Skip to content
Robovations
Robovations™
Robot Autonomy, Classified
Saved

ComparisonHusqvarna Automower 320 NERA and Roborock RockMow X120H LiDAR

Up to three

All robot lawn mowers. Every figure below is placed against the whole class, so a gap can be read against how much the class itself varies.

Where each one suits you.

The conditions each robot was assessed against, side by side. Rows marked in gold are where these machines genuinely differ.

Fit verdicts by condition for each robot
Condition Automower 320 NERA RockMow X120H LiDAR
Yard size
Under ¼ acre GoodRuntime caps at 70 minutes; under-quarter properties may require reduced cutting height or edge trimming separately. GoodRoborock rates it for up to 0.49 acre per day, well above a sub-quarter-acre lawn.
¼ – ½ acrethey differ GoodEPOS positioning scales efficiently within 0.25–0.5 acre range. Typical cutting cycles complete in single runtime window. DependsRoborock rates it for 0.49 acre per day, but no independent test confirms coverage at that size.
Over ½ acrethey differ DependsProperties over 0.5 acres require multiple daily sessions or scheduled multi-hour mowing windows for full coverage. PoorIts 0.49 acre per day rating falls short of lawns larger than half an acre.
Terrain
Mostly flat GoodOptimal for EPOS performance. Flat terrain maintains consistent satellite signal and maximizes traction control. GoodAll-wheel drive with active steering and suspension is built for far rougher ground than a flat lawn.
Gentle slopesthey differ GoodRated to 35-degree slopes. Moderate terrain up to 20 degrees shows reliable operation per owner reports. DependsRoborock rates it for 80% slopes and 3.15 in obstacles, but no independent terrain test was found.
Steep / hilly DependsManufacturer spec to 35 degrees but traction loss documented on wet slopes above 20 degrees. Seasonal drainage affects performance. DependsThe 80% slope rating comes from Roborock alone; no independent source has tested it on steep grass.
Grass type
Typical lawn grass GoodTypical lawn grasses (fescue, bluegrass, ryegrass) show standard blade wear and mowing efficiency. GoodA 1.6 to 3.5 inch cutting height and 9.5 inch width cover typical residential lawn heights.
Mixed / tall growth DependsTall fescue or native grass may require more frequent passes. Initial overgrown lots need manual cutting before deployment. DependsCutting height tops out at 3.5 inches, so grass kept taller than that cannot be matched.
Thick (Bermuda / Zoysia) DependsThick sod or dense clover increases blade wear and firmware recalibration needs due to slower mowing cycles. DependsRoborock claims its six-blade system handles thick grass, but no independent dense-turf test was found.
Boundary setup
Wireless required GoodEPOS virtual boundaries are the primary feature. Wireless enforcement avoids wire installation entirely. GoodIt maps and bounds the lawn with LiDAR and cameras, with no wire and no RTK antenna.
Wire required PoorEPOS does not support traditional boundary wire. Physical wire operation not possible with this model. PoorIt has no perimeter-wire mode; boundaries come from its LiDAR and camera map.
No preference GoodEPOS virtual boundaries available exclusively. No wire fallback option if GNSS signal is lost. GoodWith no boundary preference, its wire-free LiDAR mapping covers the lawn without burying any wire.

A robot being poor for a condition is a fact about fit, not a fault. “Depends” means the record names a limit worth reading, not that the answer is unknown.

Keep going.

The full recordHusqvarna Automower 320 NERASpecifications, evidence, the Fit Check in full, and every tracked change.The full recordRoborock RockMow X120H LiDARSpecifications, evidence, the Fit Check in full, and every tracked change.

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.