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Canon 800D versus Canon 6D

The Canon EOS 800D (called Canon T7i in some regions) and the Canon EOS 6D are two digital cameras that were revealed to the public, respectively, in February 2017 and September 2012. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (800D) and a full frame sensor. The 800D has a resolution of 24 megapixel, whereas the 6D provides 20 MP.

Body comparison

The physical size and weight of the Canon 800D and the Canon 6D are illustrated in the side-by-side display below. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left – the 800D – represents the basis or 100 percent across all the size and weight measures).

Canon 800D vs Canon 6D front
800D versus 6D top view
800D and 6D rear side
Body view (800D 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 6D is notably larger (23 percent) than the Canon 800D. Moreover, the 6D is substantially heavier (45 percent) than the 800D. It is noteworthy in this context that the 6D is splash and dust-proof, while the 800D 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. A larger imaging sensor (as in the 6D) will tend to go along with bigger and heavier lenses, while more compact options are available for the smaller-sensor camera (800D). You can find a comprehensive 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 800D (⇒ rgt) 131 mm 100 mm 76 mm 532 g 600 no 2017 749 latest check
Canon 6D (⇒ lft) 145 mm 111 mm 71 mm 770 g 1090 YES 2012 2,099discont. check
Canon 200D (⇒ lft | rgt) 122 mm 93 mm 70 mm 453 g 650 no 2017 549 latest check
Canon 6D Mark II (⇒ lft | rgt) 144 mm 111 mm 75 mm 765 g 1200 YES 2017 1,999 latest check
Canon 77D (⇒ lft | rgt) 131 mm 100 mm 76 mm 540 g 600 no 2017 899 latest check
Canon M6 (⇒ lft | rgt) 112 mm 68 mm 45 mm 390 g 295 no 2017 779 latest check
Canon 1300D (⇒ lft | rgt) 129 mm 101 mm 78 mm 485 g 500 no 2016 449 latest check
Canon G7 X Mark II (⇒ lft | rgt) 106 mm 61 mm 42 mm 319 g 265 no 2016 699 latest check
Canon 750D (⇒ lft | rgt) 132 mm 101 mm 78 mm 555 g 440 no 2015 749discont. check
Canon 760D (⇒ lft | rgt) 132 mm 101 mm 78 mm 565 g 440 no 2015 849discont. check
Canon 7D II (⇒ lft | rgt) 149 mm 112 mm 78 mm 910 g 670 YES 2014 1,799 latest check
Canon 700D (⇒ lft | rgt) 133 mm 100 mm 79 mm 580 g 440 no 2013 649discont. check
Canon 70D (⇒ lft | rgt) 139 mm 104 mm 79 mm 755 g 920 YES 2013 1,199discont. check
Canon 5D Mark III (⇒ lft | rgt) 152 mm 116 mm 76 mm 950 g 950 YES 2012 3,499discont. check
Canon 650D (⇒ lft | rgt) 133 mm 100 mm 79 mm 575 g 440 no 2012 849discont. check
Canon 1D X (⇒ lft | rgt) 158 mm 168 mm 83 mm 1551 g 1120 YES 2011 6,799discont. check
Nikon D5600 (⇒ lft | rgt) 124 mm 97 mm 70 mm 465 g 970 no 2016 699 latest check

The listed prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 800D was launched at a markedly lower price (by 64 percent) than the 6D, 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. 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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 800D features an APS-C sensor and the Canon 6D a full frame sensor. The sensor area in the 6D is 160 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 800D and Canon 6D sensor measures
Sensor size

Despite having a smaller sensor, the Canon 800D offers a higher resolution of 24 megapixel, compared with 20 MP of the Canon 6D. 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 6.57μm for the 6D). However, it should be noted that the 800D is much more recent (by 4 years and 4 months) than the 6D, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

800D versus 6D MP
Sensor resolution

For most cameras, data on sensor performance has been reported by DXO Mark. 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"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
Camera Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon 800D (⇒ rgt) APS-C 24.0 6000 4000 1080/60p .. .. .. ..
Canon 6D (⇒ lft) Full Frame 20.0 5472 3648 1080/30p 23.8 12.1 2340 82
Canon 200D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.6 13.4 1041 79
Canon 6D Mark II (⇒ lft | rgt) Full Frame 26.0 6240 4160 1080/60p 24.4 11.9 2862 85
Canon 77D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p .. .. .. ..
Canon M6 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p .. .. .. ..
Canon 1300D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p - - - -
Canon G7 X Mark II (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p - - - -
Canon 750D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 22.7 12.0 919 71
Canon 760D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/30p 22.6 12.0 915 70
Canon 7D II (⇒ lft | rgt) APS-C 20.0 5472 3648 1080/60p 22.4 11.8 1082 70
Canon 700D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 21.7 11.2 681 61
Canon 70D (⇒ lft | rgt) APS-C 20.0 5472 3648 1080/30p 22.5 11.6 926 68
Canon 5D Mark III (⇒ lft | rgt) Full Frame 22.1 5760 3840 1080/30p 24 11.7 2293 81
Canon 650D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 21.7 11.2 722 62
Canon 1D X (⇒ lft | rgt) Full Frame 17.9 5184 3456 1080/30p 23.8 11.8 2786 82
Nikon D5600 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 24.1 14.0 1306 84

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, but the 800D provides a higher frame rate than the 6D. It can shoot video footage at 1080/60p, while the 6D is limited to 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The 800D and the 6D 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 following table reports on some other key feature differences and similarities of the Canon 800D, the Canon 6D, and comparable cameras. If needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.

