# Garmin ECHOMAP UHD2 vs Garmin GPSMAP x3

> Largest fish finder: 9 in (Garmin ECHOMAP UHD2 9" sv) against 15.6 in (Garmin GPSMAP x3 GPSMAP 1623). Largest screen: 9 in (Garmin ECHOMAP UHD2 9" sv) against 15.6 in (Garmin GPSMAP x3 GPSMAP 1623). Garmin ECHOMAP UHD2 has 5 products on sale across 1 category, priced $499.99 to $1,399.99. Garmin GPSMAP x3 has 18 products on sale across 1 category, priced $1,199.99 to $5,099.99.

| | [Garmin ECHOMAP UHD2](https://sonarmatch.com/lines/garmin-echomap-uhd2/) | [Garmin GPSMAP x3](https://sonarmatch.com/lines/garmin-gpsmap-x3/) |
|---|---|---|
| Products on sale | 5 | 18 |
| Categories | Fish Finders & Chartplotters (5) | Fish Finders & Chartplotters (18) |
| Price range | $499.99 – $1,399.99 | $1,199.99 – $5,099.99 |
| Largest fish finder | 9 in (ECHOMAP UHD2 9" sv) | 15.6 in (GPSMAP 1623) |
| Largest screen | 9 in (ECHOMAP UHD2 9" sv) | 15.6 in (GPSMAP 1623) |
| Most thrust | none published | none published |
| Where sold | Garmin | Garmin |

## Questions

**Which is cheaper, Garmin ECHOMAP UHD2 or Garmin GPSMAP x3?**
On the prices we have (as of November 1, 2026), the cheapest Garmin ECHOMAP UHD2 fish finder is the [ECHOMAP UHD2 5" cv](https://sonarmatch.com/products/garmin-echomap-uhd2-5-cv/) at $499.99, and the cheapest Garmin GPSMAP x3 fish finder is the [GPSMAP 723](https://sonarmatch.com/products/garmin-gpsmap-x3-723/) at $1,199.99. Prices are re-checked weekly.

**Which has more products, Garmin ECHOMAP UHD2 or Garmin GPSMAP x3?**
Garmin ECHOMAP UHD2: 5 products on sale across 1 category. Garmin GPSMAP x3: 18 across 1.

**Which has the bigger screen, Garmin ECHOMAP UHD2 or Garmin GPSMAP x3?**
By the brands' own figures: 9 in for Garmin ECHOMAP UHD2 ([ECHOMAP UHD2 9" sv](https://sonarmatch.com/products/garmin-echomap-uhd2-9-sv/)) and 15.6 in for Garmin GPSMAP x3 ([GPSMAP 1623](https://sonarmatch.com/products/garmin-gpsmap-x3-1623/)).

Full product lists with specs and sources: [Garmin ECHOMAP UHD2](https://sonarmatch.com/lines/garmin-echomap-uhd2/index.md), [Garmin GPSMAP x3](https://sonarmatch.com/lines/garmin-gpsmap-x3/index.md). Page: https://sonarmatch.com/vs/echomap-vs-gpsmap/

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SonarMatch answers which fish finders work with which live sonar systems, trolling motors and adapters, across brands, with the brand's own source for every answer and spec. [How we compare](https://sonarmatch.com/how-we-compare/). Data as of 2026-11-01.