Camera Rocket Review Our evaluation of 550D vs 1100D

Image Quality

RAW image quality independent of lens

DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range


How fast and easily does the camera nail focus

Focus lag, cross type focus points and focus points


How much delay is there between you and your photo?

EOS 550D
EOS 1100D
Focus lag, continuous shooting and Startup delay


What do the experts think?

Reviews from,, and 4 more

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

Canon EOS 1100D 

Camera Rocket recommends the Canon EOS 1100D  based on its focusing and responsiveness.

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Benchmarks Real world tests of EOS 550D vs 1100D

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

EOS 550D
784 ISO
EOS 1100D
755 ISO

Focus lag Delay between fully pressing shutter to image capture

EOS 550D
252 ms
EOS 1100D
110 ms

Shutter lag Delay to take a photo when prefocused

EOS 550D
96 ms
EOS 1100D
113 ms

Startup delay Delay from power on to first photo

EOS 550D
400 ms
EOS 1100D
100 ms

Continuous shooting Delay between fully pressing shutter to image capture

EOS 550D
3.7 fps
EOS 1100D
3 fps

Battery life How many photos per battery charge (CIPA)

EOS 550D
440 photos
EOS 1100D
700 photos

Features Key features of the EOS 550D  vs 1100D 

Megapixels Maximum resolution images are captured at

EOS 550D
17.9 MP
EOS 1100D
12.2 MP

Max ISO Maximum light sensitivity of the sensor

EOS 550D
12,800 ISO
EOS 1100D
6,400 ISO

Focus points How many different points the camera can focus on

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

Viewfinder size Large viewfinders are brighter and more comfortable to use

EOS 550D
EOS 1100D

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

EOS 550D
18.5 microns
EOS 1100D
26.8 microns

Reviews Word on the street

EOS 550D  vs 1100D 

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

The Canon EOS 550D's maximum shutter speed is 30 seconds and there's a Bulb mode for even longer exposures, which is excellent news if you're seriously interested in night photography.
EOS 550D

Shots at 1600 ISO are comparable with the results from the EOS 5D MkII, arguably the best high-ISO camera on the market, and even at 3200 ISO shots are perfectly usable, although quality does break down at the 6400 ISO maximum setting.
EOS 550D

Just remember that to make the most of all that extra sensor resolution you'll need to shoot in RAW, and get some extra lenses.
EOS 550D


8.4 Out of 10
8.0 Out of 10

Specifications Full list of technical specs


EOS 550D  vs
Megapixels 17.9 MP 12.2 MP
Resolution 5184 x 3456 4272 x 2848
Area 22.3 x 14.9 mm 22.2 x 14.7 mm
Crop factor 1.6x 1.6x
Pixel size 18.5 microns 26.8 microns
Light sensitivity 100 ISO to 6,400 ISO 100 ISO to 6,400 ISO
Self cleaning sensor Yes No

focus system

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


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

form factor

Size 129 x 98 x 62 mm 130 x 100 x 78 mm
Thickness 62 mm 78 mm
Weight 530 g 459 g
Is weather sealed No No


Includes a GPS No No
Supports HDR No No
Automatic panorama No No
Create realistic 3D images No No
Image stabilization


EOS 550D  vs
Video 1920 x 1080 @ 30 fps 1280 x 720 @ 30 fps
Shoots video in 24p Yes No
Shoots high speed video No No
External mic jack 3.5mm None
Autofocus while shooting video Manual


Size 3" 2.7"
Resolution 1,040 k dots 230 k dots
Has a touch screen No No
Has a flip out screen No No
Supports live view Yes Yes


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


Max continuous shooting 3.7 fps 3 fps
Battery life 440 700
Continuous shooting
3.7 fps, JPEG
3 fps, JPEG
Focus lag 252 ms 110 ms
Shutter lag 96 ms 113 ms
Startup delay 400 ms 100 ms
Canon EOS 550D
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Canon EOS 1100D
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