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Compare GARMIN GPSMAP 64, 65 & 66 Series GPS

Garmin GPSMAP handheld navigators are excellent outdoor GPS for hiking, cycling, geocaching or climbing.
You are free to explore more with Garmin handheld navigation in the palm of your hand.

Here's how the Garmin GPSMAP 60 series models are different
and how to find the GPSMAP 64, 65 or 66 that’s best for your next outdoor adventure.

Key Differences between the GPSMAP 64, 65 & 66

 
GPSMAP 66
GPSMAP 65
GPSMAP 64
GNSS Support
GPS, GLONASS, Galileo
GPS, GLONASS, Galileo, QZSS and IRNSS
GPS, GLONASS, Galileo
Resolution
240 x 400 pixels
160 x 240 pixels
160 x 240 pixels
MIL STD 810G ruggedness for thermal, shock and water performance
x
x
RINEX Logging
x
x
Built-in memory
16 GB
16 GB
8 GB (4GB in GPSMAP 64)
Waypoints/ favourites/ locations
10,000
5,000
5,000
Track log
20,000 points, 250 saved gpx tracks, 300 saved fit activities
10,000 points, 200 saved tracks
10,000 points, 200 saved tracks
Routes
250
200
200
Points per Route
250, 250 points per route; 50 points auto routing
200, 250 points per route; 50 points auto routing
200, 250 points per route; 50 points auto routing
Federal public land boundaries
in 66sr
x
Live Track
x
x
Garmin Explore compatible
x
Garmin Connect IQ compatible
x
x

Garmin GPSMAP 64, 65 & 66 Model Differences

Garmin GPSMAP 66i - Send & Receive Text Messages, Share Location & Trigger SOS

GPSMAP x, t & i Models - All have preloaded topo maps

GPSMAP 65 Series - Routable TopoActive North America maps, Expanded GNSS Support

GPSMAP 64, 64x & 65 - Do not have an electronic compass or barometric altimeter

Comparison of GPSMAP 64, 65 & 66 Specifications & Features

Click here to compare with other Garmin handhelds

gpsmap 66i
gpsmap 66s
gpsmap 66st
gpsmap 66sr
gpsmap 64x
gpsmap 64sx
gpsmap 64csx
gpsmap 65
gpsmap 65s
Unit dimensions:
2.6” x 6.4” x 1.4” (6.6 x 16.3 x 3.5 cm)
2.5" x 6.4" x 1.4" (6.2 x 16.3 x 3.5 cm)
2.5" x 6.4" x 1.4" (6.2 x 16.3 x 3.5 cm)
2.5" x 6.4" x 1.4" (6.2 x 16.3 x 3.5 cm)
2.4" x 6.3" x 1.4"
(6.1 x 16.0 x 3.6 cm)
2.4" x 6.3" x 1.4"
(6.1 x 16.0 x 3.6 cm)
2.4" x 6.3" x 1.4"
(6.1 x 16.0 x 3.6 cm)
2.4" x 6.3" x 1.4"
(6.1 x 16.0 x 3.6 cm)
2.4" x 6.3" x 1.4"
(6.1 x 16.0 x 3.6 cm)
Display size:
1.5"W x 2.5"H (3.8 x 6.3 cm); 3" diag (7.6 cm)
1.5"W x 2.5"H (3.8 x 6.3 cm); 3" diag (7.6 cm)
1.5"W x 2.5"H (3.8 x 6.3 cm); 3" diag (7.6 cm)
1.5"W x 2.5"H (3.8 x 6.3 cm); 3" diag (7.6 cm)
1.43" x 2.15" (3.6 x 5.5 cm); 2.6" diag (6.6 cm)
1.43" x 2.15" (3.6 x 5.5 cm); 2.6" diag (6.6 cm)
1.43" x 2.15" (3.6 x 5.5 cm); 2.6" diag (6.6 cm)
1.43" x 2.15" (3.6 x 5.5 cm); 2.6" diag (6.6 cm)
1.43" x 2.15" (3.6 x 5.5 cm); 2.6" diag (6.6 cm)
Display resolution:
240 x 400 pixels
240 x 400 pixels
240 x 400 pixels
240 x 400 pixels
160 x 240 pixels
160 x 240 pixels
160 x 240 pixels
160 x 240 pixels
160 x 240 pixels
Display type:
transflective color TFT
transflective color TFT
transflective color TFT
transflective color TFT
transflective, 65-K color TFT
transflective, 65-K color TFT
transflective, 65-K color TFT
transflective, 65-K color TFT
transflective, 65-K color TFT
Weight w/batteries:
8.5 oz (241 g)
8.1 oz (230 g) 
8.1 oz (230 g) 
8.1 oz (230 g) 
7.7 oz (217 g) with batteries
7.7 oz (217 g) with batteries
7.7 oz (217 g) with batteries
7.7 oz (217 g) with batteries
7.7 oz (217 g) with batteries

