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Canon 400D vs XTi

The Canon 400D and the Canon XTi are identical cameras that only differ by name. Canon sells the camera in different regions of the world using an alternative designation because of marketing and warranty considerations. Hence, there is not much to differentiate the two. You might want to move across to the CAM-parator app in order to select two other camera models for a more meaningful comparison, or just scroll down to the tables on this page to see how the Canon 400D (aka Canon XTi) relates to a set of comparators.

The Canon EOS 400D (called Canon XTi in some regions) and the Canon EOS Rebel XTi (labelled Canon 400D in some countries) are two digital cameras that were officially introduced in August 2006. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. Both cameras offer a resolution of 10.1 megapixels.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon 400D
versus
Canon XTi
Canon 400D Canon XTi
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
10.1 MP, APS-C Sensor 10.1 MP, APS-C Sensor
no Video no Video
ISO 100-1,600 ISO 100-1,600
Optical viewfinder Optical viewfinder
2.5 LCD, 230k dots 2.5 LCD, 230k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
3 shutter flaps per second 3 shutter flaps per second
370 shots per battery charge370 shots per battery charge
127 x 84 x 65 mm, 556 g 127 x 84 x 65 mm, 556 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 400D and the Canon EOS Rebel XTi? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Canon 400D and the Canon XTi. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

Size Canon 400D vs Canon XTi
Compare 400D versus XTi top
Comparison 400D or XTi rear

In this particular case, the Canon 400D and the Canon XTi have exactly the same width and height, and, thus, have identically-sized bodies. Moreover, the two cameras also share the same weight. In this context, it is worth noting that neither the 400D nor the XTi 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 compare the optics available in the Canon EF Lens Catalog.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 400D 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 799 i
2.
 
Canon XTi 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 799 i
3.
 
Canon 750D 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749 i
4.
 
Canon 760D 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649 i
5.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749 i
6.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649 i
7.
 
Canon 650D 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849 i
8.
 
Canon 1100D 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 449 i
9.
 
Canon 550D 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699 i
10.
 
Canon 500D 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799 i
11.
 
Canon 450D 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 799 i
12.
 
Canon XSi 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 799 i
13.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299 i
14.
 
Canon 350D 127 mm 94 mm 64 mm 540 g 400 n Feb 2005 899 i
15.
 
Canon XT 127 mm 94 mm 64 mm 540 g 400 n Feb 2005 899 i
16.
 
Canon Rebel 142 mm 99 mm 72 mm 649 g 400 n Aug 2003 899 i
17.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729 i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The two cameras under review were launched at the same price and fall into the same market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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.

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Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 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.

Canon 400D and Canon XTi sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 10.1 megapixels. This similarity in sensor specs implies that both the 400D and the XTi have the same pixel density, as well as the same pixel size. Moreover, the two cameras were released in close succession, so that their sensors are from the same technological generation.

The Canon EOS 400D has a native sensitivity range from ISO 100 to ISO 1600. The Canon EOS Rebel XTi offers exactly the same ISO settings.

400D versus XTi MP

For many 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 imaging performance. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 400D APS-C 10.1 3888 2592none22.111.0664 62
2.
 
Canon XTi APS-C 10.1 3888 2592none22.111.0664 62
3.
 
Canon 750D APS-C 24.0 6000 40001080/30p22.712.0919 71
4.
 
Canon 760D APS-C 24.0 6000 40001080/30p22.612.0915 70
5.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.0919 71
6.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.0915 70
7.
 
Canon 650D APS-C 17.9 5184 34561080/30p21.711.2722 62
8.
 
Canon 1100D APS-C 12.2 4272 2848720/30p21.911.0755 62
9.
 
Canon 550D APS-C 17.9 5184 34561080/30p22.111.5784 66
10.
 
Canon 500D APS-C 15.1 4752 31681080/20p21.711.5663 63
11.
 
Canon 450D APS-C 12.2 4272 2848none21.910.8692 61
12.
 
Canon XSi APS-C 12.2 4272 2848none21.910.8692 61
13.
 
Canon 40D APS-C 10.1 3888 2592none22.111.3703 64
14.
 
Canon 350D APS-C 8.0 3456 2304none21.810.8637 60
15.
 
Canon XT APS-C 8.0 3456 2304none21.810.8637 60
16.
 
Canon Rebel APS-C 6.3 3072 2048none21.010.8544 55
17.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.4516 63
Neither the 400D nor the XTi 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.
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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The 400D and the XTi 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 viewfinders of both cameras offer the same field of view (95%), as well as the same magnification (0.49x). The following table reports on some other key feature differences and similarities of the Canon 400D, the Canon XTi, and comparable cameras.

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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)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 400Doptical n 2.5 230 fixed n 1/4000s 3.0 Y n
2.
 
Canon XTioptical n 2.5 230 fixed n 1/4000s 3.0 Y n
3.
 
Canon 750Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
4.
 
Canon 760Doptical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n
5.
 
Canon T6ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
6.
 
Canon T6soptical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n
7.
 
Canon 650Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
8.
 
Canon 1100Doptical n 2.7 230 fixed n 1/4000s 3.0 Y n
9.
 
Canon 550Doptical n 3.0 1040 fixed n 1/4000s 3.7 Y n
10.
 
Canon 500Doptical n 3.0 920 fixed n 1/4000s 3.4 Y n
11.
 
Canon 450Doptical n 3.0 230 fixed n 1/4000s 3.5 Y n
12.
 
Canon XSioptical n 3.0 230 fixed n 1/4000s 3.5 Y n
13.
 
Canon 40Doptical Y 3.0 230 fixed n 1/8000s 6.5 Y n
14.
 
Canon 350Doptical n 1.8 115 fixed n 1/4000s 3.0 Y n
15.
 
