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Nikon D90 vs Canon 550D

The Nikon D90 and the Canon EOS 550D (labelled Canon T2i in some countries) are two digital cameras that were officially introduced, respectively, in August 2008 and February 2010. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The Nikon has a resolution of 12.2 megapixels, whereas the Canon provides 17.9 MP. Read on to find out how these two cameras compare with respect to their body size, their sensors, their features, their input-output connections, and their reception by expert reviewers.

Headline Specifications
Nikon D90   Canon 550D
Nikon D90 Canon 550D
Digital single lens reflex Digital single lens reflex
Nikon F mount lenses Canon EF mount lenses
12.2 MP, APS-C Sensor 17.9 MP, APS-C Sensor
720/24p Video 1080/30p Video
ISO 200-3200 (200-6400) ISO 100-6400 (100-12800)
Optical viewfinder Optical viewfinder
3.0" LCD, 920k dots 3.0" LCD, 1040k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
4.5 shutter flaps per second 3.7 shutter flaps per second
850 shots per battery charge440 shots per battery charge
132 x 103 x 77 mm, 703 g 129 x 98 x 62 mm, 530 g

Body comparison: Nikon D90 vs Canon 550D

An illustration of the physical size and weight of the Nikon D90 and the Canon 550D is provided in the side-by-side display below. The two cameras are presented according to their relative size. 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.

Compare Nikon D90 and Canon 550D
Compare D90 versus 550D top
Compare D90 or 550D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 550D is notably smaller (7 percent) than the Nikon D90. Moreover, the 550D is markedly lighter (25 percent) than the D90. In this context, it is worth noting that neither the D90 nor the 550D 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. Yet, since both cameras are based around an APS-C sensor, their respective lenses will tend to have similar dimensions and heft. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D90) and the Canon EF Lens Catalog (550D).

Concerning battery life, the D90 gets 850 shots out of its EN-EL3e battery, while the 550D can take 440 images on a single charge of its LP-E8 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
 
Nikon D90» 5.2 in 4.1 in 3.0 in 24.8 oz 850 n Aug 2008 1,299- i Nikon D90
 
Canon 550D« 5.1 in 3.9 in 2.4 in 18.7 oz 440 n Feb 2010 699- i Canon 550D
 
Canon 750D« » 5.2 in 4.0 in 3.1 in 19.6 oz 440 n Feb 2015 749- i Canon 750D
 
Canon 700D« » 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649- i Canon 700D
 
Canon 650D« » 5.2 in 3.9 in 3.1 in 20.3 oz 440 n Jun 2012 849- i Canon 650D
 
Canon 600D« » 5.2 in 3.9 in 3.1 in 20.1 oz 440 n Feb 2011 599- i Canon 600D
 
Canon 500D« » 5.1 in 3.9 in 2.4 in 18.3 oz 400 n Mar 2009 799- i Canon 500D
 
Canon 40D« » 5.7 in 4.3 in 2.9 in 29.0 oz 750 n Aug 2007 1,299- i Canon 40D
 
Nikon D7000« » 5.2 in 4.1 in 3.0 in 27.5 oz 1050 Y Sep 2010 1,499- i Nikon D7000
 
Nikon D3100« » 4.9 in 3.8 in 3.0 in 17.8 oz 550 n Aug 2010 599- i Nikon D3100
 
Nikon D300S« » 5.8 in 4.5 in 3.2 in 33.1 oz 950 Y Jul 2009 1,799- i Nikon D300S
 
Nikon D3000« » 5.0 in 3.8 in 2.5 in 18.9 oz 500 n Jul 2009 599- i Nikon D3000
 
Nikon D5000« » 5.0 in 4.1 in 3.1 in 20.8 oz 510 n Apr 2009 749- i Nikon D5000
 
Nikon D60« » 5.0 in 3.7 in 2.5 in 18.4 oz 500 n Jan 2008 629- i Nikon D60
 
Nikon D40X« » 4.9 in 3.7 in 2.5 in 18.4 oz 520 n Mar 2007 729- i Nikon D40X
 
Nikon D300« » 5.8 in 4.5 in 2.9 in 32.6 oz 1000 Y Aug 2007 1,799- i Nikon D300
 
Nikon D80« » 5.2 in 4.1 in 3.0 in 23.6 oz 600 n Aug 2006 999- i Nikon D80

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 550D was launched at a markedly lower price (by 46 percent) than the D90, which puts it into a different 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.

