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Canon 20D versus Canon 80D

The Canon EOS 20D and the Canon EOS 80D are two enthusiast cameras that were officially introduced, respectively, in August 2004 and February 2016. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The 20D has a resolution of 8.2 megapixel, whereas the 80D provides 24 MP. 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 20D vs Canon 80D

The side-by-side display below illustrates the physical size and weight of the Canon 20D and the Canon 80D. The two cameras are presented according to their relative size. 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 – the 20D – represents the basis or 100 percent across all the size and weight measures).

Compare Canon 20D vs Canon 80D
Compare 20D versus 80D top
Compare 20D and 80D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 80D is somewhat smaller (4 percent) than the Canon 20D. Moreover, the 80D is markedly lighter (5 percent) than the 20D. It is noteworthy in this context that the 80D is splash and dust-proof, while the 20D 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.

Concerning battery life, the 20D gets 700 shots out of its BP-511A battery, while the 80D can take 960 images on a single charge of its LP-E6N power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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 20D» 144 mm 106 mm 72 mm 770 g 700 n Aug 2004 1,499- i Canon 20D
Canon 80D« 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199 i i Canon 80D
Canon 6D Mark II« » 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 i i Canon 6D Mark II
Canon 7D II« » 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799 i i Canon 7D II
Canon 70D« » 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199- i Canon 70D
Canon 60D« » 145 mm 106 mm 79 mm 755 g 1100 Y Aug 2010 1,399- i Canon 60D
Canon 7D« » 148 mm 111 mm 74 mm 860 g 800 Y Sep 2009 1,699- i Canon 7D
Canon 50D« » 146 mm 108 mm 74 mm 822 g 800 Y Aug 2008 1,299- i Canon 50D
Canon 40D« » 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299- i Canon 40D
Canon 30D« » 144 mm 106 mm 74 mm 785 g 750 n Feb 2006 1,399- i Canon 30D
Canon 350D« » 127 mm 94 mm 64 mm 540 g 400 n Feb 2005 899- i Canon 350D
Canon 10D« » 150 mm 107 mm 75 mm 850 g 500 n Feb 2003 1,999- i Canon 10D
Canon 300D« » 142 mm 99 mm 72 mm 649 g 400 n Aug 2003 899- i Canon 300D
Nikon D7500« » 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 i i Nikon D7500
Nikon D200« » 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 1,699- i Nikon D200
Sony RX10 II« » 129 mm 88 mm 102 mm 813 g 400 Y Jun 2015 1,299- i Sony RX10 II

The camera’s price is obviously a critical decision-making factor. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The 80D was launched at a somewhat lower price (by 20 percent) than the 20D, which makes it more attractive for photographers on a tight budget. 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.

 

Sensor comparison: Canon 20D vs Canon 80D

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 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to 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, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Canon 20D and Canon 80D sensor measures

While the two cameras under review share the same sensor size, the 80D offers a higher resolution of 24 megapixel, compared with 8.2 MP of the 20D. This megapixel advantage translates into a 71 percent gain in linear resolution. On the other hand, these sensor specs imply that the 80D has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.75μm versus 6.42μm for the 20D). However, it should be noted that the 80D is much more recent (by 11 years and 6 months) than the 20D, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size.

20D versus 80D MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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. Of the two cameras under consideration, the 80D offers substantially better image quality than the 20D (overall score 17 points higher). The advantage is based on 1.7 bits higher color depth, 2.2 EV in additional dynamic range, and 0.7 stops in additional low light sensitivity. 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
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Canon 20D» APS-C 8.2 3504 2336-21.911.072162Canon 20D
Canon 80D« APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
Canon 6D Mark II« » Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
Canon 7D II« » APS-C 20.0 5472 36481080/60p22.411.8108270Canon 7D II
Canon 70D« » APS-C 20.0 5472 36481080/30p22.511.692668Canon 70D
Canon 60D« » APS-C 17.9 5184 34561080/30p22.211.581366Canon 60D
Canon 7D« » APS-C 17.9 5184 34561080/30p22.011.785466Canon 7D
Canon 50D« » APS-C 15.1 4752 3168-21.811.469663Canon 50D
Canon 40D« » APS-C 10.1 3888 2592-22.111.370364Canon 40D
Canon 30D« » APS-C 8.2 3504 2336-21.510.873659Canon 30D
Canon 350D« » APS-C 8.0 3456 2304-21.810.863760Canon 350D
Canon 10D« » APS-C 6.3 3072 2048-21.110.957157Canon 10D
Canon 300D« » APS-C 6.3 3072 2048-21.010.854455Canon 300D
Nikon D7500« » APS-C 20.7 5568 37124K/30p24.314.0148386Nikon D7500
Nikon D200« » APS-C 10.0 3872 2592-22.311.558364Nikon D200
Sony RX10 II« » 1-inch 20.0 5472 36484K/30p23.012.653170Sony RX10 II

Many modern cameras cannot only take still pictures, but also record videos. The 80D indeed provides for movie recording, while the 20D does not. The highest resolution format that the 80D can use is 1080/60p.

