel T6i offers exactly the same ISO settings.

SL1 versus T6i MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the T6i has a markedly higher DXO score than the SL1 (overall score 8 points higher), which will translate into better image quality. The advantage is based on 0.9 bits higher color depth, 0.7 EV in additional dynamic range, and 0.1 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
 
Canon T100 APS-C 17.9 5184 34561080/30p21.911.469563
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
 
Canon SL2 APS-C 24.0 6000 40001080/60p23.613.4104179
 
Canon T7i APS-C 24.0 6000 40001080/60p........
 
Canon T6 APS-C 17.9 5184 34561080/30p........
 
Canon M10 APS-C 17.9 5184 34561080/30p22.211.475365
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
 
Canon T5 APS-C 17.9 5184 34561080/30p21.911.372463
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
 
Canon M APS-C 17.9 5184 34561080/30p22.111.282765
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
 
Canon T3i APS-C 17.9 5184 34561080/30p22.111.579365

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (1080/30p).

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The SL1 and the T6i are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinders of both cameras offer the same field of view (95%), but the viewfinder of the SL1 has a higher magnification than the one of the T6i (0.54x vs 0.51x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon SL1, the Canon T6i, and comparable cameras.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
 
Canon SL1optical n 3.0 1040 fixed Y 1/4000s 4.9 Y n
 
Canon T6ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon T100optical n 2.7 230 fixed n 1/4000s 3.0 Y n
 
Canon 77Doptical Y 3.0 1040 swivel Y 1/4000s 6.0 Y n
 
Canon SL2optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon T7ioptical n 3.0 1040 swivel Y 1/4000s 6.0 Y n
 
Canon T6optical n 3.0 920 fixed n 1/4000s 3.0 Y n
 
Canon M10none n 3.0 1040 tilting Y 1/4000s 4.6 Y n
 
Canon T6soptical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon T5optical n 3.0 460 fixed n 1/4000s 3.0 Y n
 
Canon G16optical n 3.0 922 fixed n 1/4000s 2.2 Y Y
 
Canon T5ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon Mnone n 3.0 1040 fixed Y 1/4000s 4.3 n n
 
Canon T4ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon T3ioptical n 3.0 1040 swivel n 1/4000s 3.7 Y n
The T6i has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the SL1 does not have a selfie-screen.

Concerning the storage of imaging data, both the SL1 and the T6i write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS Rebel SL1 and Canon EOS Rebel T6i and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Canon SL1YmonomonoY-mini2.0---
 
Canon T6iYstereomonoY-mini2.0YY-
 
Canon T100Ymonomono--mini2.0YY-
 
Canon 77DYstereomonoY-mini2.0YYY
 
Canon SL2YstereomonoY-mini2.0YYY
 
Canon T7iYstereomonoY-mini2.0YYY
 
Canon T6Ymonomono--mini2.0YY-
 
Canon M10-stereomono--mini2.0YY-
 
Canon T6sYstereomonoY-mini2.0YY-
 
Canon T5Ymonomono--mini2.0---
 
Canon G16Ystereomono--mini2.0Y--
 
Canon T5iYstereomonoY-mini2.0---
 
Canon MYstereomonoY-mini2.0---
 
Canon T4iYstereomonoY-mini2.0---
 
Canon T3iYmonomonoY-mini2.0---

It is notable that the T6i offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the SL1 does not provide wifi capability.

Both the SL1 and the T6i have been discontinued, but can regularly be found used on eBay. The SL1 was replaced by the Canon SL2, while the T6i was followed by the Canon T7i. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon SL1 and the Canon T6i? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.


Reasons to prefer the Canon EOS Rebel SL1:

  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.54x vs 0.51x).
  • More compact: Is smaller (117x91mm vs 132x101mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 148g or 27 percent) and hence easier to carry around.
  • More affordable: Was introduced into a lower priced category (27 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in March 2013).