 

Sensor comparison: Nikon D90 vs Canon 550D

The size of the imaging sensor is a crucial determinant 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. 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 more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the 550D is 11 percent smaller. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.5 (D90) and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

In terms of underlying technology, both cameras are build around CMOS sensors.

Nikon D90 and Canon 550D sensor measures

Despite having a smaller sensor, the 550D offers a higher resolution of 17.9 megapixels, compared with 12.2 MP of the D90. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.31μm versus 5.53μm for the D90). However, it should be noted that the 550D is a somewhat more recent model (by 1 year and 5 months) than the D90, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage.

The Nikon D90 has a native sensitivity range from ISO 200 to ISO 3200, which can be extended to ISO 200-6400. The corresponding ISO settings for the Canon EOS 550D are ISO 100 to ISO 6400, with the possibility to increase the ISO range to 100-12800..

D90 versus 550D MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). Of the two cameras under review, the D90 has a notably higher overall DXO score than the 550D (overall score 7 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.6 bits higher color depth, 1 EV in additional dynamic range, and 0.3 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
 
Nikon D90» APS-C 12.2 4288 2848720/24p22.712.597773Nikon D90
 
Canon 550D« APS-C 17.9 5184 34561080/30p22.111.578466Canon 550D
 
Canon 750D« » APS-C 24.0 6000 40001080/60p22.712.091971Canon 750D
 
Canon 700D« » APS-C 17.9 5184 34561080/30p21.711.268161Canon 700D
 
Canon 650D« » APS-C 17.9 5184 34561080/30p21.711.272262Canon 650D
 
Canon 600D« » APS-C 17.9 5184 34561080/30p22.111.579365Canon 600D
 
Canon 500D« » APS-C 15.1 4752 31681080/20p21.711.566363Canon 500D
 
Canon 40D« » APS-C 10.1 3888 2592-22.111.370364Canon 40D
 
Nikon D7000« » APS-C 16.1 4928 326410800/24p23.513.9116780Nikon D7000
 
Nikon D3100« » APS-C 14.2 4608 30721080/24p22.511.391967Nikon D3100
 
Nikon D300S« » APS-C 12.2 4288 2848720/24p22.512.278770Nikon D300S
 
Nikon D3000« » APS-C 10.0 3872 2592-22.311.156362Nikon D3000
 
Nikon D5000« » APS-C 12.2 4288 2848720/24p22.712.586872Nikon D5000
 
Nikon D60« » APS-C 10.0 3872 2592-22.511.456265Nikon D60
 
Nikon D40X« » APS-C 10.0 3872 2592-22.411.451663Nikon D40X
 
Nikon D300« » APS-C 12.2 4288 2848-22.112.067967Nikon D300
 
Nikon D80« » APS-C 10.0 3872 2592-22.111.252461Nikon D80

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the 550D provides a better video resolution than the D90. It can shoot movie footage at 1080/30p, while the Nikon is limited to 720/24p.

 

Feature comparison: Nikon D90 vs Canon 550D

Beyond body and sensor, cameras can and do differ across a range of features. The D90 and the 550D 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 viewfinder in the D90 offers a wider field of view (96%) than the one in the 550D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the D90 has a higher magnification (0.63x vs 0.54x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Nikon D90, the Canon 550D, and comparable cameras.

