Head to head
Segway Navimow X390 vs Sunseeker X7 Plus Gen 2
Price, coverage, slope, navigation, and drive for Segway Navimow X390 and Sunseeker X7 Plus Gen 2, side by side and cited.
- Store prices · checked 6 h agoVerified · checked 6 wk ago
2compared
10,118 m² (2.5 acres)largest lawn
Segway Navimow X390 (Navimow X390)·Sunseeker X7 Plus Gen 2 (Sunseeker X7 Plus Gen 2)
Your lawn
Set your lawn to see which of these fits it.
Drive
2-wheel drive
All-wheel drive
Obstacle avoidance
Navigation
Wire-free. RTK GNSS plus onboard AI vision, no perimeter wire.
Wire-free. RTK positioning from a dedicated antenna station (linked by LoRa radio, no 4G needed) fused with VSLAM 2.0 visual mapping, with binocular and iToF depth cameras for obstacles. All-wheel drive: three independently driven wheels with rear active steering.
Cutting
23.7 cm (9.3 in) cut, 50 to 100 mm (2.0 to 3.9 in) height, about 60 dB
35 cm (13.8 in) cut, 20 to 100 mm (0.8 to 3.9 in) height, about 60 dB
Rain
Weather-adaptive: pauses and returns to the dock in rain, snow, or frost (IP66)
Rain sensor (IPX5)
Anti-theft
GPS tracking, PIN code, lift/burglar alarm, and a geofence out-of-boundary alert
4G-GPS module included: location tracking, geofencing and boundary alerts
Connectivity
4G, WiFi, Bluetooth (5-year free 4G service)
Wi-Fi, Bluetooth and 4G; Alexa and Google Home; over-the-air updates
Released
2025
2026
A check marks the lower price, the higher score, the larger coverage, and the steeper slope. Our pick below is derived from those same specs; the right choice still depends on your lawn, your budget, and how you'll use it.
Our pick
Which to buy
Best buySunseeker X7 Plus Gen 2
For most lawns, the Sunseeker X7 Plus Gen 2 is the better buy at $3,299: it covers up to 6,070 m² (1.5 acres), about $1,200 less than the Segway Navimow X390. Step up to the Segway Navimow X390 only if your lawn is larger than 6,070 m² (1.5 acres).
From $3,299The bottom line
What actually differs
- Sunseeker X7 Plus Gen 2 has the lower price ($3,299).
- Segway Navimow X390 covers the most lawn (10,118 m² (2.5 acres)).
- Sunseeker X7 Plus Gen 2 handles the steepest slopes (up to 70%).
Go deeper
Open the full record
BestRobotMower.co is an independent informational comparison site, not a manufacturer or a retailer. Specifications and prices are curated from public sources and can change or be incomplete. Always confirm the current spec, price, and availability with the manufacturer or seller before buying. Coverage and slope figures are rated maximums on an open lawn; real performance depends on your yard.