Garmin
Garmin ECHOMAP UHD2 74sv
$1099.99
Best Marine Chartplotters · head-to-head
Garmin ECHOMAP UHD2 74sv vs Furuno GP-1871F
A sourced, side-by-side comparison. Garmin ECHOMAP UHD2 74sv is cheaper at $1099.99. Every spec and price links to its source.
Furuno
Furuno GP-1871F
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Garmin ECHOMAP UHD2 74sv | Furuno GP-1871F |
|---|---|---|
| US price | $1099.99 | — |
| Brand | Garmin | Furuno |
| Released | — | — |
| Display size (in) | 7 | 7 |
| Resolution px | 800x480 | 800x480 |
| Sonar builtin | Ultra High-Def SideVü, ClearVü, and Traditional CHIRP | Built-in TruEcho CHIRP fish finder with RezBoost, ACCU-FISH and Bottom Discrimination |
| Chirp frequencies (kHz) | Traditional CHIRP 50/77/83/200; ClearVü/SideVü 260/455/800/1000/1200 | 40-225 |
| Gps type | Multi-band GPS, GLONASS, Galileo, BeiDou, 10 Hz | Internal 72-channel GPS antenna, WAAS/EGNOS/MSAS SBAS |
| Touchscreen | Yes | Yes |
| Networking | NMEA 2000, Wi-Fi (Garmin Marine Network), Bluetooth, ANT | NMEA 2000 (CAN bus), NMEA 0183, wireless tablet/smartphone mirroring, compatible with DRS4W wireless radar and NAVpilot autopilot |
| Preloaded charts | Garmin Navionics+ U.S. Coastal & Great Lakes Mapping (incl. 1-year chart-update subscription) | None confirmed preloaded; compatible with C-MAP 4D and Navionics chart cards (sold separately) |
Sources — Garmin ECHOMAP UHD2 74sv: garmin.com (verified 2026-08-01). Furuno GP-1871F: furuno.com (verified 2026-08-01).
What's the difference between the Garmin ECHOMAP UHD2 74sv and Furuno GP-1871F?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Sonar builtin: Garmin ECHOMAP UHD2 74sv Ultra High-Def SideVü, ClearVü, and Traditional CHIRP vs Furuno GP-1871F Built-in TruEcho CHIRP fish finder with RezBoost, ACCU-FISH and Bottom Discrimination
- Chirp frequencies (kHz): Garmin ECHOMAP UHD2 74sv Traditional CHIRP 50/77/83/200; ClearVü/SideVü 260/455/800/1000/1200 vs Furuno GP-1871F 40-225
- Gps type: Garmin ECHOMAP UHD2 74sv Multi-band GPS, GLONASS, Galileo, BeiDou, 10 Hz vs Furuno GP-1871F Internal 72-channel GPS antenna, WAAS/EGNOS/MSAS SBAS
- Networking: Garmin ECHOMAP UHD2 74sv NMEA 2000, Wi-Fi (Garmin Marine Network), Bluetooth, ANT vs Furuno GP-1871F NMEA 2000 (CAN bus), NMEA 0183, wireless tablet/smartphone mirroring, compatible with DRS4W wireless radar and NAVpilot autopilot
- Preloaded charts: Garmin ECHOMAP UHD2 74sv Garmin Navionics+ U.S. Coastal & Great Lakes Mapping (incl. 1-year chart-update subscription) vs Furuno GP-1871F None confirmed preloaded; compatible with C-MAP 4D and Navionics chart cards (sold separately)