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
Camera
Model
 
Nikon D90»optical Y 3.0 920 fixed n 1/4000s 4.5 Y n Nikon D90
 
Canon 550D«optical n 3.0 1040 fixed n 1/4000s 3.7 Y n Canon 550D
 
Canon 750D« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon 750D
 
Canon 700D« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon 700D
 
Canon 650D« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon 650D
 
Canon 600D« »optical n 3.0 1040 swivel n 1/4000s 3.7 Y n Canon 600D
 
Canon 500D« »optical n 3.0 920 fixed n 1/4000s 3.4 Y n Canon 500D
 
Canon 40D« »optical Y 3.0 230 fixed n 1/8000s 6.5 Y n Canon 40D
 
Nikon D7000« »optical Y 3.0 921 fixed n 1/8000s 6.0 Y n Nikon D7000
 
Nikon D3100« »optical n 3.0 230 fixed n 1/4000s 3.0 Y n Nikon D3100
 
Nikon D300S« »optical Y 3.0 920 fixed n 1/8000s 7.0 Y n Nikon D300S
 
Nikon D3000« »optical n 3.0 230 fixed n 1/4000s 3.0 Y n Nikon D3000
 
Nikon D5000« »optical n 2.7 230 full-flex n 1/4000s 4.0 Y n Nikon D5000
 
Nikon D60« »optical n 2.5 230 fixed n 1/4000s 3.0 Y n Nikon D60
 
Nikon D40X« »optical n 2.5 230 fixed n 1/4000s 3.0 Y n Nikon D40X
 
Nikon D300« »optical Y 3.0 922 fixed n 1/8000s 6.0 Y n Nikon D300
 
Nikon D80« »optical n 2.5 230 fixed n 1/4000s 3.0 Y n Nikon D80

One feature that is present on the D90, but is missing on the 550D is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The D90 writes its imaging data to SDHC cards, while the 550D uses SDXC cards.

 

Connectivity comparison: Nikon D90 vs Canon 550D

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 Nikon D90 and Canon EOS 550D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Nikon D90»Ymonomono--mini2.0---Nikon D90
 
Canon 550D«Ystereo-Y-mini2.0---Canon 550D
 
Canon 750D« »YstereomonoY-mini2.0YY-Canon 750D
 
Canon 700D« »YstereomonoY-mini2.0---Canon 700D
 
Canon 650D« »YstereomonoY-mini2.0---Canon 650D
 
Canon 600D« »YmonomonoY-mini2.0---Canon 600D
 
Canon 500D« »Ymonomono--mini2.0---Canon 500D
 
Canon 40D« »Y-----2.0---Canon 40D
 
Nikon D7000« »YmonomonoY-mini2.0---Nikon D7000
 
Nikon D3100« »Ymonomono--mini2.0---Nikon D3100
 
Nikon D300S« »YstereomonoY-mini2.0---Nikon D300S
 
Nikon D3000« »Y-----2.0---Nikon D3000
 
Nikon D5000« »Ymonomono--mini2.0---Nikon D5000
 
Nikon D60« »Y-----2.0---Nikon D60
 
Nikon D40X« »Y-----2.0---Nikon D40X
 
Nikon D300« »Y----mini2.0---Nikon D300
 
Nikon D80« »Y-----2.0---Nikon D80

It is notable that the 550D has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The D90 does not feature such a mic input.

Both the D90 and the 550D have been discontinued, but can regularly be found used on eBay. The D90 was replaced by the Nikon D7000, while the 550D was followed by the Canon 600D. Further information on the two cameras, as well as related accessories, can be found on the official Nikon and Canon websites.


Review summary: Nikon D90 vs Canon 550D

So what is the bottom line? Is there a clear favorite between the Nikon D90 and the Canon 550D? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Nikon D90:

  • Better image quality: Scores markedly higher (7 points) in the DXO overall assessment.
  • More dynamic range: Captures a larger spectrum of light and dark details (1 EV of extra DR).
  • More complete view: Has a viewfinder with a larger field of view (96% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.63x vs 0.54x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster burst: Shoots at higher frequency (4.5 vs 3.7 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (850 versus 440) on a single battery charge.
  • More heavily discounted: Has been on the market for longer (launched in August 2008).

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Arguments in favor of the Canon EOS 550D:

  • More detail: Has more megapixels (17.9 vs 12.2MP), which boosts linear resolution by 21%.
  • Better video: Provides higher definition movie capture (1080/30p vs 720/24p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 920k dots).
  • Less heavy: Has a lower weight (by 173g or 25 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (46 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year and 5 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the D90 comes out slightly ahead of the 550D (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.

D90 08:07 550D

Do the specifications of the Nikon D90 and the Canon 550D place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the D90 and the 550D 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: Nikon D90 vs Canon 550D

This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog).