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 800D (⇒ rgt) optical no 3.0 1040 swivel YES 4000 6.0 12 no
Canon 6D (⇒ lft) optical YES 3.0 1040 fixed no 4000 4.5 no no
Canon 200D (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 9.8 no
Canon 6D Mark II (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 4000 6.5 no no
Canon 77D (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 4000 6.0 12 no
Canon M6 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 9.0 5 no
Canon 1300D (⇒ lft | rgt) optical no 3.0 920 fixed no 4000 3.0 9.2 no
Canon G7 X Mark II (⇒ lft | rgt) no no 3.0 1040 tilting YES 2000 8.0 7 YES
Canon 750D (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 12 no
Canon 760D (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 4000 5.0 12 no
Canon 7D II (⇒ lft | rgt) optical YES 3.0 1040 fixed no 8000 10.0 11 no
Canon 700D (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 13 no
Canon 70D (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 8000 7.0 12 no
Canon 5D Mark III (⇒ lft | rgt) optical YES 3.2 1040 fixed no 8000 6.0 no no
Canon 650D (⇒ lft | rgt) optical no 3 1040 swivel YES 4000 5.0 YES no
Canon 1D X (⇒ lft | rgt) optical YES 3.2 1040 fixed no 8000 14.0 no no
Nikon D5600 (⇒ lft | rgt) optical no 3.2 1037 swivel YES 4000 5.0 12 no

The 800D is a current model that online retailers, such as amazon, will have in stock. In contrast, the 6D has been discontinued (but it can be found pre-owned on ebay). As a replacement in the same line of cameras, the 6D was succeeded by the Canon 6D Mark II.

Summary

So what conclusions can be drawn? Which of the two cameras – the Canon 800D or the Canon 6D – has the upper hand? Below is a summary of the relative strengths of each of the two contestants.


Arguments in favor of the Canon EOS 800D:

  • More detail: Offers more megapixels (24 vs 20MP) with a 10% higher linear resolution.
  • Better video: Provides higher movie framerates (1080/60p vs 1080/30p).
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (6 vs 4.5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (131x100mm vs 145x111mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 238g or 31 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (64 percent cheaper at launch).
  • More modern: Reflects 4 years and 4 months of technical progress since the 6D launch.

Reasons to prefer the Canon EOS 6D:

  • Easier setting verification: Has a control panel on top to check shooting parameters.
  • Longer lasting: Gets more shots (1090 versus 600) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • More heavily discounted: Has been around for much longer (launched in September 2012).

If the count of relative strengths (bullet points above) is taken as a measure, the 800D is the clear winner of the match-up (10 : 4 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features.

800D 10:04 6D

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the 800D or the 6D 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. You can find the full text of the reviews, respectively, at 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 800D (⇒ rgt) .. 80/100 Gold 4.5/5 .. 4/5 2017 749 latest check
Canon 6D (⇒ lft) HiRec 83/100 Silver 4.5/5 4.5/5 4.5/5 2012 2,099discont. check
Canon 200D (⇒ lft | rgt) HiRec 78/100 Silver 4.5/5 - 4.5/5 2017 549 latest check
Canon 6D Mark II (⇒ lft | rgt) Rec 80/100 4.5/5 4/5 4/5 2017 1,999 latest check
Canon 77D (⇒ lft | rgt) .. 82/100 Silver 4.5/5 .. 4/5 2017 899 latest check
Canon M6 (⇒ lft | rgt) - 80/100 Silver 4/5 4.5/5 4/5 2017 779 latest check
Canon 1300D (⇒ lft | rgt) reviewed 73/100 4/5 3.5/5 4/5 2016 449 latest check
Canon G7 X Mark II (⇒ lft | rgt) HiRec 81/100 Silver 4.5/5 4/5 4.5/5 2016 699 latest check
Canon 750D (⇒ lft | rgt) - 75/100 4.5/5 4.5/5 4.5/5 2015 749discont. check
Canon 760D (⇒ lft | rgt) Rec 77/100 Silver 4.5/5 4.5/5 4.5/5 2015 849discont. check
Canon 7D II (⇒ lft | rgt) Rec 84/100 Silver 4/5 5/5 4.5/5 2014 1,799 latest check
Canon 700D (⇒ lft | rgt) - 76/100 Silver 4.5/5 4.5/5 4.5/5 2013 649discont. check
Canon 70D (⇒ lft | rgt) HiRec 83/100 Gold 4.5/5 4.5/5 5/5 2013 1,199discont. check
Canon 5D Mark III (⇒ lft | rgt) HiRec 82/100 Gold 4.5/5 5/5 4.5/5 2012 3,499discont. check
Canon 650D (⇒ lft | rgt) HiRec 77/100 Silver 4.5/5 4.5/5 4.5/5 2012 849discont. check
Canon 1D X (⇒ lft | rgt) - - 4.5/5 4.5/5 4.5/5 2011 6,799discont. check
Nikon D5600 (⇒ lft | rgt) - 79/100 Silver 4.5/5 4.5/5 4/5 2016 699 latest check

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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 would like to check on the differences and similarities of other camera models, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you do not see the camera that you are looking for, please contact me, and I will try to add information on that model to the database.

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