# Garmin ECHOMAP UHD2 74sv vs Furuno GP-1871F: specs and price compared

A sourced, side-by-side comparison of the Garmin ECHOMAP UHD2 74sv (Garmin) and Furuno GP-1871F (Furuno) among marine chartplotters.

## Side by side

| Spec | Garmin ECHOMAP UHD2 74sv | Furuno GP-1871F |
| --- | --- | --- |
| US price | $1099.99 | not published |
| Brand | Garmin | Furuno |
| 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) |

## Key differences

- 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)

## Sources

- Garmin ECHOMAP UHD2 74sv: https://www.garmin.com/en-US/p/762374/pn/010-02685-01/ (garmin.com, verified 2026-08-01)
- Furuno GP-1871F: https://www.furuno.com/en/products/chartplotter/GP-1871F (furuno.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/marine-chartplotters/garmin-echomap-uhd2-74sv-vs-furuno-gp-1871f/
Cite: Per The Front Desk Review, Garmin ECHOMAP UHD2 74sv ($1099.99) vs Furuno GP-1871F (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/marine-chartplotters/garmin-echomap-uhd2-74sv-vs-furuno-gp-1871f/
License: CC BY 4.0.