Camera Rocket Review Our evaluation of Rebel XS vs 550D

Image Quality

RAW image quality independent of lens

DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

Focus lag

Responsiveness

How much delay is there between you and your photo?

Focus lag, continuous shooting and Startup delay

Reviews

What do the experts think?

Reviews from techradar.com, reviews.cnet.com, trustedreviews.com and dpreview.com

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

Winner
Canon EOS Digital Rebel XS 

Camera Rocket recommends the Canon EOS Digital Rebel XS  based on its focusing and responsiveness.

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Benchmarks Real world tests of EOS Digital Rebel XS vs 550D

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

EOS 550D
784 ISO

Focus lag Delay between fully pressing shutter to image capture

Shutter lag Delay to take a photo when prefocused

Startup delay Delay from power on to first photo

Continuous shooting Delay between fully pressing shutter to image capture

Battery life How many photos per battery charge (CIPA)

EOS 550D
440 photos

Features Key features of the EOS Digital Rebel XS  vs 550D 

Megapixels Maximum resolution images are captured at

EOS 550D
17.9 MP

Max ISO Maximum light sensitivity of the sensor

EOS 550D
12,800 ISO

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

Viewfinder size Large viewfinders are brighter and more comfortable to use

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

EOS Digital Rebel XS
32.6 microns
EOS 550D
18.5 microns

Reviews Word on the street

EOS Digital Rebel XS  vs 550D 

8.0
8.0
The exposure system is also generally good, although I did find that it had a tendency to over-expose in some circumstances, particularly burning out highlights on some high-contrast subjects.
EOS Digital Rebel XS

7.2
7.8
Canon excels with its noise-reduction algorithms, though it seems to start with a surprisingly low-noise image to begin with, at least at ISO 3,200.
EOS 550D

9.0
9.0
Settings are displayed big and bold and easy to read, and the menu system is intuitive to work around, having been clearly designed around the first time user.
EOS Digital Rebel XS

Overall

8.3 Out of 10
8.4 Out of 10

Specifications Full list of technical specs

sensor

EOS Digital Rebel XS  vs
550D 
Type CMOS CMOS
Megapixels 10.1 MP 17.9 MP
Resolution 3888 x 2592 5184 x 3456
Size APS-C APS-C
Area 22.2 x 14.8 mm 22.3 x 14.9 mm
Crop factor 1.6x 1.6x
Pixel size 32.6 microns 18.5 microns
Light sensitivity 100 ISO to 1,600 ISO 100 ISO to 6,400 ISO
Codecs
RAW
JPEG

display

Type LCD LCD
Size 2.5" 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 Yes Yes

shutter

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

performance

Max continuous shooting 3 fps 3.7 fps
Battery life 500 440
Continuous shooting
3.7 fps, JPEG
3 fps, JPEG
Focus lag 164 ms 252 ms
Shutter lag 87 ms 96 ms
Startup delay 300 ms 400 ms

video

EOS Digital Rebel XS  vs
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

focus system

Type Contrast detection Phase detection

viewfinder

Viewfinder mirror Opaque Opaque
Viewfinder Yes Yes
Type Pentamirror Pentamirror
Coverage 95% 95%
Magnification 0.81x 0.87x
Viewfinder size 0.5x 0.54x

form factor

Size 126 x 98 x 65 mm 129 x 98 x 62 mm
Thickness 65 mm 62 mm
Weight 502 g 530 g
Is weather sealed No No

features

Includes a GPS No No
Supports HDR No No
Automatic panorama No No
Create realistic 3D images No No
Image stabilization
Canon EOS Digital Rebel XS
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Canon EOS 550D
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