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| Product | Garmin GPSMAP 640 (chartplotter) | Magellan CrossoverGPS | Garmin GPSMAP 421s (chartplotter) | Garmin GPSMAP 620 (chartplotter) | TomTom Start 20 (Europe - GPS receiver) |
| Price | $659.59 to $756.09 | Pricing is currently unavailable. | $324.95 to $389.99 | $601.55 | $96.99 to $105.99 |
| CNET editors' rating | Info unavailable | 3 stars | Info unavailable | Info unavailable | Info unavailable |
| Average user rating | 0 stars | 2 stars | 5 stars | 0 stars | 0 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | Info unavailable | The Magellan CrossoverGPS is a versatile GPS, offering navigation help to drivers, boaters, and walkers, but it's tripped up by sluggish performance. | Info unavailable | Info unavailable | Info unavailable |
| Destination | Marine Automotive | Hiking Marine Automotive | Marine | Marine | Automotive |
| Included GPS accessories | Power/data cable Protective cover AC power adapter USB cable Marine mount | Info unavailable | Power/data cable Protective cover Flush mount | USB cable Protective cover AC power adapter | USB car charger USB cable |
| Included GPS software | Garmin Worldwide Marine Basemap Garmin City Navigator North America NT | Info unavailable | Garmin Worldwide Marine Basemap | Garmin Worldwide Marine Basemap | TomTom HOME |
| Antenna | Built-in | Built-in | Built-in | Built-in | Built-in |
| Audible assistance | Voice command recognition | Navigation instructions | Info unavailable | Voice command recognition | Navigation instructions |
| Waterproof | Yes | Yes | Yes | Yes | Info unavailable |
| Weight | 17.3 oz | 8.5 oz | 1.3 lbs | 17.3 oz | 6.4 oz |
| GPS PC connection | NMEA 0183 | USB | NMEA 0183 NMEA 2000 | NMEA 0183 | USB |
| System features | Alarm XM weather support 2D / 3D map perspective Custom POIs | Built-in HDD 2D / 3D map perspective Preinstalled POIs Built-in speaker | Alarm Automatic routing Optional external GPS antenna connection | Alarm 2D / 3D map perspective Custom POIs | Plug & go Preinstalled POIs IQ Routes technology Emergency Help TomTom QuickGPSfix TomTom Map Share technology Built-in speaker |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | Prices from 4 stores | Pricing is currently unavailable. |
| Prices from 1 store |
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Garmin GPSMAP 640 compare (chartplotter)
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