Canon XToptical n 1.8 115 fixed n 1/4000s 3.0 Y n
16.
 
Canon Rebeloptical n 1.8 118 fixed n 1/4000s 2.5 Y n
17.
 
Nikon D40Xoptical n 2.5 230 fixed n 1/4000s 3.0 Y n

Concerning the storage of imaging data, both the 400D and the XTi write their files to Compact Flash cards.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS 400D and Canon EOS Rebel XTi and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 400DY-----2.0---
2.
 
Canon XTiY-----2.0---
3.
 
Canon 750DYstereomonoY-mini2.0YY-
4.
 
Canon 760DYstereomonoY-mini2.0YY-
5.
 
Canon T6iYstereomonoY-mini2.0YY-
6.
 
Canon T6sYstereomonoY-mini2.0YY-
7.
 
Canon 650DYstereomonoY-mini2.0---
8.
 
Canon 1100DYstereomono--mini2.0---
9.
 
Canon 550DYstereo-Y-mini2.0---
10.
 
Canon 500DYmonomono--mini2.0---
11.
 
Canon 450DY----mini2.0---
12.
 
Canon XSiY----mini2.0---
13.
 
Canon 40DY-----2.0---
14.
 
Canon 350DY-----2.0---
15.
 
Canon XTY-----2.0---
16.
 
Canon RebelY-----1.1---
17.
 
Nikon D40XY-----2.0---

Both the 400D and the XTi have been discontinued, but can regularly be found used on eBay. The 400D was replaced by the Canon 450D, while the XTi was followed by the Canon Xsi. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon 400D and the Canon XTi? Which camera is better? The listing below highlights the relative strengths of the two models.


Arguments in favor of the Canon EOS 400D:

  • Well, not many: Does not have any feature that gives it a substantial advantage over the XTi.


Reasons to prefer the Canon EOS Rebel XTi:

  • Well, not many: Does not offer any functionality that gives it a clear advantage over the 400D.

If the count of relative strengths (bullet points above) is taken as a measure, the match-up finishes in a tie (0 points each).

400D 00:00 XTi

How about other alternatives? Do the specifications of the Canon 400D and the Canon XTi place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the 400D and the XTi 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.

Expert reviews

This is why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 400D..+ ++ +o4/5 Aug 2006 799 i
2.
 
Canon XTi..+ ++ +o4/5 Aug 2006 799 i
3.
 
Canon 750D5/5..75/1004.5/54.5/5 Feb 2015 749 i
4.
 
Canon 760D5/5+77/1004.5/54.5/5 Feb 2015 649 i
5.
 
Canon T6i5/5..75/1004.5/54.5/5 Feb 2015 749 i
6.
 
Canon T6s5/5+77/1004.5/54.5/5 Feb 2015 649 i
7.
 
Canon 650D4/5+ +77/1004.5/54.5/5 Jun 2012 849 i
8.
 
Canon 1100D..80/10069/1004/54.5/5 Feb 2011 449 i
9.
 
Canon 550D..+ +77/1004/54.5/5 Feb 2010 699 i
10.
 
Canon 500D..+ +74/1004.5/54.5/5 Mar 2009 799 i
11.
 
Canon 450D..+ ++ +4/54.5/5 Jan 2008 799 i
12.
 
Canon XSi..+ ++ +4/54.5/5 Jan 2008 799 i
13.
 
Canon 40D..+ ++ +4.5/54.5/5 Aug 2007 1,299 i
14.
 
Canon 350D..80/100+ +o.. Feb 2005 899 i
15.
 
Canon XT..80/100+ +o.. Feb 2005 899 i
16.
 
Canon Rebel....+ +.... Aug 2003 899 i
17.
 
Nikon D40X..79/100+ +4/54/5 Mar 2007 729 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Canon 400D:
Check Ebay offers
Canon XTi:
Check Ebay offers

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 use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Canon 400D vs Canon XTi

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Canon 400D Canon XTi
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date August 2006 August 2006
    Launch Price USD 799 USD 799
    Sensor Specs Canon 400D Canon XTi
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.2 x 14.8 mm 22.2 x 14.8 mm
    Sensor Area 328.56 mm2 328.56 mm2
    Sensor Diagonal 26.7 mm 26.7 mm
    Crop Factor 1.6x 1.6x
    Sensor Resolution 10.1 Megapixels 10.1 Megapixels
    Image Resolution 3888 x 2592 pixels 3888 x 2592 pixels
    Pixel Pitch 5.71 μm 5.71 μm
    Pixel Density 3.07 MP/cm2 3.07 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video no Video
    ISO Setting 100 - 1,600 ISO 100 - 1,600 ISO
    Image Processor DIGIC II DIGIC II
    DXO Sensor Quality (score) 62 62
    DXO Color Depth (bits) 22.1 22.1
    DXO Dynamic Range (EV) 11.0 11.0
    DXO Low Light (ISO) 664 664
    Screen Specs Canon 400D Canon XTi
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 95%
    Viewfinder Magnification 0.49x 0.49x
    Rear LCD Size 2.5inch 2.5inch
    LCD Resolution 230k dots 230k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 400D Canon XTi
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 3 shutter flaps/s 3 shutter flaps/s
    Shutter Life Expectancy50 000 actuations50 000 actuations
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium CF cards CF cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Canon 400D Canon XTi
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI no HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Canon 400D Canon XTi
    Battery Type NB-2LH NB-2LH
    Battery Life (CIPA)370 shots per charge370 shots per charge
    Body Dimensions 127 x 84 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    127 x 84 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    Camera Weight 556 g (19.6 oz) 556 g (19.6 oz)

    Did you notice an error on this page? If so, please get in touch, so that we can correct the information.

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