Humminbird Helix 7 CHIRP SI GPS G4
#1 in Up to 7 inFull review
A well priced side imaging GPS combo for small and mid size boats that will not add live sonar.
Amazon $523.40$523.40
3.5/5
The cheapest Garmin with real lake maps, for small boats that want charts and down imaging in one compact unit.
- 5 inScreen
- CHIRP, DownSonar
- YesGPS
- PreloadedMaps
Check price at Amazon$448
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Preloaded Navionics+ inland lake maps at a Striker price
- ClearVu down imaging and CHIRP sonar from the GT20 transducer
- Wi-Fi pairs with the ActiveCaptain app for chart and software updates
- Two year warranty, twice the Striker line
Cons
- No side imaging with the included transducer
- No NMEA 2000 or live sonar support on the keyed models
- Small 5 in screen gets busy with map and sonar together
The Garmin ECHOMAP UHD2 family
Every Garmin ECHOMAP UHD2 model we rank, smallest first. Ratings compare each against its own size.
| Model | Screen | Rating | Price |
|---|---|---|---|
| Garmin Echomap UHD2 53cv (this one) | 5 in | 3.5/5 | $448 |
| Garmin Echomap UHD2 63sv | 6.2 in | 3.5/5 | $849.99 |
| Garmin Echomap UHD2 73cv | 7 in | 3.4/5 | $649.99 |
| Garmin Echomap UHD2 73sv | 7 in | 3.4/5 | $999.99 |
| Garmin Echomap UHD2 93sv | 9 in | 3.8/5 | $1,299.99 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | 010-02590-51 |
|---|---|
| Display | |
| Screen | 5 in |
| Resolution | 800 x 480 |
| Pixels per inch | 187 |
| Touchscreen | No |
| Sonar | |
| CHIRP | Yes |
| Down imaging | Yes |
| Side imaging | No |
| Live sonar ready | No |
| Transducer | GT20-TM |
| Navigation and build | |
| GPS | Yes |
| Maps | Preloaded |
| Phone pairing | Yes |
| Networking | No |
| Warranty | 2 years |
| Released | 2022-05-03 |
Alternatives in this size
Garmin Echomap UHD2 63sv
#3 in Up to 7 inFull review
A compact do everything chartplotter for kayaks and small boats that may add LiveScope later.
Amazon $849.99$849.99
Lowrance Eagle 5 SplitShot HD
#4 in Up to 7 inFull review
A low cost GPS combo with lake maps and down imaging for kayaks and small boats.
Amazon $303.68$303.68
Compare
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