Battery:

rechargeable, internal lithium-ion
2 AA batteries (not included); NiMH or Lithium recommended
2 AA batteries (not included); NiMH or Lithium recommended
Rechargeable, internal lithium-ion
2 AA batteries (not included); NiMH or Lithium recommended
2 AA batteries (not included); NiMH or Lithium recommended
rechargeable NiMH pack (included) or 2 AA batteries (not included); NiMH or Lithium recommended
2 AA batteries (not included); NiMH or Lithium recommended
2 AA batteries (not included); NiMH or Lithium recommended
Battery life:
up to 35 hours at 10-minute tracking; up to 200 hours at 30-minute tracking (power save mode)
Up to 16 hours (Standard mode)
Up to 1 week (Expedition mode)
Up to 16 hours (Standard mode)
Up to 1 week (Expedition mode)
Up to 36 hours
Up to 450 hours in expedition mode
16 hours
16 hours
16 hours
16 hours
16 hours
Waterproof:
yes (IPX7)
yes (IPX7)
yes (IPX7)
yes (IPX7)
yes (IPX7)
yes (IPX7)
yes (IPX7)
yes (IPX7)
yes (IPX7)
High-sensitivity receiver:
✔Galileo, GLONASS & GPS
✔Galileo, GLONASS & GPS
✔Galileo, GLONASS & GPS
✔Expanded - GPS, GLONASS, Galileo, QZSS and IRNSS
✔Galileo, GLONASS & GPS
✔Galileo, GLONASS & GPS
✔Galileo, GLONASS & GPS
✔Expanded - GPS, GLONASS, Galileo, QZSS and IRNSS
✔Expanded - GPS, GLONASS, Galileo, QZSS and IRNSS
Interface:
high-speed USB and NMEA 0183 compatible
high-speed USB and NMEA 0183 compatible
high-speed USB and NMEA 0183 compatible
high-speed USB and NMEA 0183 compatible
USB and NMEA 0183 compatible
high-speed USB and NMEA 0183 compatible
high-speed USB and NMEA 0183 compatible
high-speed USB and NMEA 0183 compatible
high-speed USB and NMEA 0183 compatible
MIL STD 810G ruggedness for thermal, shock and water performance
x
x
x
x
x
RINEX Logging
x
x
x
x
x
LED beacon flashlight
x
x
x
x
 
Basemap:
Preloaded maps:
yes (TopoActive U.S and Canada; routable)
x
yes (topographic 100k for U.S. and Canada, not routable)
yes (TopoActive U.S and Canada; routable)
yes (TopoActive U.S and Canada; routable)
yes (TopoActive U.S and Canada; routable)
yes (TopoActive U.S and Canada; routable)
yes (TopoActive U.S and Canada; routable)
yes (TopoActive U.S and Canada; routable)
Ability to add maps:
Federal public land boundaries:
x
x
x
x
x
x
Built-in memory:
16 GB
16 GB
16 GB
16 GB
8 GB
8 GB
8 GB
16 GB
16 GB
Accepts data cards:
yes (32 GB max microSD™ card)
yes (32 GB max microSD™ card)
yes (32 GB max microSD™ card)
yes (32 GB max microSD™ card)
yes (32 GB max microSD™ card)
Waypoints:
10000
10000
10000
10000
5000
5000
5000
5000
5000
Routes:
250
250
250
250
200
200
200
200
200
Track log:
20000 points, 250 saved gpx tracks, 300 saved fit activities
20000 points, 250 saved gpx tracks, 300 saved fit activities
20000 points, 250 saved gpx tracks, 300 saved fit activities
20000 points, 250 saved gpx tracks, 300 saved fit activities
10,000 points, 200 saved tracks
10,000 points, 200 saved tracks
10,000 points, 200 saved tracks
10,000 points, 200 saved tracks
10,000 points, 200 saved tracks
Map segments
15,000
15,000
15,000
15,000
3000
3000
3000
3000
3000
 