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Nikon D90»++++4/55/54.5/5 Aug 2008 1,299- i Nikon D90
 
Canon 550D«++77/1004/55/54.5/5 Feb 2010 699- i Canon 550D
 
Canon 750D« »-75/1004.5/54.5/54.5/5 Feb 2015 749- i Canon 750D
 
Canon 700D« »-76/1004.5/54.5/54.5/5 Mar 2013 649- i Canon 700D
 
Canon 650D« »++77/1004.5/54.5/54.5/5 Jun 2012 849- i Canon 650D
 
Canon 600D« »o77/1004.5/55/54.5/5 Feb 2011 599- i Canon 600D
 
Canon 500D« »++74/1004.5/55/54.5/5 Mar 2009 799- i Canon 500D
 
Canon 40D« »++++4.5/5o4.5/5 Aug 2007 1,299- i Canon 40D
 
Nikon D7000« »-80/1004.5/55/54.5/5 Sep 2010 1,499- i Nikon D7000
 
Nikon D3100« »++72/1004.5/55/54.5/5 Aug 2010 599- i Nikon D3100
 
Nikon D300S« »++82/1004/55/54.5/5 Jul 2009 1,799- i Nikon D300S
 
Nikon D3000« »+72/1004/53.5/54.5/5 Jul 2009 599- i Nikon D3000
 
Nikon D5000« »++75/1004/55/54.5/5 Apr 2009 749- i Nikon D5000
 
Nikon D60« »80/100++4/5o4.5/5 Jan 2008 629- i Nikon D60
 
Nikon D40X« »79/100++4/5o4/5 Mar 2007 729- i Nikon D40X
 
Nikon D300« »++++5/5o4.5/5 Aug 2007 1,799- i Nikon D300
 
Nikon D80« »+++o4.5/54.5/5 Aug 2006 999- i Nikon D80
Notes: ++) highly recommended; +) recommended; o) reviewed; -) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring 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.

Nikon D90:
Check Ebay offers
Canon 550D:
Check Ebay offers

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.

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    Specifications: Nikon D90 vs Canon 550D

    Camera Specifications
    Camera Model Nikon D90 Canon 550D
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Nikon F mount lenses Canon EF mount lenses
    Launch Date August 2008 February 2010
    Launch Price USD 1299 USD 699
    Sensor Specs Nikon D90 Canon 550D
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.6 x 15.8 mm 22.3 x 14.9 mm
    Sensor Area 372.88 mm2 332.27 mm2
    Sensor Diagonal 28.4 mm 26.8 mm
    Crop Factor 1.5x 1.6x
    Sensor Resolution 12.2 Megapixels 17.9 Megapixels
    Image Resolution 4288 x 2848 pixels 5184 x 3456 pixels
    Pixel Pitch 5.53 μm 4.31 μm
    Pixel Density 3.28 MP/cm2 5.39 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 720/24p Video 1080/30p Video
    ISO Setting 200-3200 ISO 100-6400 ISO
    ISO Boost 200-6400 ISO 100-12800 ISO
    Image Processor EXPEED DIGIC 4
    DXO Sensor Quality (score) 73 66
    DXO Color Depth (bits) 22.7 22.1
    DXO Dynamic Range (EV) 12.5 11.5
    DXO Low Light (ISO) 977 784
    Screen Specs Nikon D90 Canon 550D
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 96% 95%
    Viewfinder Magnification 0.63x 0.54x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 920k dots 1040k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Nikon D90 Canon 550D
    Autofocus System Phase-detect AF Phase-detect AF
    Continuous Shooting 4.5 shutter flaps/s 3.7 shutter flaps/s
    Shutter Life Expectancy100 000 actuations100 000 actuations
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDHC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no no
    Connectivity Specs Nikon D90 Canon 550D
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D90 Canon 550D
    Battery Type EN-EL3e power pack LP-E8 power pack
    Battery Life (CIPA)850 shots per charge440 shots per charge
    Body Dimensions 132 x 103 x 77 mm
    (5.2 x 4.1 x 3.0 in)
    129 x 98 x 62 mm
    (5.1 x 3.9 x 2.4 in)
    Camera Weight 703 g (24.8 oz) 530 g (18.7 oz)

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