Garmin GPSMAP 640 - chartplotter comparison

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Product name
Price $719 at 1 store $337 to $340 at 2 stores $14 to $267 at 2 stores $219 to $399 at 4 stores $71 to $139 at 2 stores
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Average user rating 0 stars No reviews, write one! 5.0 stars out of 1 review 0 stars No reviews, write one! 4.0 stars out of 2 reviews 2.0 stars out of 1 review
Release date December 16, 2008 December 08, 2010 June 06, 2012 April 06, 2009 September 01, 2011
The Bottom Line

Basic specs

Features See What's the Same or What's different
Waterproof Yes
Yes
Info unavailable Info unavailable Info unavailable
Included GPS accessories Power/data cable
Protective cover
AC power adapter
USB cable
Marine mount
Power/data cable
Protective cover
Flush mount
Car power adapter with TMC antenna
USB cable
Suction cup mount
Car power adapter with TMC antenna
Vehicle mount
Dashboard disc
USB cable
Car power adapter
Automotive windshield mount
Navigation routes 50
100
100
15
Info unavailable
Navigation tracklog points 10000
10000
Info unavailable Info unavailable Info unavailable
Navigation waypoints 1500
3000
1000
1000
Info unavailable
Audible assistance Voice command recognition
Info unavailable Voice command recognition
Street name announcement
Navigation instructions
Street name announcement
Navigation instructions
Street name announcement
Navigation instructions
Services features Info unavailable Info unavailable Lane Assistant
Speed
Time/date
Lane Assistant
Distance
Lane Assistant
GPS PC connection NMEA 0183
NMEA 0183
NMEA 2000
USB
Bluetooth
USB
Bluetooth
USB 2.0
Antenna Built-in
Built-in
Built-in
Built-in
Built-in
Weight 17.3 oz
1.3 lbs
6.8 oz
6.1 oz
5.2 oz
System features Alarm
XM weather support
2D / 3D map perspective
Custom POIs
Alarm
Automatic routing
Optional external GPS antenna connection
Alarm
Calculator
Clock
Speed limit warning
Emergency Help
Garmin Locate
Pedestrian Mode
nüRoute Technology with trafficTrends
Photo navigation
Junction view
Hands-free calling via Bluetooth
Garmin Garage
Preinstalled POIs
Currency converter
Measurement converter
Photo viewer
Custom POIs
Downloadable POIs
Built-in speaker
Calculator
Clock
Speed limit warning
Emergency Help
Garmin Lock
Built-in microphone
Hands-free calling via Bluetooth
Garmin Garage
Preinstalled POIs
National Truck & Trailer Services (NTTS) Breakdown Directory
Currency converter
Photo viewer
Measurement converter
Custom POIs
Downloadable POIs
Automatic routing
Built-in speaker
Speed limit warning
Turn-by-Turn Routing
Find Your Car
Lifetime map updates
Pedestrian Mode
AAA Roadside Assistance
Smart Detour
Highway lane assist
Automatic day/night mode
QuickSpell with SmartCity search
AAA TourBook
Preinstalled POIs
Built-in speaker
Destination Marine
Automotive
Marine
Automotive
Automotive
Automotive
Included GPS software Garmin Worldwide Marine Basemap
Garmin City Navigator North America NT
Garmin Worldwide Marine Basemap
nüMaps Lifetime subscription
NAVTEQ
MapSource City Navigator North America NT
Info unavailable
Full specifications Full specifications Full specifications Full specifications Full specifications Full specifications
Buying choices
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