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Canon 20D versus Canon XT

The Canon EOS 20D and the Canon EOS Rebel XT (labelled Canon 350D in some countries) are two digital cameras that were announced, respectively, in August 2004 and February 2005. 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 XT provides 8 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 XT

The side-by-side display below illustrates the physical size and weight of the Canon 20D and the Canon XT. 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 side – the 20D – represents the basis for the calculations across all the size and weight measures).

Compare Canon 20D vs Canon XT
20D versus XT top view
20D and XT rear side
Body view (20D 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 XT is notably smaller (22 percent) than the Canon 20D. Moreover, the XT is markedly lighter (30 percent) than the 20D. In this context, it is worth noting that neither the 20D nor the XT 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 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 XT can take 400 images on a single charge of its NB-2LH 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 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 20D (⇒ rgt) 144 mm 106 mm 72 mm 770 g 700 no 2004 1,499discont. check
Canon XT (⇒ lft) 127 mm 94 mm 64 mm 540 g 400 no 2005 899discont. check
Canon T6i (⇒ lft | rgt) 132 mm 101 mm 78 mm 555 g 440 no 2015 749discont. check
Canon T6s (⇒ 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 60D (⇒ lft | rgt) 145 mm 106 mm 79 mm 755 g 1100 YES 2010 1,399discont. check
Canon 7D (⇒ lft | rgt) 148 mm 111 mm 74 mm 860 g 800 YES 2009 1,699discont. check
Canon 50D (⇒ lft | rgt) 146 mm 108 mm 74 mm 822 g 800 YES 2008 1,299discont. check
Canon 40D (⇒ lft | rgt) 146 mm 108 mm 74 mm 822 g 750 no 2007 1,299discont. check
Canon 30D (⇒ lft | rgt) 144 mm 106 mm 74 mm 785 g 750 no 2006 1,399discont. check
Canon XTi (⇒ lft | rgt) 127 mm 84 mm 65 mm 556 g 370 no 2006 799discont. check
Canon 10D (⇒ lft | rgt) 150 mm 107 mm 75 mm 850 g 500 no 2003 1,999discont. check
Canon Rebel (⇒ lft | rgt) 142 mm 99 mm 72 mm 649 g 400 no 2003 899discont. check
Nikon D200 (⇒ lft | rgt) 147 mm 113 mm 74 mm 920 g 400 YES 2005 1,699discont. check

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 XT was launched at a markedly lower price (by 40 percent) than the 20D, 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 20D vs Canon XT

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. 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.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the XT is 3 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 20D and Canon XT sensor measures
Sensor size

With 8.2MP, the 20D offers a slightly higher resolution than the XT (8MP), but the 20D nevertheless has marginally larger individual pixels (pixel pitch of 6.42μm versus 6.41μm for the XT) due to its larger sensor. However, the XT is a somewhat more recent model (by 5 months) than the 20D, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

20D versus XT MP
Sensor resolution

For most cameras, data on sensor performance has been reported by DXO Mark. 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 Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar image quality. 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 20D (⇒ rgt) APS-C 8.2 3504 2336 no 21.9 11.0 721 62
Canon XT (⇒ lft) APS-C 8.0 3456 2304 no 21.8 10.8 637 60
Canon T6i (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 22.7 12.0 919 71
Canon T6s (⇒ 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 60D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 22.2 11.5 813 66
Canon 7D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 22.0 11.7 854 66
Canon 50D (⇒ lft | rgt) APS-C 15.1 4752 3168 no 21.8 11.4 696 63
Canon 40D (⇒ lft | rgt) APS-C 10.1 3888 2592 no 22.1 11.3 703 64
Canon 30D (⇒ lft | rgt) APS-C 8.2 3504 2336 no 21.5 10.8 736 59
Canon XTi (⇒ lft | rgt) APS-C 10.1 3888 2592 no 22.1 11.0 664 62
Canon 10D (⇒ lft | rgt) APS-C 6.3 3072 2048 no 21.1 10.9 571 57
Canon Rebel (⇒ lft | rgt) APS-C 6.3 3072 2048 no 21.0 10.8 544 55
Nikon D200 (⇒ lft | rgt) APS-C 10.0 3872 2592 no 22.3 11.5 583 64
Neither the 20D nor the XT offer Live View, so that they cannot project the live image that the sensor receives onto the rear screen. Moreover, both cameras are still-image focused and cannot record videos.

