Segway Navimow X390 vs Sunseeker Elite X9
Two robot lawn mowers side by side. All figures are what the makers claim (as of 2026-10-07), not test results. Where a number decides it, the better one is marked.
Specifications compared
| Figure | Segway Navimow X390 | Sunseeker Elite X9 |
|---|---|---|
| Lawn size it can handle | 107,639 sq ft (10,000 m²) | 130,685 sq ft (12,141 m²)Ahead |
| Slopes | Up to 50% | Up to 90%Ahead |
| List price | $4,999Ahead | $5,899 |
| List price per 100 m² of lawn | $50 | $49Ahead |
| Noise | 60 dBAhead | 66 dB |
| Guidance | Satellite and camera guidance | Satellite and camera guidance |
| Wire-free | Yes | Yes |
| Needs a base station on the lawn | No | No |
| Cutting width | 23.7 cm | 43 cm |
| Drive | RWD | AWD/4WD |
| Battery | 12.8 Ah | 42V 8Ah |
| Water protection | IP66 | IPX6 |
| Connectivity | Bluetooth;Wi-Fi;4G | Wi-Fi/Bluetooth/4G |
"Ahead" marks the better figure for lawn size, slope, price per lawn size, list price and noise. The list price is the maker's, not a store's.
Which one suits you
Choose the Segway Navimow X390 if
- Price matters most: the list price is $4,999 against $5,899.
- Quiet matters: 60 dB claimed against 66 dB.
Choose the Sunseeker Elite X9 if
- Your lawn is bigger: it is rated for 12,141 m² against 10,000 m².
- Your yard has steeper slopes: 90% claimed against 50%.
- You want faster mowing: a wider deck, 43 cm against 23.7 cm.
More: all comparisons, best-for lists, report a wrong figure.