 

Feature comparison: Canon 20D vs Canon 80D

Apart from body and sensor, cameras can and do differ across a range of features. The 20D and the 80D 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 table below summarizes some of the other core capabilities of the Canon 20D and Canon 80D 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 20D»optical Y 1.8 118 fixed n 8000 5.0 Y n Canon 20D
Canon 80D«optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 80D
Canon 6D Mark II« »optical Y 3.0 1040 swivel Y 4000 6.5 n n Canon 6D Mark II
Canon 7D II« »optical Y 3.0 1040 fixed n 8000 10.0 Y n Canon 7D II
Canon 70D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 70D
Canon 60D« »optical Y 3.0 1040 swivel n 8000 5.3 Y n Canon 60D
Canon 7D« »optical Y 3.0 920 fixed n 8000 8.0 Y n Canon 7D
Canon 50D« »optical Y 3.0 920 fixed n 8000 6.3 Y n Canon 50D
Canon 40D« »optical Y 3.0 230 fixed n 8000 6.5 Y n Canon 40D
Canon 30D« »optical Y 2.5 230 fixed n 8000 5.0 Y n Canon 30D
Canon 350D« »optical n 1.8 115 fixed n 4000 3.0 Y n Canon 350D
Canon 10D« »optical Y 1.8 118 fixed n 4000 3.0 Y n Canon 10D
Canon 300D« »optical n 1.8 118 fixed n 4000 2.5 Y n Canon 300D
Nikon D7500« »optical Y 3.2 922 tilting Y 8000 8.0 Y n Nikon D7500
Nikon D200« »optical Y 2.5 230 fixed n 8000 5.0 Y n Nikon D200
Sony RX10 II« »2359 Y 3.0 1229 tilting n 3200 14.0 Y Y Sony RX10 II

The 80D is a current model that online retailers, such as amazon, will have in stock. In contrast, the 20D has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the 20D was succeeded by the Canon 30D.

Review summary: Canon 20D vs Canon 80D

So what conclusions can be drawn? Is the Canon 20D better than the Canon 80D or vice versa? The listing below highlights the relative strengths of the two models.


Advantages of the Canon EOS 20D:

  • More heavily discounted: Has been available for much longer (launched in August 2004).


Reasons to prefer the Canon EOS 80D:

  • More detail: Has more megapixels (24 vs 8.2MP), which boosts linear resolution by 71%.
  • Better image quality: Scores substantially higher (17 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.2 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.7 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/60p video.
  • Larger screen: Has a bigger rear LCD (3.0" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 118k dots).
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (7 vs 5 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (960 versus 700) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • More affordable: Was released into a lower priced segment (20 percent cheaper at launch).
  • More modern: Reflects 11 years and 6 months of technical progress since the 20D launch.

If the number of relative strengths (bullet points above) is taken as a guide, the 80D is the clear winner of the contest (15 : 1 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 before making a decision on a new camera.

20D 01:15 80D

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 20D or the 80D handle or 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. This is why hands-on reviews by experts are important. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available 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 20D»-HiRec-rev- Aug 2004 1,499- i Canon 20D
Canon 80D«HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
Canon 6D Mark II« »Rec80/1004.5/54/54/5 Jun 2017 1,999 i i Canon 6D Mark II
Canon 7D II« »Rec84/1004/55/54.5/5 Sep 2014 1,799 i i Canon 7D II
Canon 70D« »HiRec83/1004.5/54.5/55/5 Jul 2013 1,199- i Canon 70D
Canon 60D« »Rec79/1004/55/54.5/5 Aug 2010 1,399- i Canon 60D
Canon 7D« »HiRec84/1004.5/55/54.5/5 Sep 2009 1,699- i Canon 7D
Canon 50D« »HiRecHiRec4.5/55/54.5/5 Aug 2008 1,299- i Canon 50D
Canon 40D« »HiRecHiRec4.5/5rev4.5/5 Aug 2007 1,299- i Canon 40D
Canon 30D« »HiRecHiRecrevrev- Feb 2006 1,399- i Canon 30D
Canon 350D« »80/100HiRecrevrev- Feb 2005 899- i Canon 350D
Canon 10D« »-HiRec-rev- Feb 2003 1,999- i Canon 10D
Canon 300D« »-HiRec-rev- Aug 2003 899- i Canon 300D
Nikon D7500« »HiRec86/1005/54.5/54.5/5 Apr 2017 1,299 i i Nikon D7500
Nikon D200« »HiRecHiRecrev5/5- Nov 2005 1,699- i Nikon D200
Sony RX10 II« »HiRec82/1004.5/54.5/54/5 Jun 2015 1,299- i Sony RX10 II

The above review scores should be interpreted with care, though. The ratings are only valid when refering to cameras in the same category and of the same age. 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.

 

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 use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If you do not see the camera that you are looking for, kindly get in touch, and I will try to add information on that model to the database.

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