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Canon 70D versus Canon T6i

The Canon EOS 70D and the Canon EOS Rebel T6i (called Canon 750D in some regions) are two digital cameras that were announced, respectively, in July 2013 and February 2015. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The 70D has a resolution of 20 megapixel, whereas the T6i provides 24 MP.

Body comparison

An illustration of the physical size and weight of the Canon 70D and the Canon T6i is provided in the side-by-side display below. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter. You can also toggle the display to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left side – the 70D – represents the basis for the calculations across all the size and weight measures).

Canon 70D vs Canon T6i front
70D versus T6i top view
70D and T6i rear side
Body view (70D on the left)

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T6i is somewhat smaller (8 percent) than the Canon 70D. Moreover, the T6i is markedly lighter (26 percent) than the 70D. Cameras that are aimed at professionals or semi-pros tend to be a bit bulkier in order to give them the necessary environmental and shock resistance. It is worth mentioning in this context that the 70D is splash and dust resistant, while the T6i does not feature any corresponding weather-sealing.

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 find an overview of suitable optics in the Canon EF Lens Catalog.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible comparisons there.

Camera Body Specifications
Camera Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(y/n)
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon 70D (⇒ rgt) 5.5 in 4.1 in 3.1 in 26.6 oz 920 YES 2013 1,199discont. check
Canon T6i (⇒ lft) 5.2 in 4.0 in 3.1 in 19.6 oz 440 no 2015 749discont. check
Canon 80D (⇒ lft | rgt) 5.5 in 4.1 in 3.1 in 25.8 oz 960 YES 2016 1,199 latest check
Canon M3 (⇒ lft | rgt) 4.4 in 2.7 in 1.7 in 12.9 oz 250 no 2015 679discont. check
Canon T6s (⇒ lft | rgt) 5.2 in 4.0 in 3.1 in 19.9 oz 440 no 2015 849discont. check
Canon G3 X (⇒ lft | rgt) 4.8 in 3.0 in 4.1 in 25.9 oz 300 YES 2015 999 latest check
Canon 7D II (⇒ lft | rgt) 5.9 in 4.4 in 3.1 in 32.1 oz 670 YES 2014 1,799 latest check
Canon G7 X (⇒ lft | rgt) 4.1 in 2.4 in 1.6 in 10.7 oz 210 no 2014 699discont. check
Canon T5i (⇒ lft | rgt) 5.2 in 3.9 in 3.1 in 20.5 oz 440 no 2013 649discont. check
Canon SL1 (⇒ lft | rgt) 4.6 in 3.6 in 2.7 in 14.4 oz 380 no 2013 549discont. check
Canon 6D (⇒ lft | rgt) 5.7 in 4.4 in 2.8 in 27.2 oz 1090 YES 2012 2,099discont. check
Canon 5D Mark III (⇒ lft | rgt) 6.0 in 4.6 in 3.0 in 33.5 oz 950 YES 2012 3,499discont. check
Canon 60D (⇒ lft | rgt) 5.7 in 4.2 in 3.1 in 26.6 oz 1100 YES 2010 1,399discont. check
Nikon D7100 (⇒ lft | rgt) 5.4 in 4.2 in 3.0 in 27.0 oz 950 YES 2013 1,199discont. check
Sony RX10 (⇒ lft | rgt) 5.1 in 3.5 in 4.0 in 28.7 oz 420 YES 2013 1,299discont. check

The listed prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The T6i was launched at a markedly lower price (by 38 percent) than the 70D, 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 size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the T6i is 2 percent smaller. They nevertheless have the same format factor of 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 70D and Canon T6i sensor measures
Sensor size

Despite having a slightly smaller sensor, the T6i offers a higher resolution of 24 megapixel, compared with 20 MP of the 70D. This megapixel advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.72μm versus 4.11μm for the 70D). However, it should be noted that the T6i is a somewhat more recent model (by 1 year and 7 months) than the 70D, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage.

70D versus T6i MP
Sensor resolution

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar image quality. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics
Camera Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon 70D (⇒ rgt) APS-C 20.0 5472 3648 1080/30p 22.5 11.6 926 68
Canon T6i (⇒ lft) APS-C 24.0 6000 4000 1080/60p 22.7 12.0 919 71
Canon 80D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.6 13.2 1135 79
Canon M3 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/30p 22.8 11.8 1169 72
Canon T6s (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/30p 22.6 12.0 915 70
Canon G3 X (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 21.4 12.3 521 63
Canon 7D II (⇒ lft | rgt) APS-C 20.0 5472 3648 1080/60p 22.4 11.8 1082 70
Canon G7 X (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 23.0 12.7 556 71
Canon T5i (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 21.7 11.2 681 61
Canon SL1 (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 21.8 11.3 843 63
Canon 6D (⇒ lft | rgt) Full Frame 20.0 5472 3648 1080/30p 23.8 12.1 2340 82
Canon 5D Mark III (⇒ lft | rgt) Full Frame 22.1 5760 3840 1080/30p 24 11.7 2293 81
Canon 60D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 22.2 11.5 813 66
Nikon D7100 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 24.2 13.7 1256 83
Sony RX10 (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 22.9 12.6 474 69

