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Canon 800D versus Sony A7

The Canon EOS 800D (called Canon T7i in some regions) and the Sony Alpha A7 are two digital cameras that were officially introduced, respectively, in February 2017 and October 2013. The 800D is a DSLR, while the A7 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (800D) and a full frame (A7) sensor. Both cameras offer a resolution of 24 megapixel. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Canon 800D vs Sony A7

An illustration of the physical size and weight of the Canon 800D and the Sony A7 is provided in the side-by-side display below. Three consecutive perspectives from the front, the top, and the back are presented. 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 – the 800D – represents 100 percent across all the size and weight measures).

Snapsort Canon 800D vs Sony A7
Compare 800D versus A7 top
Compare 800D and A7 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 is notably smaller (9 percent) than the Canon 800D. Moreover, the A7 is markedly lighter (11 percent) than the 800D. It is noteworthy in this context that the A7 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 will tend to go along with bigger and heavier lenses, although exceptions exist. You can find an overview of optics for the two cameras in the Canon EF Lens Catalog (800D) and the Sony FE Lens Catalog (A7). Mirrorless cameras, such as the A7, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 800D gets 600 shots out of its LP-E17 battery, while the A7 can take 340 images on a single charge of its NP-FW50 power pack.

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 camera comparisons there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Canon 800D» 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 749 i i Canon 800D
Sony A7« 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699- i Sony A7
Canon 2000D« » 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 i i Canon 2000D
Canon 200D« » 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549 i i Canon 200D
Canon 77D« » 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899 i i Canon 77D
Canon M6« » 112 mm 68 mm 45 mm 390 g 295 n Feb 2017 779 i i Canon M6
Canon 1300D« » 129 mm 101 mm 78 mm 485 g 500 n Mar 2016 449- i Canon 1300D
Canon G7 X Mark II« » 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699 i i Canon G7 X Mark II
Canon 750D« » 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749- i Canon 750D
Canon 760D« » 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 849- i Canon 760D
Canon 700D« » 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649- i Canon 700D
Nikon D5600« » 124 mm 97 mm 70 mm 465 g 970 n Nov 2016 699 i i Nikon D5600
Nikon D610« » 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 i i Nikon D610
Panasonic GH4« » 133 mm 93 mm 84 mm 560 g 500 Y Feb 2014 1,499- i Panasonic GH4
Sony A7 II« » 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999- i Sony A7 II
Sony A7S« » 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 2,499- i Sony A7S
Sony A7R« » 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299- i Sony A7R

The price is, of course, an important factor in any camera decision. The listed launch 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 56 percent) than the A7, 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: Canon 800D vs Sony A7

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color depth than smaller pixel-units 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 800D features an APS-C sensor and the Sony A7 a full frame sensor. The sensor area in the A7 is 158 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 Sony A7 sensor measures

Even though the A7 has a larger sensor, both cameras offer the same resolution of 24 megapixel. This implies that the A7 has a lower pixel density and larger individual pixels (with a pixel pitch of 5.97μm versus 3.72μm for the 800D), which gives it a potential advantage in terms of light gathering capacity. It should, however, be noted that the 800D is much more recent (by 3 years and 4 months) than the A7, and its sensor will have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size.

800D versus A7 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Canon 800D» APS-C 24.0 6000 40001080/60p----Canon 800D
Sony A7« Full Frame 24.0 6000 40001080/60p24.814.2224890Sony A7
Canon 2000D« » APS-C 24.0 6000 40001080/30p22.611.9100971Canon 2000D
Canon 200D« » APS-C 24.0 6000 40001080/60p23.613.4104179Canon 200D
Canon 77D« » APS-C 24.0 6000 40001080/60p23.613.397178Canon 77D
Canon M6« » APS-C 24.0 6000 40001080/60p----Canon M6
Canon 1300D« » APS-C 17.9 5184 34561080/30p----Canon 1300D
Canon G7 X Mark II« » 1-inch 20.0 5472 36481080/60p----Canon G7 X Mark II
Canon 750D« » APS-C 24.0 6000 40001080/60p22.712.091971Canon 750D
Canon 760D« » APS-C 24.0 6000 40001080/30p22.612.091570Canon 760D
Canon 700D« » APS-C 17.9 5184 34561080/30p21.711.268161Canon 700D
Nikon D5600« » APS-C 24.0 6000 40001080/60p24.114.0130684Nikon D5600
Nikon D610« » Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610
Panasonic GH4« » Four Thirds 15.9 4608 34564K/30p23.212.879174Panasonic GH4
Sony A7 II« » Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
Sony A7S« » Full Frame 12.0 4240 28321080/60p23.913.2370287Sony A7S
Sony A7R« » Full Frame 36.2 7360 49121080/60p25.614.1274695Sony A7R

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60p).

