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- GPSMAP 66i vs Montana 700i
Garmin GPSMAP 66i vs Garmin Montana 700i
What GPSMAP 66i does better (2) and where Montana 700i wins (2) — every spec side by side.
vs
4.7Positioning4.7
5.4Display9.2
7.0Maps & navigation5.9
8.0Connectivity & safety8.0
6.8Battery4.3
6.9Durability2.8
Dimensions
Size comparison
GPSMAP 66iMontana 700i
| GPSMAP 66i | Montana 700i | Difference | |
|---|---|---|---|
| Height | 163 mm | 183 mm | −20 mm |
| Width | 62 mm | 92 mm | −30 mm |
| Depth | 35 mm | 33 mm | +2 mm |
| Weight | 230 g | 410 g | −180 g |
Drawn to the same scale from the official dimensions (front and side).
Why is GPSMAP 66i better than Montana 700i?
- Battery life35 h vs 18 h+94%
- Weight230 g vs 410 g+78%
Why is Montana 700i better than GPSMAP 66i?
- Screen size3″ vs 5″+67%
- Pixel density155 ppi vs 187 ppi+21%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, Galileo | GPS, Galileo |
| Satellite systems supported | 2 | 2 |
| Multi-band GNSS (L1 + L5/L2) | No | No |
| Raw data logging (RINEX) | Yes | Yes |
| Display | ||
| Screen size | 3″ | 5″ |
| Resolution | 240 × 400 | 480 × 800 |
| Horizontal resolution | 240 px | 480 px |
| Vertical resolution | 400 px | 800 px |
| Pixel density | 155 ppi | 187 ppi |
| Display type | Transflective colour (sunlight-readable) | Transflective colour (sunlight-readable) |
| Touchscreen | — | Yes |
| Maps & navigation | ||
| Preloaded maps | Yes | Yes |
| Map coverage | — | North America |
| Map types | Road, Topographic, Satellite imagery | Road, Topographic, Satellite imagery |
| Turn-by-turn routing | Yes | Yes |
| Satellite imagery | Yes | Yes |
| Internal storage | 16 GB | 16 GB |
| Memory card slot | Yes | Yes |
| Barometric altimeter | Yes | Yes |
| Electronic compass | — | Yes |
| Waypoints | 10,000 | 10,000 |
| Connectivity & safety | ||
| Two-way satellite messaging | Yes | Yes |
| SOS / emergency alert | Yes | Yes |
| Satellite network | Iridium | Iridium |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| ANT+ | Yes | Yes |
| Smartphone notifications | Yes | Yes |
| Flashlight | Yes | Yes |
| Battery & power | ||
| Battery life | 35 h | 18 h |
| Power source | Built-in rechargeable | Built-in rechargeable |
| Runs on AA batteries | — | Yes |
| Build & durability | ||
| Protection rating | IPX7 | IPX7 |
| Water protection (IPx) | IPx7 | IPx7 |
| MIL-STD-810 | Yes | Yes |
| Weight | 230 g | 410 g |
| Width | 62 mm | 92 mm |
| Height | 163 mm | 183 mm |
| Depth | 35 mm | 33 mm |
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