Garmin Echomap UHD2 73sv vs Humminbird Helix 7 CHIRP SI GPS G4

Last updated: November 2, 2026

The Humminbird Helix 7 CHIRP SI GPS G4 is the better fish finder overall, rated 3.6 to 3.4. The Humminbird Helix 7 CHIRP SI GPS G4 leads on value and screen. The Garmin Echomap UHD2 73sv wins on warranty. The Humminbird Helix 7 CHIRP SI GPS G4 costs $476.59 less ($523.40 vs $999.99).

Garmin Echomap UHD2 73sv vs Humminbird Helix 7 CHIRP SI GPS G4

Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every up to 7 in fish finder; a clear win is highlighted. How we rank explains each one.

Factor weightHumminbird Helix 7 CHIRP SI GPS G4Garmin Echomap UHD2 73sv
Overall rating3.6/53.4/5
Value 30%43 $74.77 per inch of screen ($523.40, 7 in)3 $142.86 per inch of screen ($999.99, 7 in)
Sonar 25%100 CHIRP, down imaging, side imaging100 CHIRP, down imaging, side imaging
GPS and maps 15%100 GPS with preloaded maps100 GPS with preloaded maps
Screen 10%58 1024 x 600, 170 pixels per inch28 800 x 480, 133 pixels per inch
Warranty 20%0 1-year warranty50 2-year warranty

Specifications

Humminbird Helix 7 CHIRP SI GPS G4Garmin Echomap UHD2 73sv
Display
Screen7 in7 in
Resolution1024 x 600800 x 480
Pixels per inch170133
TouchscreenNoYes
Sonar
CHIRPYesYes
Down imagingYesYes
Side imagingYesYes
Live sonar readyNoYes
Maximum depth1,200 ft-
TransducerXNT 9 HW SI TGT54UHD-TM
Navigation and build
GPSYesYes
MapsPreloadedPreloaded
Phone pairingNoYes
NetworkingNoYes
Warranty1 year2 years
Released2021-092023-01-11

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