Camera Rocket Review Our evaluation of D3000 vs 400D

Image Quality

RAW image quality independent of lens

D3000
8.9
EOS 400D
9.2
DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

D3000
7.0
EOS 400D
7.5
Focus lag and focus points

Responsiveness

How much delay is there between you and your photo?

D3000
8.1
EOS 400D
8.2
Focus lag, continuous shooting and Startup delay

Reviews

What do the experts think?

D3000
9.2
EOS 400D
9.4
Reviews from techradar.com, reviews.cnet.com, trustedreviews.com, sonyalpharumors.com and 4 more

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

D3000
8.8
EOS 400D
9.0

Winner
Canon EOS 400D 

Camera Rocket recommends the Canon EOS 400D  based on its image quality, focusing, responsiveness and reviews.

See full details

Benchmarks Real world tests of D3000 vs EOS 400D

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

D3000
563 ISO
EOS 400D
664 ISO

Focus lag Delay between fully pressing shutter to image capture

D3000
262 ms
EOS 400D
200 ms

Shutter lag Delay to take a photo when prefocused

D3000
84 ms
EOS 400D
105 ms

Startup delay Delay from power on to first photo

D3000
700 ms
EOS 400D
2,500 ms

Continuous shooting Delay between fully pressing shutter to image capture

D3000
3 fps
EOS 400D
3 fps

Battery life How many photos per battery charge (CIPA)

D3000
550 photos
EOS 400D
370 photos

Features Key features of the D3000  vs EOS 400D 

Megapixels Maximum resolution images are captured at

D3000
10 MP
EOS 400D
10.1 MP

Max ISO Maximum light sensitivity of the sensor

D3000
3,200 ISO
EOS 400D
1,600 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"
EOS 400D
2.5"

Viewfinder size Large viewfinders are brighter and more comfortable to use

D3000
0.52x
EOS 400D
0.49x

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

D3000
37.2 microns
EOS 400D
32.6 microns

Reviews Word on the street

D3000  vs EOS 400D 

9.0
9.0
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

7.3
7.8
The LCD display grew from 1.8 to 2.5 inches, which essentially squeezed the status/info LCD into the ether.
EOS 400D

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

Overall

8.4 Out of 10
8.8 Out of 10

Specifications Full list of technical specs

sensor

D3000  vs
EOS 400D 
Type CCD CMOS
Megapixels 10 MP 10.1 MP
Resolution 3872 x 2592 3888 x 2592
Size APS-C APS-C
Area 23.6 x 15.8 mm 22.2 x 14.8 mm
Crop factor 1.5x 1.6x
Pixel size 37.2 microns 32.6 microns
Light sensitivity 100 ISO to 1,600 ISO 100 ISO to 1,600 ISO
Codecs
RAW
JPEG
Self cleaning sensor Yes Yes

focus system

Type Phase detection Contrast detection
Focus points 11 9

viewfinder

Viewfinder mirror Opaque Opaque
Viewfinder Yes Yes
Type Pentamirror Pentamirror
Coverage 95% 95%
Magnification 0.8x 0.8x
Viewfinder size 0.52x 0.49x

performance

Max continuous shooting 3 fps 3 fps
Battery life 550 370
Continuous shooting
3 fps, JPEG
Focus lag 262 ms 200 ms
Shutter lag 84 ms 105 ms
Startup delay 700 ms 2,500 ms

video

D3000  vs
EOS 400D 
Video None None
Shoots video in 24p N/A N/A
Shoots high speed video N/A N/A
External mic jack N/A N/A
Autofocus while shooting video N/A N/A
Autofocus type N/A N/A
Autofocus supports continuous N/A N/A

display

Type LCD LCD
Size 3" 2.5"
Resolution 230 k dots 230 k dots
Has a touch screen No No
Has a flip out screen No No
Supports live view No No

shutter

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

form factor

Size 126 x 97 x 64 mm 127 x 94 x 65 mm
Thickness 64 mm 65 mm
Weight 485 g 556 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 400D
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