Humminbird Helix 7 MEGA SI GPS G4
#5 in Up to 7 inFull review
For anglers who want the clearest imaging in a 7 in unit and will not add live sonar or network gear.
Amazon $649.98$649.98
3.4/5
For small and mid size boats that want maps, side imaging and a path to live sonar on one 7 in display.
- 7 inScreen
- CHIRP, Down, SideSonar
- YesGPS
- PreloadedMaps
Check price at Amazon$999.99
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Ultra high definition side and down imaging in one transducer
- Preloaded Navionics+ inland maps with GPS
- LiveScope ready and NMEA 2000 networked, so it grows with the boat
- Touchscreen with keyed backup
Cons
- Screen resolution is no better than the cheaper Striker Vivid 7sv
- LiveScope still needs a costly add on transducer and module
- Two year warranty is shorter than some rivals with registration extensions
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 | 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 (this one) | 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 | 010-02684-01 |
|---|---|
| Display | |
| Screen | 7 in |
| Resolution | 800 x 480 |
| Pixels per inch | 133 |
| Touchscreen | Yes |
| Sonar | |
| CHIRP | Yes |
| Down imaging | Yes |
| Side imaging | Yes |
| Live sonar ready | Yes |
| Transducer | GT54UHD-TM |
| Navigation and build | |
| GPS | Yes |
| Maps | Preloaded |
| Phone pairing | Yes |
| Networking | Yes |
| Warranty | 2 years |
| Released | 2023-01-11 |
Alternatives in this size
Lowrance Elite FS 7
#6 in Up to 7 inFull review
A compact networked touchscreen for small boats and kayaks that plan to add live sonar.
Amazon $969.99$969.99
Lowrance Eagle 7 TripleShot HD
#8 in Up to 7 inFull review
One of the cheapest ways to get side imaging with maps on a 7 in screen, for small boat anglers.
Amazon $599.99$599.99
Compare
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