---
title: "Segway Navimow X390 vs Sunseeker Elite X9: specs compared"
description: "Segway Navimow X390 and Sunseeker Elite X9 side by side, from the figures each maker claims."
canonical: "https://homerobotcompared.com/compare/segway-navimow-x390-vs-sunseeker-elite-x9"
updated: "2026-10-09"
data_snapshot: "2026-10-07"
---

# Segway Navimow X390 vs Sunseeker Elite X9

All figures are what the makers claim, collected 2026-10-07. We have not tested either robot.

| | 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 | **$4,999** (ahead) | $5,899 |
| List price per 100 m² of lawn | $50 | **$49** (ahead) |
| Noise | **60 dB** (ahead) | 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 |

## 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.

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Web page: https://homerobotcompared.com/compare/segway-navimow-x390-vs-sunseeker-elite-x9