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Comparison · 2 robots

Husqvarna Automower 450X NERA · Segway Navimow i105N

All robot lawn mowers. Every measure below is plotted against the full class, so a difference can be read against how much the class itself varies.

  1. Husqvarna Automower 450X NERA
  2. Segway Navimow i105N

Up to three

01 Classification

What each one does on its own.

The Autonomy Ladder is the same five rungs for every robot on the site. A rung describes the conditions a robot handles without you, not how good it is.

V
Generalized
Any task, any setting
IV
Environmental
Handles new obstacles without help
III
Conditional
Finishes familiar jobs on its own
Husqvarna Automower 450X NERASegway Navimow i105N
II
Assisted
Runs preset routines, needs rescue
I
Manual
One action, on command
02 Assessment

Where they actually differ.

The Robovations Score is nine inputs across three pillars, each weighted as shown and each scored so that more is better. A robot can lead on one and trail on another, which is the point of showing them apart. Cost of ownership and data handling are reported on each robot's own page and are never averaged into the score.

Capability

Task completion16% of score
Does it finish the job it is sold to do, unattended
  • Husqvarna Automower 450X NERA85
  • Segway Navimow i105N68
18median 72 across 429 scored robots100
Coverage and navigation10% of score
Does it work the whole area, and hold that between runs
  • Husqvarna Automower 450X NERA75
  • Segway Navimow i105N65
0median 70 across 417 scored robots100
Edge-case recovery10% of score
Does it recover from the failures its category presents
  • Husqvarna Automower 450X NERA70
  • Segway Navimow i105N52
18median 52 across 318 scored robots100
Operating envelope4% of score
How far conditions can vary before performance drops
  • Husqvarna Automower 450X NERA65
  • Segway Navimow i105N50
28median 68 across 393 scored robots100

Dependability

Field failure rate16% of score
Documented hardware failures per owner-year
  • Husqvarna Automower 450X NERA100
  • Segway Navimow i105N33
6median 70 across 355 scored robots100
Software stability14% of score
Whether updates fix more than they break
  • Husqvarna Automower 450X NERA100
  • Segway Navimow i105N65
15median 65 across 340 scored robots100
Support longevity10% of score
Committed parts, service and updates, with dates
  • Husqvarna Automower 450X NERA97
  • Segway Navimow i105N65
0median 62 across 425 scored robots100

Ownership burden

Routine maintenance12% of score
Hands-on time it asks for in normal operation
  • Husqvarna Automower 450X NERA75
  • Segway Navimow i105N70
22median 67 across 430 scored robots100
Consumables8% of score
Parts that must be bought to keep it working
  • Husqvarna Automower 450X NERA94
  • Segway Navimow i105N75
8median 69 across 430 scored robots100
03 Measured against the class

How far apart is a long way?

A number only means something next to the spread it sits in. Each track below is the real range across every classified robot in the class, with the median marked.

Runtime105 with a published figure
  • Husqvarna Automower 450X NERA145 min
  • Segway Navimow i105N60 min
30 minmedian 100 min240 min
Charge time106 with a published figure
  • Husqvarna Automower 450X NERA40 min
  • Segway Navimow i105N90 min
30 minmedian 90 min300 min
Noise104 with a published figure
  • Husqvarna Automower 450X NERA58 dB
  • Segway Navimow i105N58 dB
50 dBmedian 60 dB82 dB
Weight116 with a published figure
  • Husqvarna Automower 450X NERA33.1 lbs
  • Segway Navimow i105N24 lbs
13 lbsmedian 30 lbs134 lbs
Height117 with a published figure
  • Husqvarna Automower 450X NERA11 in
  • Segway Navimow i105N11.2 in
7.5 inmedian 11 in16.5 in

Not compared, because fewer than two of these robots carry a published figure: Price, Suction.

04 Ownership

What the numbers leave out.

The trade-off

What each design gives up to be good at what it is good at.

Husqvarna Automower 450X NERA

Satellite positioning eliminates boundary wire labor and expense, but accuracy depends on clear sky line-of-sight and degrades under dense canopy.

Large 5000m² capacity is what the premium pricing buys; smaller yards benefit from simpler and cheaper alternatives.

