Compare Mowers
List prices are the manufacturer’s published figures, re-checked daily; they exclude tax, freight and dealer setup.
A side-by-side reference of each model's stated specifications. MowerFacts doesn’t give opinions: where a published, spec-derived rule can separate machines we mark a Data Pick and show the rule; here, read the values and decide what fits your needs.
Best suited for
What each model is built for, from its duty class and key specs. This is a neutral reference — MowerFacts does not rank one model above another.
- Segway Navimow Navimow X450 — residential: typical home lawns; 17-inch deck; battery (no fuel or engine maintenance)
- Husqvarna Automower 450X NERA — residential: typical home lawns; 9-inch deck; battery (no fuel or engine maintenance)
What’s different? The 5 differences that matter most, from the published figures.
- Navimow X450 has a 16.9 in (430 mm) deck; Automower 450X NERA has a 9.4 in (240 mm) deck, a 7.5 in difference. Deck width sets how much grass each pass covers. Mowing time also depends on ground speed, turns and obstacles, so a wider deck alone does not fix the job's length. Time both decks on your own lawn ›
- Navimow X450 weighs 64 lbs (29.2 kg); Automower 450X NERA weighs 33 lbs (15 kg), a 31 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What Navimow X450's weight means for a trailer ›
- Navimow X450 ships with a 15 Ah battery; Automower 450X NERA ships with a 7.5 Ah battery, a 7.5 Ah difference. Amp-hours is stored energy at the pack's voltage. Run time also depends on load, so a bigger pack lasts longer under the same conditions, not a fixed time.
- Navimow X450 is rated for slopes to 84%; Automower 450X NERA is rated for slopes to 50%, a 34 points difference. The slope rating is the maker's limit for safe operation, not a measure of performance.
- Navimow X450 charges in 100 min; Automower 450X NERA charges in 40 min, a 60 min difference. Charge time is with the supplied charger; another charger changes it.
2 more differences, what isn’t comparable
Other verified differences
- Navimow X450 runs 130 min per charge; Automower 450X NERA runs 145 min per charge, a 15 min difference.
- Navimow X450 is rated at 68 dB; Automower 450X NERA is rated at 58 dB, a 10 dB difference.
Not comparable
- Warranty: not published for Automower 450X NERA.
- Blades: not published for Automower 450X NERA.
- Cut height range: not published for Automower 450X NERA.
Verified means each manufacturer publishes the figure. A bigger number is only a bigger number; nothing here says which machine is better. The full specification table is below.
Which is faster on your property? › Measure your lawn once and MowerFacts times all 2 against it.
| Spec | Navimow X450 Segway Navimow · Robotic |
Automower 450X NERA Husqvarna · Robotic |
|---|---|---|
| List price | dealer quote | dealer quote |
| Engine | ||
| Power Source | battery | battery |
| Electrical | ||
| Battery Capacity | 15 Ah | 7.5 Ah |
| Deck | ||
| Cutting Width | 16.9 in (430 mm) | 9.4 in (240 mm) |
| Min Cut Height | 0.8 in (20 mm) | — |
| Max Cut Height | 3.7 in (95 mm) | — |
| Blades | 12 | — |
| Drive | ||
| Drive Type | 4WD with dual independent steering motors | — |
| Dimensions | ||
| Weight | 64 lbs (29.2 kg) | 33 lbs (15 kg) |
| Width | — | 21.3 in (540 mm) |
| Length | — | 29.5 in (750 mm) |
| Height | — | 11 in (280 mm) |
| Robotic | ||
| Work Area | 5000 ft2 | 5000 ft2 |
| Max Slope | 84 pct | 50 pct |
| Navigation | EFLS™ NRTK (NRTK + 360° Vision + VIO) | — |
| Boundary | Wire-free | Physical wire |
| Run Time | 130 min | 145 min |
| Charge Time | 100 min | 40 min |
| Noise Level | 68 db | 58 db |
| Rain Sensor | Yes | — |
| Theft Protection | Yes | Yes |
| General | ||
| Warranty | 3 yr | — |
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.