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Tomtom XXL 540
TomTom XXL 550
TomTom Via 1535tm
TomTom VIA 1535T
TomTom GO 550 LIVE
TomTom XXL 540M GPS Receiver
TomTom XXL 550M 4.3 in. Car GPS Receiver
TomTom Via 1535tm - 7.1 in. Car GPS Receiver
TomTom VIA 1535T GPS Receiver
TomTom GO 550 LIVE GPS Receiver
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Score
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Score
Release Date
Oct 2009
Apr 2010
Jan 2011
Jan 2011
Mar 2010
Designation
Automobile
Automobile
Automobile
Automobile
Automobile
Map capabilities
Internal
Internal
Internal
Internal
Internal
Receiver type
12 Channels
20 Channels
Enhanced accuracy
Touch Screen
Form Factor
Fixed
Fixed
Fixed
Fixed
Fixed
Input Method
Touch Screen
Touch Screen
Touch Screen, Voice Command
Touch Screen
Touch Screen
Screen Size
5.0 inch
4.3 inch
7.1 inch
5.0 inch
4.3 inch
User interface
Touch Screen
Touch Screen
Touch Screen, Voice Command
Touch Screen
Average Rating
 4.1 stars
 3.8 stars
 3.5 stars
 3.5 stars
 4.0 stars
Display
88% Positive
12% Negative
66% Positive
34% Negative
Navigation
62% Positive
38% Negative
60% Positive
40% Negative
100% Positive
Usability
50% Positive
50% Negative
50% Positive
50% Negative
Maps
100% Positive
77% Positive
23% Negative
100% Positive