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the T6i provides a faster frame rate than the 70D. It can shoot movie footage at 1080/60p, while the 70D is limited to 1080/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The 70D 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 adjacent table lists some of the other core features of the Canon 70D and Canon T6i along with similar information for a selection of comparators. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

Core Features
Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(Y/n)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(Y/n)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(GN)
Build-in
Image
Stab
Canon 70D (⇒ rgt) optical YES 3.0 1040 swivel YES 8000 7.0 12 no
Canon T6i (⇒ lft) optical no 3.0 1040 swivel YES 4000 5.0 12 no
Canon 80D (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 8000 7.0 12 no
Canon M3 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 4.2 5 no
Canon T6s (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 4000 5.0 12 no
Canon G3 X (⇒ lft | rgt) no no 3.2 1620 tilting YES 2000 5.9 6.8 no
Canon 7D II (⇒ lft | rgt) optical YES 3.0 1040 fixed no 8000 10.0 11 no
Canon G7 X (⇒ lft | rgt) no no 3.0 1040 tilting YES 2000 6.5 7 no
Canon T5i (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 13 no
Canon SL1 (⇒ lft | rgt) optical no 3.0 1040 fixed YES 4000 4.9 9.4 no
Canon 6D (⇒ lft | rgt) optical YES 3.0 1040 fixed no 4000 4.5 no no
Canon 5D Mark III (⇒ lft | rgt) optical YES 3.2 1040 fixed no 8000 6.0 no no
Canon 60D (⇒ lft | rgt) optical YES 3.0 1040 swivel no 8000 5.3 13 no
Nikon D7100 (⇒ lft | rgt) optical YES 3.2 1229 fixed no 8000 6.0 12 no
Sony RX10 (⇒ lft | rgt) 1440 YES 3.0 1229 tilting no 3200 10.0 10.2 no

Both the 70D and the T6i have been discontinued, but can regularly be found used on ebay. The 70D was replaced by the Canon 80D, while the T6i was followed by the Canon T7i.

Summary

So what is the bottom line? Is there a clear favorite between the Canon 70D and the Canon 70D? Below is a summary of the relative strengths of each of the two contestants.


Arguments in favor of the Canon EOS 70D:

  • Easier setting verification: Has an LCD display on top to control shooting parameters.
  • Faster shutter: Has a higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • Faster burst: Shoots at higher frequency (7 vs 5 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (920 versus 440) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More heavily discounted: Has been on the market for longer (launched in July 2013).

Reasons to prefer the Canon EOS Rebel T6i:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better video: Provides higher movie framerates (1080/30p vs 1080/60p).
  • Less heavy: Has a lower weight (by 200g or 26 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (38 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year and 7 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the 70D comes out slightly ahead of the T6i (6 : 5 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points.

70D 06:05 T6i

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the 70D or the T6i handle or perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate. This is where reviews by experts come in. The following table reports the overall rankings of the cameras as published by some of the major camera review sites. The detailed reviews can be accessed, respectively, on the websites of cameralabs.com, dpreview.com, ephotozine.com, imaging-resource.com, and photographyblog.com.

Review scores
Camera camera
labs
dp
review
ephoto
zine
imaging
resource
photography
blog
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon 70D (⇒ rgt) HiRec 83/100 Gold 4.5/5 4.5/5 5/5 2013 1,199discont. check
Canon T6i (⇒ lft) - 75/100 4.5/5 4.5/5 4.5/5 2015 749discont. check
Canon 80D (⇒ lft | rgt) HiRec 84/100 Silver 4.5/5 4.5/5 4.5/5 2016 1,199 latest check
Canon M3 (⇒ lft | rgt) reviewed 75/100 4.5/5 4.5/5 4/5 2015 679discont. check
Canon T6s (⇒ lft | rgt) Rec 77/100 Silver 4.5/5 4.5/5 4.5/5 2015 849discont. check
Canon G3 X (⇒ lft | rgt) Rec - 4.5/5 3.5/5 4/5 2015 999 latest check
Canon 7D II (⇒ lft | rgt) Rec 84/100 Silver 4/5 5/5 4.5/5 2014 1,799 latest check
Canon G7 X (⇒ lft | rgt) HiRec 77/100 Silver 4.5/5 3.5/5 4.5/5 2014 699discont. check
Canon T5i (⇒ lft | rgt) - 76/100 Silver 4.5/5 4.5/5 4.5/5 2013 649discont. check
Canon SL1 (⇒ lft | rgt) Rec 78/100 Gold 4/5 4/5 4/5 2013 549discont. check
Canon 6D (⇒ lft | rgt) HiRec 83/100 Silver 4.5/5 4.5/5 4.5/5 2012 2,099discont. check
Canon 5D Mark III (⇒ lft | rgt) HiRec 82/100 Gold 4.5/5 5/5 4.5/5 2012 3,499discont. check
Canon 60D (⇒ lft | rgt) 87/100 Rec 79/100 Silver 4/5 5/5 4.5/5 2010 1,399discont. check
Nikon D7100 (⇒ lft | rgt) HiRec 85/100 Gold 4.5/5 5/5 4.5/5 2013 1,199discont. check
Sony RX10 (⇒ lft | rgt) Rec 80/100 Gold 4.5/5 4.5/5 4.5/5 2013 1,299discont. check

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Other comparisons

In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If the camera you are interested in is not available, please contact me, and I will try to update the database with the necessary infos.

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