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

You’re into off-road adventures and capturing every moment. You need a big, rugged touchscreen handheld with topo maps and a camera.

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

General

Dimension 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, 65K 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)
Waterproof IPX7 IPX7 IPX7
Battery type 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
Interface high speed mini USB and NMEA 0183 compatible high speed mini USB and NMEA 0183 compatible
Memory/History 8 GB (user space varies based on included mapping) 8 GB (user space varies based on included mapping)

Maps & Memory

Preloaded maps

yes (TOPO U.S. 100K; not routable)

yes (TOPO U.S. 100K; not routable)

Ability to add maps
Basemap
Automatic routing (turn by turn routing on roads) for outdoor activities Yes (with optional mapping for detailed roads) Yes (with optional mapping for detailed roads)
Map segments 3500 3000
Includes detailed hydrographic features (coastlines, lake/river shorelines, wetlands and perennial and seasonal streams)
Includes searchable points of interests (parks, campgrounds, scenic lookouts and picnic sites)
Displays national, state and local parks, forests, and wilderness areas
External memory storage yes (32 GB max microSD™ card) yes (32 GB max microSD™ card)
Waypoints/favorites/locations 4000 5000
Tracks 200 200
Navigation Track Log 10000 points, 200 saved tracks 10000 points, 200 saved tracks
Navigation Routes 200, 250 points per route; 50 points auto routing 200, 250 points per route; 50 points auto routing

Sensors

High-sensitivity receiver
GPS
GLONASS
Barometric altimeter
Compass Yes (tilt-compensated 3-axis) Yes (tilt-compensated 3-axis)
GPS compass (while moving)

Daily Smart Features

Smart notifications on handheld
VIRB® Remote
Pairs with Garmin Connect™ Mobile

Outdoor Recreation

Point-to-point navigation
Area calculation
Hunt/fish calendar
Sun and moon information
Geocaching-friendly Yes (Paperless)
Custom maps compatible yes (500 custom map tiles) yes (500 custom map tiles)
Picture viewer
Camera

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

Connections

Connections Wireless Connectivity

yes (BLUETOOTH®, ANT+®)