Autonomous seasonal scheduling reduces user oversight, but weather-triggered pauses and frost avoidance limit mowing frequency compared to operator control.

Segway Navimow i105N

Wire-free setup skips the trenching every boundary-wire mower requires, but it trades that convenience for RTK signal dependency that a buried wire never had to worry about.

Entry-tier coverage area: sized and priced for small, simple lots, not the acreage Segway markets its H-series line to handle.

Who each one is wrong for

Stated by the record itself. A robot being wrong for a household is a fact about fit, not a fault.

Husqvarna Automower 450X NERA
Small lawns under 2500m²
Conventional boundary-wire mowers and simpler robotic models offer lower acquisition cost and faster deployment for typical suburban properties.
Properties with dense tree canopy
Heavy overhead coverage degrades EPOS signal reliability, requiring fallback boundary wire or manual intervention that undermines autonomous operation benefits.
Budget-conscious buyers
Entry-level robotic mowers and manual alternatives provide significantly lower acquisition cost, though with higher operational effort.
Owners unable to accept seasonal operation windows
Frost detection and rain-triggered pauses limit mowing frequency during spring and autumn transition periods.
Rental properties or frequently changing landscapes
Perimeter remapping and recalibration overhead make this model inefficient for properties with frequent layout changes.
Segway Navimow i105N
Lawns over roughly half an acre
Coverage sits well below Segway's larger i-series and H-series models; oversized lots outrun a single charge cycle and the mapped area limit this entry model is built for.
Yards with grades beyond roughly 30%
The front-wheel-drive chassis with off-road traction control is documented for slopes up to 30%; Segway positions its AWD models for terrain beyond that.
Yards shaded by dense tree cover or tall buildings
RTK positioning depends on a clear sky view; heavy canopy or nearby structures are a documented condition that degrades satellite-based navigation accuracy.
Owners who specifically want a buried perimeter wire
There is no wired-boundary option on this line; the entire design point is wire-free RTK-and-camera navigation instead of a buried loop.
Overgrown or thick, fast-growing turf
Small pivoting blades and a frequent-mow design are built for regular upkeep, not for clearing tall or dense grass that has gone unmowed for weeks.

What stays your job

The upkeep ownership hands back to you, whatever the autonomy level says.

Husqvarna Automower 450X NERA
  • Weekly: Visual deck inspection for debris and grass buildup, estimated 5 minutes.
  • Monthly: Clean the wheels and check the drive wheel treads for wear, estimated 10 minutes.
  • Every 4-8 weeks: Blade replacement. Husqvarna states Automower blades are single-use and must never be sharpened, because sharpening weakens the safety coating and can lead to blade breakage. Replace the blades as a set together with their screws. Husqvarna sells Automower blades in multi-packs with screws included.
  • Annually: Seasonal check including boundary verification, plus a full charge, cleaning and indoor storage over winter.
  • As needed: Charging station cleaning and docking alignment verification.
  • Occasional: Wheel replacement as treads wear. Parts retailers list rear wheels at around EUR 35 and a front wheel kit at around EUR 47.
Segway Navimow i105N
  • Monthly: Wipe down the AI camera lens on the mower body to keep obstacle detection accurate.
  • Monthly: Check the underside for grass buildup and clear it away from the blade disc and wheels.
  • Every 3-6 months: Replace the pivoting cutting blades; more often on thick or fast-growing turf.
  • Seasonally: Clean the charging contacts on the dock and mower before spring startup.
  • Seasonally: Store the mower and RTK reference station indoors over winter per Segway’s cold-weather guidance.
  • As needed: Reposition or re-survey the RTK reference station if satellite accuracy drifts.
  • Annually: Check wheel motors and drive belts for wear before the new mowing season.
05 Evidence

How much each of these is standing on.

Classifications rest on different depths of evidence. A pre-release assessment and a verified one are not the same kind of claim.

Evidence behind each classification
Robot Evidence status Sources reviewed Last assessed
Husqvarna Automower 450X NERA Provisional 9 Sep 2026
Segway Navimow i105N Provisional Sep 2026

Robovations classifies robots; it does not rank them. Nothing on this page is a recommendation, and no manufacturer influences a classification or its placement here.