Product Comparison

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Montana® 680t
$599.99 USD
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Remove this device from comparison.
GPSMAP® 276Cx
$699.99 USD and Up
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Print Remove this device from comparison.
Montana® 680t
$599.99 USD
Buy Now
Remove this device from comparison.
GPSMAP® 276Cx
$699.99 USD and Up
Buy Now

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

Versatile GPS/GLONASS navigator with internal antenna

General

Physical dimensions 2.9" x 5.7" x 1.4" (7.48 x 14.42 x 3.64 cm) 7.5" x 3.7" x 1.7" (19.05 x 9.40 x 4.32 cm)
Touchscreen
Display size 2"W x 3.5"H (5.06 x 8.93 cm); 4" diag (10.2 cm) 5.0" (127.0 mm) diagonal
Display resolution 272 x 480 pixels 800 x 480 pixels
Display type bright, transflective 65k color TFT, dual-orientation touchscreen; sunlight readable bright, sunlight readable WVGA display
Weight 10.2 oz (289 g) with included lithium-ion battery pack; 11.7 oz (333 g) with 3 AA batteries (not included)

15.9 oz (450 g) with included rechargeable pack; 14.6 oz (415 g) with AA batteries (not included)

Battery rechargeable lithium-ion (included) or 3 AA batteries (not included); NiMH or Lithium recommended rechargeable lithium-ion (included) or 3 AA batteries (not included); NiMH or Lithium recommended
Battery life up to 16 hours (lithium-ion); up to 22 hours (AA batteries) up to 16 hours (lithium-ion); up to 8 hours (AA batteries)
Water rating IPX7 IPX7
Memory/History 8 GB 8 GB (6 GB available to use)
High-sensitivity receiver
Interface high-speed USB and NMEA 0183 compatible high-speed USB and NMEA 0183 compatible

Maps & Memory

Preloaded maps yes (topographic)
Ability to add maps
Basemap
Storage and Power Capacity microSD™ card (not included) microSD™ card (not included)
Waypoints/favorites/locations 4000 10,000
Routes 200 250
Track log 10,000 points, 200 saved tracks 20,000 points, 250 saved tracks

Sensors

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

Outdoor Recreation Features

Area calculation
Automatic routing (turn by turn routing on roads) Yes (with optional mapping for detailed roads) Yes (with optional mapping for detailed roads)
Geocaching-friendly Yes (Paperless)
Custom maps compatible
Hunt/fish calendar
Sun and moon information
Camera

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

no

Picture viewer

Garmin Connect™

Garmin Connect™ compatible (online community where you analyze, categorize and share data)

Additional

Additional
  • Map segments: 15,000
  • Wi-Fi: yes
  • ANT+: yes
  • Bluetooth: yes
  • Active weather: yes