Automatic routing:
yes (with optional mapping for detailed roads)
yes (with optional mapping for detailed roads)
Bluetooth/ANT+/WiFi:
wifiBluetooth ANT +
wifiBluetooth ANT +
wifiBluetooth ANT +
wifiBluetooth ANT +
x
Bluetooth ANT +
Bluetooth ANT +
Bluetooth ANT +
Bluetooth ANT +
Electronic compass:
yes (tilt-compensated, 3-axis)
yes (tilt-compensated, 3-axis)
yes (tilt-compensated, 3-axis)
yes (tilt-compensated, 3-axis)
x
yes (tilt-compensated, 3-axis)
yes (tilt-compensated, 3-axis)
x
yes (tilt-compensated, 3-axis)
Barometric altimeter:
x
x
Accelerometer
x
x
x
x
x
Camera:
x
x
x
x
x
x
yes (8 megapixel with autofocus; automatic geotagging)
x
x
Picture viewer:
Custom maps compatible:
(500 custom map tiles)
(500 custom map tiles)
(500 custom map tiles)
(500 custom map tiles)
(500 custom map tiles)
(500 custom map tiles)
(500 custom map tiles)
(500 custom map tiles)
(500 custom map tiles)
BirdsEye Satellite Imagery compatible:
BirdsEye direct to device (no annual subscription required)
BirdsEye direct to device (no annual subscription required)
BirdsEye direct to device (no annual subscription required)
BirdsEye direct to device (no annual subscription required)
yes (subscription required)
yes (subscription required)
yes (subscription required)
yes (subscription required)
yes (subscription required)
Geocaching-friendly:
yes (Geocache Live)
yes (Geocache Live)
yes (Geocache Live)
yes (Geocache Live)
yes (paperless)
yes (paperless)
yes (paperless)
yes (paperless)
yes (paperless)
Hunt/fish calendar:
Sun and moon information:
Area calculation:
Custom POIs:
Smart Notifications:
x
Live Tracking:
x
x
x
Garmin Connect™ compatible:
Garmin Explore compatible
x
x
x
Garmin Connect IQ compatible
x
x
x
x
x
inReach remote widget
built in inReach capabilities
x
x
x
x
x
 
Trigger an interactive SOS with 24/7 search and rescue monitoring center
x
x
x
x
x
x
x
x
Send and receive text messages to SMS and email
x
x
x
x
x
x
x
x
Send and receive messages with other inReach® users, exchange locations
x
x
x
x
x
x
x
x
Track and share location with friends and family on web-based MapShare® portal
x
x
x
x
x
x
x
x
Virtual keyboard for custom text messaging
x
x
x
x
x
x
x
x
Request weather forecasts for current location and planned destination
x
x
x
x
x
x
x
x
WikiLoc (Preloaded with the Wikiloc app with risk-free trial offering more than 9 million trails for download)
x
x
x
x
x
x
x
x
 

(1) Electronic compass: Provides direction information while you are standing still.
(2) Barometric altimeter: Gives altitude accurate to 10 feet with proper calibration.
(3) Elevation profiling: Records your "trip profile" in elevation
(4) Area calculation: Calculates the area enclosed by the track log

Discontinued Garmin GPSMAP Models

Find specifications, accessories and maps for discontinued Garmin GPSMAP models below.


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