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 450X NERA with wire free technology — residential: typical home lawns; 9-inch deck; battery (no fuel or engine maintenance)
- Husqvarna Automower 440 iQ — 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 450X NERA with wire free technology charges in 40 min; Automower 440 iQ charges in 54 min, a 14 min difference. Charge time is with the supplied charger; another charger changes it.
- Automower 450X NERA with wire free technology weighs 34 lbs (15.4 kg); Automower 440 iQ weighs 39 lbs (17.7 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 450X NERA with wire free technology's weight means for a trailer ›
- Automower 450X NERA with wire free technology is rated for slopes to 50%; Automower 440 iQ is rated for slopes to 45%, a 5 points difference. The slope rating is the maker's limit for safe operation, not a measure of performance.
- Automower 450X NERA with wire free technology is rated for 1.85 acres (7,500 m²) of lawn; Automower 440 iQ is rated for 2.00 acres (8,094 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 450X NERA with wire free technology runs 145 min per charge; Automower 440 iQ runs 138 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 450X NERA with wire free technology is rated at 58 dB; Automower 440 iQ is rated at 62 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 450X NERA with wire free technology Husqvarna · Robotic |
Automower 440 iQ Husqvarna · Robotic |
|---|---|---|
| List price | dealer quote | $4,300 |
| Engine | ||
| Power Source | battery | battery |
| Electrical | ||
| Battery Capacity | 7.5 Ah | 7.5 Ah |
| Deck | ||
| Cutting Width | 9.4 in (240 mm) | 9.4 in (239 mm) |
| Min Cut Height | — | 1 in (25 mm) |
| Max Cut Height | — | 4 in (102 mm) |
| Dimensions | ||
| Weight | 34 lbs (15.4 kg) | 39 lbs (17.7 kg) |
| Width | 21.3 in (540 mm) | 21.4 in (544 mm) |
| Length | 29.5 in (750 mm) | 29.6 in (752 mm) |
| Height | 11.8 in (300 mm) | 11.1 in (282 mm) |
| Robotic | ||
| Work Area | 7500 ft2 | 8094 ft2 |
| Max Slope | 50 pct | 45 pct |
| Boundary | Virtual wire, Physical wire | Virtual wire, Physical wire |
| Run Time | 145 min | 138 min |
| Charge Time | 40 min | 54 min |
| Noise Level | 58 db | 62 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.