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.
At a glance
Part by part
Matched by each product's size tier within its own line, so a row pairs each brand's compact, medium, large or XL piece. Tiers are for lining lineups up; the dimensions say how big each one really is.
Fish Finders & Chartplotters 5 vs 18
All fish finders & chartplotters from both brands, side by side →
What each one works with
Which live sonar works with Garmin ECHOMAP UHD2?
By the brands' own lists: Garmin LiveScope Plus (3 of 5 models), Garmin LiveScope XR (3 of 5 models), Garmin LiveScope 2 (3 of 5 models) and Garmin LiveScope 2 HD (3 of 5 models). The product pages give the adapter, software version or model each one needs.
Which trolling motors can Garmin ECHOMAP UHD2 steer?
By the brands' own lists: Garmin Force (3 of 5 models), Garmin Force Kraken (3 of 5 models) and Garmin Force Pro (3 of 5 models). The product pages give the adapter, software version or model each one needs.
Which live sonar works with Garmin GPSMAP x3?
By the brands' own lists: Garmin LiveScope Plus (10 of 18 models), Garmin LiveScope XR (10 of 18 models), Garmin LiveScope 2 (all 18 models), Garmin LiveScope 2 HD (all 18 models), Garmin Panoptix PS22-TR (12 of 18 models), Garmin Panoptix PS31 (12 of 18 models), Garmin Panoptix PS51-TH (12 of 18 models) and Garmin Panoptix PS70 (16 of 18 models). The product pages give the adapter, software version or model each one needs.
Which trolling motors can Garmin GPSMAP x3 steer?
By the brands' own lists: Garmin Force (12 of 18 models), Garmin Force Kraken (17 of 18 models) and Garmin Force Pro (16 of 18 models). The product pages give the adapter, software version or model each one needs.
Garmin ECHOMAP UHD2 · Garmin GPSMAP x3 · The compatibility chart
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 at $499.99, and the cheapest Garmin GPSMAP x3 fish finder is the GPSMAP 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) and 15.6 in for Garmin GPSMAP x3 (GPSMAP 1623).
Answered from the catalogue data, as of November 1, 2026. How we compare.