Choosing between these two marine electronics sonar navigation displays is less about feature lists and more about the condition you're willing to accept. One is a working, tested chartplotter display; the other is a cracked-screen head unit that doesn't power on and is sold for parts. If your goal is to get back on the water with a functioning screen, the decision is already clear. If you're shopping for a cheap parts unit, the lower-priced listing has a role-but you need to go in with eyes open.
Quick verdict
For a ready-to-use chartplotter, the Garmin GPSMAP 1242xsv Touch Chartplotter Marine GPS Display is the listing to choose. Its description says it was recently removed from service in good working condition, tested and fully functional, with a clear and bright screen, and it comes with a cover and power cable. The SIMRAD NSS7 EVO3 is a different kind of purchase: it is explicitly listed as for parts or not working, with a cracked screen, no power, and nonresponsive touchscreen and buttons. If you need navigation gear that works on day one, only the Garmin fits.
Price and condition at a glance
| Garmin GPSMAP 1242xsv | SIMRAD NSS7 EVO3 | |
|---|---|---|
| Listed price | USD 1,897.00 | USD 394.94 |
| Condition | Used | For parts or not working |
| Screen condition | Tested and fully functional; clear and bright | Cracked |
| Power status | Powers on and tested | Does not power on |
| Controls | Touchscreen working | Touchscreen and buttons nonresponsive |
| Items included | Cover and power cable | Not specified |
Where each product wins
Garmin GPSMAP 1242xsv wins when you need a working display. The listing states it was tested and is fully functional, with a clear and bright screen. It also includes a cover and power cable.
SIMRAD NSS7 EVO3 wins when you want a low-priced parts unit. The listed price is dramatically lower, but the description makes it clear this is not a working chartplotter. It's a cracked-screen, no-power unit that should be treated as parts.
Product notes
Garmin GPSMAP 1242xsv Touch Chartplotter Marine GPS Display
This is the listing to choose when you need a marine display that is ready to perform. The seller describes it as a used display recently removed from service in good working condition, still in great overall shape, and tested and fully functional with a clear and bright screen. The unit comes as you see it with cover and power cable, which is useful if you're replacing a display and want the necessary wiring and protection. The tradeoff is its price: it sits at the higher end of this two-listing comparison, far above the Simrad. That gap is really the cost of working status rather than a parts project. If you are installing a chartplotter and want it to function immediately, this is the one to prioritize.
SIMRAD NSS7 EVO3 Boat Chartplotter Fishfinder Sonar Radar GPS Head Unit Display
If you are looking for a low-priced Simrad NSS7 EVO3 head unit and you are prepared to buy it as a non-working unit, this listing puts every problem in plain sight. The screen is cracked, the unit may have been opened or have loose screws, it does not power on, and both the touchscreen and buttons are nonresponsive. The product title includes chartplotter, fishfinder, sonar, radar, and GPS functions, but with no power and a damaged screen, those features are not usable. The upside is the much lower listed price, which makes sense only if you are sourcing components rather than a complete working display. Assume this unit will not turn on and plan accordingly.
Final choice by use case
- You need a tested, working marine electronics sonar navigation display with a clear screen and the included cover and power cable: choose the Garmin GPSMAP 1242xsv Touch Chartplotter Marine GPS Display.
- You are intentionally shopping for a damaged Simrad NSS7 EVO3 head unit for parts and understand it will not power on: choose the SIMRAD NSS7 EVO3 Boat Chartplotter Fishfinder Sonar Radar GPS Head Unit Display.
