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- GPSMAP 65 vs GPSMAP 66i
Garmin GPSMAP 65 vs Garmin GPSMAP 66i
What GPSMAP 65 does better (3) and where GPSMAP 66i wins (3) — every spec side by side.
vs
7.5Positioning4.6
2.8Display5.4
5.6Maps & navigation6.6
3.9Battery6.7
8.2Durability7.2
Dimensions
Size comparison
GPSMAP 65GPSMAP 66i
| GPSMAP 65 | GPSMAP 66i | Difference | |
|---|---|---|---|
| Height | 160 mm | 163 mm | −3 mm |
| Width | 61 mm | 62 mm | −1 mm |
| Depth | 36 mm | 35 mm | +1 mm |
| Weight | 217 g | 230 g | −13 g |
Drawn to the same scale from the official dimensions (front and side).
Why is GPSMAP 65 better than GPSMAP 66i?
- Satellite systems supported4 vs 22×
- Multi-band GNSS (L1 + L5/L2)Yes · GPSMAP 66i: No
- Weight217 g vs 230 g+6%
Why is GPSMAP 66i better than GPSMAP 65?
- Battery life16 h vs 35 h2.2×
- Screen size2.6″ vs 3″+15%
- Pixel density111 ppi vs 155 ppi+40%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, QZSS | GPS, Galileo |
| Satellite systems supported | 4 | 2 |
| Multi-band GNSS (L1 + L5/L2) | Yes | No |
| Raw data logging (RINEX) | — | Yes |
| Display | ||
| Screen size | 2.6″ | 3″ |
| Resolution | 160 × 240 | 240 × 400 |
| Horizontal resolution | 160 px | 240 px |
| Vertical resolution | 240 px | 400 px |
| Pixel density | 111 ppi | 155 ppi |
| Display type | Transflective colour (sunlight-readable) | Transflective colour (sunlight-readable) |
| Maps & navigation | ||
| Preloaded maps | Yes | Yes |
| Map types | Road, Topographic | 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 | 5,000 | 10,000 |
| Connectivity & safety | ||
| Two-way satellite messaging | — | Yes |
| SOS / emergency alert | — | Yes |
| Satellite network | — | Iridium |
| Wi-Fi | — | Yes |
| Bluetooth | Yes | Yes |
| ANT+ | Yes | Yes |
| Smartphone notifications | Yes | Yes |
| Flashlight | — | Yes |
| Battery & power | ||
| Battery life | 16 h | 35 h |
| Power source | Rechargeable pack or AA | Built-in rechargeable |
| Runs on AA batteries | Yes | — |
| Build & durability | ||
| Protection rating | IPX7 | IPX7 |
| Water protection (IPx) | IPx7 | IPx7 |
| MIL-STD-810 | — | Yes |
| Weight | 217 g | 230 g |
| Width | 61 mm | 62 mm |
| Height | 160 mm | 163 mm |
| Depth | 36 mm | 35 mm |
