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.
- Husqvarna Automower 440 iQ — residential: typical home lawns; 9-inch deck; battery (no fuel or engine maintenance)
- Husqvarna Automower 450X NERA with wire free technology — 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.
- Automower 440 iQ charges in 54 min; Automower 450X NERA with wire free technology charges in 40 min, a 14 min difference. Charge time is with the supplied charger; another charger changes it.
- Automower 440 iQ weighs 39 lbs (17.7 kg); Automower 450X NERA with wire free technology weighs 34 lbs (15.4 kg), a 5 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What Automower 440 iQ's weight means for a trailer ›
- Automower 440 iQ is rated for slopes to 45%; Automower 450X NERA with wire free technology is rated for slopes to 50%, a 5 points difference. The slope rating is the maker's limit for safe operation, not a measure of performance.
- Automower 440 iQ is rated for 2.00 acres (8,094 m²) of lawn; Automower 450X NERA with wire free technology is rated for 1.85 acres (7,500 m²) of lawn, a 0.15 acres difference. The rated lawn area is the maker's figure under its own test conditions. Obstacles, slopes and complex shapes reduce it.
- Automower 440 iQ runs 138 min per charge; Automower 450X NERA with wire free technology runs 145 min per charge, a 7 min difference. Stated run time is under the maker's conditions. Thick or wet grass shortens it.
1 more difference, what isn’t comparable
Other verified differences
- Automower 440 iQ is rated at 62 dB; Automower 450X NERA with wire free technology is rated at 58 dB, a 4 dB difference.
Not comparable
- Cut height range: not published for Automower 450X NERA with wire free technology.
- Price: Automower 450X NERA with wire free technology is dealer quote only.
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 | Automower 440 iQ Husqvarna · Robotic |
Automower 450X NERA with wire free technology Husqvarna · Robotic |
|---|---|---|
| List price | $4,300 | dealer quote |
| Engine | ||
| Power Source | battery | battery |
| Electrical | ||
| Battery Capacity | 7.5 Ah | 7.5 Ah |
| Deck | ||
| Cutting Width | 9.4 in (239 mm) | 9.4 in (240 mm) |
| Min Cut Height | 1 in (25 mm) | — |
| Max Cut Height | 4 in (102 mm) | — |
| Dimensions | ||
| Weight | 39 lbs (17.7 kg) | 34 lbs (15.4 kg) |
| Width | 21.4 in (544 mm) | 21.3 in (540 mm) |
| Length | 29.6 in (752 mm) | 29.5 in (750 mm) |
| Height | 11.1 in (282 mm) | 11.8 in (300 mm) |
| Robotic | ||
| Work Area | 8094 ft2 | 7500 ft2 |
| Max Slope | 45 pct | 50 pct |
| Boundary | Virtual wire, Physical wire | Virtual wire, Physical wire |
| Run Time | 138 min | 145 min |
| Charge Time | 54 min | 40 min |
| Noise Level | 62 db | 58 db |
| Theft Protection | Yes | Yes |
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.