 

Feature comparison: Canon 800D vs Sony A7

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7 has an electronic viewfinder (2400k dots), while the 800D has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The table below summarizes some of the other core capabilities of the Canon 800D and Sony A7 in connection with corresponding information for a sample of similar cameras. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Canon 800D»optical n 3.0 1040 swivel Y 4000 6.0 Y n Canon 800D
Sony A7«2400 n 3.0 1230 tilting n 8000 5.0 n n Sony A7
Canon 2000D« »optical n 3.0 920 fixed n 4000 3.0 Y n Canon 2000D
Canon 200D« »optical n 3.0 1040 swivel Y 4000 5.0 Y n Canon 200D
Canon 77D« »optical Y 3.0 1040 swivel Y 4000 6.0 Y n Canon 77D
Canon M6« »- n 3.0 1040 tilting Y 4000 9.0 Y n Canon M6
Canon 1300D« »optical n 3.0 920 fixed n 4000 3.0 Y n Canon 1300D
Canon G7 X Mark II« »- n 3.0 1040 tilting Y 2000 8.0 Y Y Canon G7 X Mark II
Canon 750D« »optical n 3.0 1040 swivel Y 4000 5.0 Y n Canon 750D
Canon 760D« »optical Y 3.0 1040 swivel Y 4000 5.0 Y n Canon 760D
Canon 700D« »optical n 3.0 1040 swivel Y 4000 5.0 Y n Canon 700D
Nikon D5600« »optical n 3.2 1037 swivel Y 4000 5.0 Y n Nikon D5600
Nikon D610« »optical Y 3.2 921 fixed n 4000 6.0 Y n Nikon D610
Panasonic GH4« »2359 n 3.0 1036 swivel Y 8000 12.0 Y n Panasonic GH4
Sony A7 II« »2400 n 3.0 1230 tilting n 8000 5.0 n Y Sony A7 II
Sony A7S« »2400 n 3.0 921 tilting n 8000 5.0 n n Sony A7S
Sony A7R« »2400 n 3.0 1230 tilting n 8000 4.0 n n Sony A7R

The 800D is a current model that online retailers, such as amazon, will have in stock. In contrast, the A7 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the A7 was succeeded by the Sony A7 II.

Review summary: Canon 800D vs Sony A7

So what is the bottom line? Is there a clear favorite between the Canon 800D and the Sony A7? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Canon EOS 800D:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • 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 5 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (600 versus 340) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (56 percent cheaper at launch).
  • More modern: Reflects 3 years and 4 months of technical progress since the A7 launch.

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Reasons to prefer the Sony Alpha A7:

  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More detailed LCD: Has a higher resolution rear screen (1230k vs 1040k dots).
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • Less heavy: Has a lower weight (by 58g or 11 percent) and is thus easier to take along.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • More heavily discounted: Has been around for much longer (launched in October 2013).

If the number of relative strengths (bullet points above) is taken as a guide, the 800D comes out slightly ahead of the A7 (8 : 7 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 when reflecting and deciding on a new camera.

800D 08:07 A7

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the 800D or the A7. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable. This is why hands-on reviews by experts are important. The table below summarizes the assessments of some of the best known camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The detailed reviews can be accessed by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Canon 800D»-80/1004.5/54/54/5 Feb 2017 749 i i Canon 800D
Sony A7«HiRec80/1005/54.5/55/5 Oct 2013 1,699- i Sony A7
Canon 2000D« »rev-3.5/5-3.5/5 Feb 2018 449 i i Canon 2000D
Canon 200D« »HiRec78/1004.5/54.5/54.5/5 Jun 2017 549 i i Canon 200D
Canon 77D« »-82/1004.5/54.5/54/5 Feb 2017 899 i i Canon 77D
Canon M6« »-80/1004/54.5/54/5 Feb 2017 779 i i Canon M6
Canon 1300D« »rev73/1004/53.5/54/5 Mar 2016 449- i Canon 1300D
Canon G7 X Mark II« »HiRec81/1004.5/54/54.5/5 Feb 2016 699 i i Canon G7 X Mark II
Canon 750D« »-75/1004.5/54.5/54.5/5 Feb 2015 749- i Canon 750D
Canon 760D« »Rec77/1004.5/54.5/54.5/5 Feb 2015 849- i Canon 760D
Canon 700D« »-76/1004.5/54.5/54.5/5 Mar 2013 649- i Canon 700D
Nikon D5600« »-79/1004.5/54.5/54/5 Nov 2016 699 i i Nikon D5600
Nikon D610« »HiRec87/1004.5/54.5/54.5/5 Oct 2013 1,999 i i Nikon D610
Panasonic GH4« »HiRec85/1005/55/55/5 Feb 2014 1,499- i Panasonic GH4
Sony A7 II« »Rec82/1004.5/55/55/5 Nov 2014 1,999- i Sony A7 II
Sony A7S« »-86/1004.5/54.5/55/5 Apr 2014 2,499- i Sony A7S
Sony A7R« »HiRec82/1004.5/55/55/5 Oct 2013 2,299- i Sony A7R

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. Thus, a score needs to be put into the context of the launch date and the launch price 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.

 

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you cannot find the camera you are interested in, kindly get in touch, and I will try to update the database with the necessary infos.

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