Arguments in favor of the Canon EOS Rebel T6i:

  • More detail: Has more megapixels (24 vs 17.9MP), which boosts linear resolution by 16%.
  • Better image quality: Scores markedly higher (8 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (0.7 EV of extra DR).
  • Better jpgs: Has a more modern image processing engine (DIGIC 6 vs DIGIC 5).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Longer lasting: Gets more shots (440 versus 380) out of a single battery charge.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More modern: Was introduced somewhat (1 year and 10 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the T6i is the clear winner of the contest (10 : 5 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

SL1 05:10 T6i

How about other alternatives? Do the specifications of the Canon SL1 and the Canon T6i place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the SL1 or the T6i perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon SL1+78/1004/54/54/5 Mar 2013 549i
 
Canon T6i..75/1004.5/54.5/54.5/5 Feb 2015 749i
 
Canon T100o..3.5/5..3.5/5 Feb 2018 399 i
 
Canon 77D..82/1004.5/54.5/54/5 Feb 2017 899 i
 
Canon SL2+ +78/1004.5/54.5/54.5/5 Jun 2017 549i
 
Canon T7i..80/1004.5/54/54/5 Feb 2017 749i
 
Canon T6o73/1004/53.5/54/5 Mar 2016 449i
 
Canon M10......o4/5 Oct 2015 499i
 
Canon T6s+77/1004.5/54.5/54.5/5 Feb 2015 649i
 
Canon T5+..4/54/54.5/5 Feb 2014 449i
 
Canon G16+..4.5/54.5/54.5/5 Aug 2013 549 i
 
Canon T5i..76/1004.5/54.5/54.5/5 Mar 2013 649i
 
Canon M+..4/53.5/54/5 Jul 2012 599i
 
Canon T4i+ +77/1004.5/54.5/54.5/5 Jun 2012 849i
 
Canon T3io77/1004.5/55/54.5/5 Feb 2011 599i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Canon SL1:
Check Ebay offers
Canon T6i:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Canon SL1 vs Canon T6i

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Canon SL1 Canon T6i
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date March 2013 February 2015
    Launch Price USD 549 USD 749
    Sensor Specs Canon SL1 Canon T6i
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.3 x 14.9 mm 22.3 x 14.9 mm
    Sensor Area 332.27 mm2 332.27 mm2
    Sensor Diagonal 26.8 mm 26.8 mm
    Crop Factor 1.6x 1.6x
    Sensor Resolution 17.9 Megapixels 24 Megapixels
    Image Resolution 5184 x 3456 pixels 6000 x 4000 pixels
    Pixel Pitch 4.31 μm 3.72 μm
    Pixel Density 5.39 MP/cm2 7.22 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 1080/30p Video
    ISO Setting 100 - 12,800 ISO 100 - 12,800 ISO
    ISO Boost 100 - 25,600 ISO 100 - 25,600 ISO
    Image Processor DIGIC 5 DIGIC 6
    DXO Sensor Quality (score) 63 71
    DXO Color Depth (bits) 21.8 22.7
    DXO Dynamic Range (EV) 11.3 12.0
    DXO Low Light (ISO) 843 919
    Screen Specs Canon SL1 Canon T6i
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 95%
    Viewfinder Magnification 0.54x 0.51x
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon SL1 Canon T6i
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 4.9 shutter flaps/s 5 shutter flaps/s
    Shutter Life Expectancy100 000 actuations100 000 actuations
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Canon SL1 Canon T6i
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Canon SL1 Canon T6i
    Battery Type LP-E12 LP-E17
    Battery Life (CIPA)380 shots per charge440 shots per charge
    Body Dimensions 117 x 91 x 69 mm
    (4.6 x 3.6 x 2.7 in)
    132 x 101 x 78 mm
    (5.2 x 4.0 x 3.1 in)
    Camera Weight 407 g (14.4 oz) 555 g (19.6 oz)

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