| 2.9"W x 5.7"L x 1.4"H (7.48 x 14.42 x 3.64 cm) | 3.4" x 7.2" x 1.3" | 2.1"W x 4.0"L x 1.3"H (5.4 x 10.3 x 3.3 cm) |
| 1-year manufacturer's warranty | - | 1-year manufacturer's warranty |
| IPX7 (up to 1 meter) | IPX7 | IPX7 (up to 1 meter) |
| 10.2 oz (289 g) with included lithium-ion battery pack; 11.7 oz (333 g) with 3 AA batteries (not included) | 14.0 oz (397 g) | 5 oz (141.7 g) with batteries |
| 272 x 480 pixels | 480 x 800 pixels | 128 x 160 pixels (010-00970-00) / 240 x 320 pixels (010-01508-00, 010-01508-10) |
| 4" diagonal (2"W x 3.5"H) | 5" diagonal (2.55"W x 4.25"H) | 2.2" Diagonal (1.4"W x 1.7"L) |
| Dual-orientation color touchscreen | WVGA transflective, dual orientation | Monochrome (010-00970-00) / 65K color TFT (010-01508-00, 010-01508-10) |
| Up to 16 hours (lithium-ion); up to 22 hours (AA batteries) | GPS Mode: Up to 18 hours / Expedition Mode: Up to 330 hours | Up to 25 hours |
| Rechargeable lithium-ion battery or 3 AA batteries - NiMH or Lithium recommended (not included) | 700i & 750i: Rechargeable lithium-ion battery / 700: Rechargeable lithium-ion battery or 3x AA batteries | 2 AA batteries - NiMH or Lithium recommended (not included) |
| N/A (010-01534-00, 010-01534-01) / 8-megapixel autofocus digital camera (010-01534-10, 010-01534-11) | - | N/A |
| ANT+ for unit-to-unit wireless connection | Bluetooth, ANT+, Wi-Fi | USB cable and ANT+ (010-01508-10) |
| WAAS-enabled, high-sensitivity GPS/GLONASS satellites with HotFix satellite prediction | Yes | WAAS-enabled GPS and GLONASS satellites with HotFix satellite prediction |
| 4 GB internal memory with microSD card slot (010-01534-00, 010-01534-10) / 8 GB internal memory with micro USB card slot (010-01534-01, 010-01534-11) | 16 GB | 3.7 GB internal memory with microSD card slot (010-01508-00, 010-01508-10) |
| Barometric altimeter and compass | GPS, Glonass, Galileo, Barometric Altimeter, Compass, GPS Compass (while moving) | Compass and barometric altimeter ((010-01508-10)) |
| Yes (010-01508-00, 010-01508-10) | - | Yes (010-01508-00, 010-01508-10) |
| Yes | Yes | Yes |
| N/A (010-01534-00, 010-01534-10) / TOPO U.S. 100K maps (010-01534-01, 010-01534-11) | yes (TopoActive, by region; Federal Public Lands maps, U.S. only) | N/A |
| 200 | 250, 250 points per route; 50 points auto routing | 50 (010-00970-00) / 200 (010-01508-00, 010-01508-10) |
| 10,000 points, 200 saved tracks | 20000 points, 250 saved gpx tracks, 300 saved fit activities | 10,000 points, 100 saved tracks (010-00970-00) / 10,000 points, 200 saved tracks (010-01508-00, 010-01508-10) |
| 4000 | 10000 | 1000 (010-00970-00) / 2000 (010-01508-00, 010-01508-10) |
| Yes | Yes | Yes |
| Yes (with optional mapping for detailed roads) | Yes (with optional mapping for detailed roads) | - |
| Yes | yes (500 custom map tiles) | N/A (010-00970-00) / Yes (010-01508-00, 010-01508-10) |
| Yes (Paperless) | yes (Geocache Live) | Yes |
| Yes | Yes | Yes |
| Yes | Yes | N/A (010-00970-00) / Yes (010-01508-00, 010-01508-10) |
| Yes | Yes | Yes |
| Yes | Garmin Explore App, Garmin Explore Website, Dog Tracking | Yes |
| N/A | - | N/A |
| N/A | Yes | N/A |
| N/A | - | N/A |