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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 405X — residential: typical home lawns; 9-inch deck; battery (no fuel or engine maintenance)
  • Worx Landroid S 1/8 Acre — residential: typical home lawns; 7-inch deck; battery (no fuel or engine maintenance)
What’s different? The 5 differences that matter most, from the published figures.
  1. Automower 405X weighs 21 lbs (9.7 kg); Landroid S 1/8 Acre weighs 30 lbs (13.5 kg), a 8 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What Automower 405X's weight means for a trailer ›
  2. Automower 405X has a 8.7 in (220 mm) deck; Landroid S 1/8 Acre has a 7.1 in (180 mm) deck, a 1.6 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 ›
  3. Automower 405X is rated for slopes to 40%; Landroid S 1/8 Acre is rated for slopes to 30%, a 10 points difference. The slope rating is the maker's limit for safe operation, not a measure of performance.
  4. Automower 405X is rated for 0.15 acres (600 m²) of lawn; Landroid S 1/8 Acre is rated for 0.13 acres (506 m²) of lawn, a 0.02 acres difference. The rated lawn area is the maker's figure under its own test conditions. Obstacles, slopes and complex shapes reduce it.
  5. Automower 405X is rated at 62 dB; Landroid S 1/8 Acre is rated at 59 dB, a 3 dB difference.
what isn’t comparable

Not comparable

  • Voltage: not published for Automower 405X.
  • Run Time: not published for Landroid S 1/8 Acre.
  • Charge Time: not published for Landroid S 1/8 Acre.
  • Warranty: not published for Automower 405X.
  • Blades: not published for Automower 405X.
  • Fuel Type: not published for Automower 405X.
  • Cut height range: not published for Automower 405X.

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.

Add another (2 more fit): every robotic mower · more Husqvarna · more Worx
Side-by-side specifications: Husqvarna Automower 405X vs Worx Landroid S 1/8 Acre
Spec Automower 405X
Husqvarna · Robotic
Landroid S 1/8 Acre
Worx · Robotic
List price dealer quotedealer quote
Engine
Power Source battery battery
Fuel Type — Li-Ion
Electrical
Voltage — 20 V
Battery Capacity 2 Ah 2 Ah
Deck
Cutting Width 8.7 in (220 mm) 7.1 in (180 mm)
Min Cut Height — 1.2 in (30 mm)
Max Cut Height — 2.4 in (60 mm)
Blades — 3
Dimensions
Weight 21 lbs (9.7 kg) 30 lbs (13.5 kg)
Width 17.7 in (450 mm) 18.1 in (460 mm)
Length 24 in (610 mm) 24.6 in (626 mm)
Height 9.4 in (240 mm) 10.4 in (265 mm)
Robotic
Work Area 600 ft2 506 ft2
Max Slope 40 pct 30 pct
Boundary Physical wire —
Run Time 50 min —
Charge Time 60 min —
Noise Level 62 db 59 db
Rain Sensor — Yes
Theft Protection 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.

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