Husqvarna Automower 420 iQ vs Segway Navimow X330

Last updated: October 21, 2026

The Segway Navimow X330 is the better robot lawn mower overall, rated 3.8 to 3.4. The Segway Navimow X330 leads on value, navigation and slopes. The Husqvarna Automower 420 iQ wins on warranty and noise. The Segway Navimow X330 costs $1,000.99 less ($2,299 vs $3,299.99).

Husqvarna Automower 420 iQ vs Segway Navimow X330

Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every 1 acre and up robot lawn mower; a clear win is highlighted. How we rank explains each one.

Factor weightSegway Navimow X330Husqvarna Automower 420 iQ
Overall rating3.8/53.4/5
Value 30%61 $2,300 per rated acre25 $3,300 per rated acre
Navigation 20%80 RTK + vision, no boundary wire60 RTK, no boundary wire
Slopes 20%45 50% (27°) slopes36 45% (24°) slopes
Features 15%86 6 of 7; no rain sensor86 6 of 7; no rain sensor
Warranty 10%67 3-year warranty100 4-year warranty
Noise 5%67 60 dB(A) rated100 55 dB(A) rated

Specifications

Segway Navimow X330Husqvarna Automower 420 iQ
Coverage
Lawn size (rated)1 acre (43,600 sq ft)1 acre (43,600 sq ft)
Max slope50% (27°)45% (24°)
All-wheel driveNoNo
Run time per charge2 h 40 min1 h 24 min
Charge time1 h 5 min54 min
Battery173 Wh, 21.6 V 8 Ah18 V 5 Ah
Navigation
NavigationRTK + visionRTK
Boundary wire neededNoNo
RTK stationIncludedIncluded
Obstacle avoidance300° RGB + ToF cameras, 200+ obstacle types, bumperRadar
Multiple zonesYesYes
No-go zonesYesYes
Cutting
Cutting width9.3 in (237 mm)9.4 in (240 mm)
Cutting height2–4 in (50–100 mm)1–4 in (25–100 mm)
Height adjustmentIn the appIn the app
Blades6 blades on an anti-clogging cutting disc3 pivoting razor blades on a disc
Edge mowingOptional Trimmer accessory (sold separately) for semi-automatic edge trimming-
Smart features
ConnectivityWi-Fi, Bluetooth, 4G (2 years of 4G included)Wi-Fi, Bluetooth, 4G
Rain sensorNoNo
Anti-theft-GPS theft tracking, GeoFence, PIN code, alarm, lift and tilt sensors
Build
Noise (rated)60 dB(A)55 dB(A)
Water resistanceIP66IPX5
Weight43.7 lb (19.8 kg)38 lb (18.6 kg)
Warranty3 years4 years
Released2025-042025