Camera Rocket Review Our evaluation of D3000 vs 550D

Image Quality

RAW image quality independent of lens

D3000
8.9
EOS 550D
9.5
DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

D3000
6.6
EOS 550D
6.6
Focus lag, cross type focus points and focus points

Responsiveness

How much delay is there between you and your photo?

D3000
8.1
EOS 550D
8.4
Focus lag, continuous shooting and Startup delay

Reviews

What do the experts think?

D3000
9.2
EOS 550D
9.2
Reviews from techradar.com, reviews.cnet.com, trustedreviews.com, sonyalpharumors.com and 4 more

No winner declared

Too close to call

Benchmarks Real world tests of D3000 vs EOS 550D

Low light image quality Highest ISO setting that still achieves great image quality

D3000
563 ISO
EOS 550D
784 ISO

Focus lag Delay between fully pressing shutter to image capture

D3000
262 ms
EOS 550D
252 ms

Shutter lag Delay to take a photo when prefocused

D3000
84 ms
EOS 550D
96 ms

Startup delay Delay from power on to first photo

D3000
700 ms
EOS 550D
400 ms

Continuous shooting Delay between fully pressing shutter to image capture

D3000
3 fps
EOS 550D
3.7 fps

Battery life How many photos per battery charge (CIPA)

D3000
550 photos
EOS 550D
440 photos

Features Key features of the D3000  vs EOS 550D 

Megapixels Maximum resolution images are captured at

D3000
10 MP
EOS 550D
17.9 MP

Max ISO Maximum light sensitivity of the sensor

D3000
3,200 ISO
EOS 550D
12,800 ISO

Focus points How many different points the camera can focus on

Screen size Larger screens make it easier to preview and review photos

D3000
3"

Viewfinder size Large viewfinders are brighter and more comfortable to use

D3000
0.52x
EOS 550D
0.54x

Pixel size How much area of the sensor is dedicated to each pixel

D3000
37.2 microns
EOS 550D
18.5 microns

Reviews Word on the street

D3000  vs EOS 550D 

7.2
7.7
It's an obvious point - higher resolution sensors make higher demands on lenses - but it is one which is easily overlooked in the race to put higher and higher pixel counts into low-end and enthusiast DSLRs.
EOS 550D

9.0
9.0
Shame there's no movie facility (HD or otherwise), HDMI output, tilting LCD or Live View mode, all features becoming increasingly ubiquitous and thus now expected on a new DSLR, particularly as the first two are now featuring on £249-£300 point and shoot compacts – on which the rear screen can be used for shot composition anyway.
D3000

9.0
8.0
The 18-55mm f3.5-5.6 AF-S VR kit lens is much better than most plastic-mount standard zoom lenses, with excellent edge-to-edge sharpness, good contrast and very little wide-angle distortion.
D3000

9.0
9.0
Shoot in RAW (NEF) mode and you get the full benefit of uncompressed shots; the level of clarity and detail that can be retrieved is very impressive for an entry-level camera.
D3000

7.3
7.8
The camera also delivers the best video capture quality I've seen in a sub-$1,000 dSLR-subject to the inescapable limitations the technology, like unusable autofocus-with good exposure, sharpness, minimal artifacts, and excellent audio.
EOS 550D

Overall

8.4 Out of 10
8.4 Out of 10

Specifications Full list of technical specs

sensor

D3000  vs
EOS 550D 
Type CCD CMOS
Megapixels 10 MP 17.9 MP
Resolution 3872 x 2592 5184 x 3456
Size APS-C APS-C
Area 23.6 x 15.8 mm 22.3 x 14.9 mm
Crop factor 1.5x 1.6x
Pixel size 37.2 microns 18.5 microns
Light sensitivity 100 ISO to 1,600 ISO 100 ISO to 6,400 ISO
Light sensitivity (Boost) 1,600 ISO to 3,200 ISO 6,400 ISO to 12,800 ISO
Codecs
RAW
JPEG
Self cleaning sensor Yes Yes

focus system

Type Phase detection Phase detection
Focus points 11 9
Cross type focus points 1 1
Supports continuous No No

viewfinder

Viewfinder mirror Opaque Opaque
Viewfinder Yes Yes
Type Pentamirror Pentamirror
Coverage 95% 95%
Magnification 0.8x 0.87x
Viewfinder size 0.52x 0.54x

performance

Max continuous shooting 3 fps 3.7 fps
Battery life 550 440
Continuous shooting
3.7 fps, JPEG
3 fps, JPEG
Focus lag 262 ms 252 ms
Shutter lag 84 ms 96 ms
Startup delay 700 ms 400 ms

video

D3000  vs
EOS 550D 
Video None 1920 x 1080 @ 30 fps
Shoots video in 24p N/A Yes
Shoots high speed video N/A No
External mic jack N/A 3.5mm
Autofocus while shooting video N/A Manual
Autofocus type N/A N/A
Autofocus supports continuous N/A N/A

display

Type LCD LCD
Size 3" 3"
Resolution 230 k dots 1,040 k dots
Has a touch screen No No
Has a flip out screen No No
Supports live view No Yes

shutter

Min 30 s 30 s
Max 1/4000 s 1/4000 s

form factor

Size 126 x 97 x 64 mm 129 x 98 x 62 mm
Thickness 64 mm 62 mm
Weight 485 g 530 g
Is weather sealed No No

features

Is a smart camera No No
Includes a GPS No No
Supports HDR No No
Automatic panorama No No
Create realistic 3D images No No
Image stabilization
Nikon D3000
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Canon EOS 550D
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