Product Comparison

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Montana® 680t
$599.99 USD
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GPSMAP® 64st
$349.99 USD
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Quest®
$449.99 USD
Print Remove this device from comparison.
Montana® 680t
$599.99 USD
Buy Now
Remove this device from comparison.
GPSMAP® 64st
$349.99 USD
Buy Now
Remove this device from comparison.
Quest®
$449.99 USD

Touchscreen GPS/GLONASS device with preloaded TOPO maps and 8 megapixel camera

Full-featured GPS/GLONASS device with sensors and TOPO maps

General

Physical dimensions 2.9" x 5.7" x 1.4" (7.48 x 14.42 x 3.64 cm) 2.4" x 6.3" x 1.4" (6.1 x 16.0 x 3.6 cm) 4.5"W x 2.2"H x 0.9"D (11.43 x 5.59 x 2.29 cm)
Touchscreen
Display size 2"W x 3.5"H (5.06 x 8.93 cm); 4" diag (10.2 cm) 1.43" x 2.15" (3.6 x 5.5 cm); 2.6" diag (6.6 cm) 2.2"W x 1.5"H (3.81 x 5.59 cm)
Display resolution 272 x 480 pixels 160 x 240 pixels 240 x 160 pixels
Display type bright, transflective 65k color TFT, dual-orientation touchscreen; sunlight readable transflective, 65-K color TFT 256-color, high resolution reflective TFT with backlighting
Weight 10.2 oz (289 g) with included lithium-ion battery pack; 11.7 oz (333 g) with 3 AA batteries (not included) 8.1 oz (230 g) with batteries 5.5 ounces (155.92 g)
Battery rechargeable lithium-ion (included) or 3 AA batteries (not included); NiMH or Lithium recommended 2 AA batteries (not included); NiMH or Lithium recommended rechargeable lithium-ion
Battery life up to 16 hours (lithium-ion); up to 22 hours (AA batteries) 16 hours up to 20 hours
Water rating IPX7 IPX7 IPX7
High-sensitivity receiver
Memory/History 8 GB 8GB

Maps & Memory

Preloaded maps yes (topographic) yes (topographic)
Ability to add maps
Basemap
Automatic routing (turn by turn routing on roads) Yes (with optional mapping for detailed roads) Yes (with optional mapping for detailed roads)
External memory storage microSD™ card (not included) microSD™ card (not included)
Waypoints/favorites/locations 4000 5000
Track log 10,000 points, 200 saved tracks 10,000 points, 200 saved tracks
Routes 200 200

Sensors

Barometric altimeter
Compass Yes (tilt-compensated 3-axis) Yes (tilt-compensated 3-axis)

Outdoor Recreation Features

Area calculation
Hunt/fish calendar
Sun and moon information
Geocaching-friendly Yes (Paperless) Yes (Paperless)
Custom maps compatible
Picture viewer
Camera

yes (8 megapixel with autofocus; automatic geo-tagging)

Additional

Additional

Smart Notifications: yes

Live Tracking: yes (with Garmin Connect™ Mobile)