Feature comparison: Canon 20D vs Canon XT

Apart from body and sensor, cameras can and do differ across a range of features. The 20D and the XT 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 20D and Canon XT along with similar information for a selection of comparators. The full specs-sheets can be found in the camera manual or, 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 20D (⇒ rgt) optical YES 1.8 118 fixed no 8000 5.0 13 no
Canon XT (⇒ lft) optical no 1.8 115 fixed no 4000 3.0 13 no
Canon T6i (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 12 no
Canon T6s (⇒ 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 60D (⇒ lft | rgt) optical YES 3.0 1040 swivel no 8000 5.3 13 no
Canon 7D (⇒ lft | rgt) optical YES 3.0 920 fixed no 8000 8.0 12 no
Canon 50D (⇒ lft | rgt) optical YES 3.0 920 fixed no 8000 6.3 13 no
Canon 40D (⇒ lft | rgt) optical YES 3.0 230 fixed no 8000 6.5 12 no
Canon 30D (⇒ lft | rgt) optical YES 2.5 230 fixed no 8000 5.0 13 no
Canon XTi (⇒ lft | rgt) optical no 2.5 230 fixed no 4000 3.0 13 no
Canon 10D (⇒ lft | rgt) optical YES 1.8 118 fixed no 4000 3.0 13 no
Canon Rebel (⇒ lft | rgt) optical no 1.8 118 fixed no 4000 2.5 13 no
Nikon D200 (⇒ lft | rgt) optical YES 2.5 230 fixed no 8000 5.0 12 no

Both the 20D and the XT have been discontinued, but can regularly be found used on eBay. The 20D was replaced by the Canon 30D, while the XT was followed by the Canon Xti.

Review summary: Canon 20D vs Canon XT

So what is the bottom line? Which of the two cameras – the Canon 20D or the Canon XT – has the upper hand? The listing below highlights the relative strengths of the two models.


Arguments in favor of the Canon EOS 20D:

  • Easier setting verification: Has an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (700 versus 400) on a single battery charge.
  • More heavily discounted: Has been on the market for longer (launched in August 2004).

Advantages of the Canon EOS Rebel XT:

  • More compact: Is smaller (127x94mm vs 144x106mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 230g or 30 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (40 percent cheaper at launch).
  • More modern: Was introduced somewhat (5 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the 20D comes out slightly ahead of the XT (5 : 4 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.

20D 05:04 XT

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the 20D and the XT in practical situations. 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
.com
dp
review
.com
ephoto
zine
.com
imaging
resource
.com
photography
blog
.com
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon 20D (⇒ rgt) - HiRec - reviewed - 2004 1,499discont. check
Canon XT (⇒ lft) 80/100 HiRec reviewed reviewed - 2005 899discont. check
Canon T6i (⇒ lft | rgt) - 75/100 4.5/5 4.5/5 4.5/5 2015 749discont. check
Canon T6s (⇒ 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 60D (⇒ lft | rgt) 87/100 Rec 79/100 Silver 4/5 5/5 4.5/5 2010 1,399discont. check
Canon 7D (⇒ lft | rgt) 93/100 HiRec 84/100 4.5/5 5/5 4.5/5 2009 1,699discont. check
Canon 50D (⇒ lft | rgt) 90/100 HiRec HiRec 4.5/5 5/5 4.5/5 2008 1,299discont. check
Canon 40D (⇒ lft | rgt) 90/100 HiRec HiRec 4.5/5 reviewed 4.5/5 2007 1,299discont. check
Canon 30D (⇒ lft | rgt) 87/100 HiRec HiRec reviewed reviewed - 2006 1,399discont. check
Canon XTi (⇒ lft | rgt) 85/100 HiRec HiRec reviewed 4.5/5 4/5 2006 799discont. check
Canon 10D (⇒ lft | rgt) - HiRec - reviewed - 2003 1,999discont. check
Canon Rebel (⇒ lft | rgt) - HiRec - reviewed - 2003 899discont. check
Nikon D200 (⇒ lft | rgt) 91/100 HiRec HiRec reviewed 5/5 - 2005 1,699discont. 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. 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. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.


Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If the camera you are interested in is not available, kindly get in touch, and I will try to update the database with the necessary infos.

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