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Garmin nuvi 5000
Garmin nuvi 855
Tomtom GO 730
Garmin dezl 560
Sony XNV-660BT
Garmin nuvi 5000 GPS
Garmin nuvi 855 GPS
Tomtom GO 730 GPS
Garmin Dezl 560lmt GPS Receiver
Sony XNV-660BT GPS Receiver
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Release Date
Jul 2008
Oct 2008
Mar 2008
Jan 2011
Oct 2010
Designation
Automobile
Automobile
Automobile
Automobile
Automobile
Map capabilities
Internal
Internal, Map cartridges / Data cards
Internal, Download maps
Internal
Receiver type
12 Channels
4 channels
Enhanced accuracy
Touch Screen
Form Factor
Fixed
Fixed
Fixed
Mountable, Portable
In-dash
Input Method
Keypad,Voice Command
Touch Screen, Voice Command
Touch Screen, Keyboard, Voice Command
Touch Screen
Screen Size
5.2 inch
4.4 inch
4.3 inch
5.0 inch
6.1 inch
User interface
Touch Screen
Touch Screen
Touch Screen
Average Rating
 3.3 stars
 2.5 stars
 3.8 stars
 n stars
 n stars
Display
95% Positive
5% Negative
100% Positive
100% Positive
Maps
100% Positive
100% Positive
100% Positive
Usability
75% Positive
25% Negative
100% Positive
100% Positive
Navigation
33% Positive
67% Negative
100% Positive
80% Positive
20% Negative