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Roborock RockMow Z115 VS Roborock RockMow X120H LiDAR AWD

Roborock RockMow Z115 vs Roborock RockMow X120H LiDAR AWD: compare price, lawn area, slope, battery, navigation and the practical verdict for your garden.

Quick verdictRoborock RockMow Z115

Roborock RockMow Z115 leads with 3 winning criteria. The best choice is still the one that fits your area, slope and budget.

Roborock RockMow Z115

Roborock RockMow Z115

RockMow Z115 is a RockMow Z1 variant built for around 1,500 m2, with Sentisphere navigation and AI-powered mapping.

Area0.37 acres (16,146 sq ft)
Slope80 %
Indicative price2 499 €
SourceStrong source
Roborock RockMow X120H LiDAR AWD

Roborock RockMow X120H LiDAR AWD

The US version of Roborock's rugged platform: 3D LiDAR with no RTK and no satellites, AWD, 80% slope, about 0.49 acre.

Area0.49 acres (21,528 sq ft)
Slope80 %
Indicative price2 999 €
SourcePartial specs
VS
Quick Buyer's Guide

Deciding between the Roborock RockMow Z115 and Roborock RockMow X120H LiDAR AWD? Here is the right fit for your lawn.

Roborock RockMow Z115

1,500 m² max
Key strength : All-wheel drive (AWD) for steep slopes and uneven turf
Ideal for your lawn if : Choose the RockMow Z115 if your lawn measures up to 1,500 m² with slopes up to 80%.

Roborock RockMow X120H LiDAR AWD

2,000 m² max
Key strength : All-wheel drive (AWD) for steep slopes and uneven turf
Ideal for your lawn if : Choose the RockMow X120H LiDAR AWD if your lawn measures up to 2,000 m² with slopes up to 80%.
⚖️ Deciding bottom line

With a €500 price gap, the Roborock RockMow Z115 delivers the higher performance-to-budget ratio unless your specific lawn requires the pricier feature set.

Quick verdict

What really changes

Roborock RockMow Z115 leads with 3 winning criteria. The best choice is still the one that fits your area, slope and budget.

SpecsLib Decisional Analysis

On price, the Roborock RockMow Z115 is €500 cheaper than the Roborock RockMow X120H LiDAR AWD. On area, the Roborock RockMow X120H LiDAR AWD covers 2,000 m² vs 1,500 m² for the Roborock RockMow Z115: a meaningful gap if your lawn exceeds 1,500 m².

Choose Roborock RockMow Z115 if

  • Indicative price: 2 499 €
  • Mowing modes: Zone + Multi-zone + Pattern + Custom pattern + Wildlife-friendly schedule + Edge
  • Anti-theft: Lift alert + Geofence alerts + PIN lock + 4G tracking + Third-party tracker compatible

Choose Roborock RockMow X120H LiDAR AWD if

  • Recommended area: 0.49 acres (21,528 sq ft)
  • Obstacle avoidance: 360° 3D LiDAR + AI Vision (no RTK, no base station)

Differences to check first

  • Indicative price
  • Recommended area
  • Obstacle avoidance
  • Mowing modes
  • Anti-theft

Decision table

Each row highlights the stronger profile when the data is decisive.

CriterionRoborock RockMow Z115Roborock RockMow X120H LiDAR AWD
Indicative pricelower is better2 499 €Advantage2 999 €
Launch yearhigher is better2026Tie2026Tie
Recommended areahigher is better0.37 acres (16,146 sq ft)0.49 acres (21,528 sq ft)Advantage
Daily capacityhigher is betterTo confirm2,000 m2
Max slopehigher is better80 %Tie80 %Tie
Cut widthhigher is better9.4 inchesTie9.4 inchesTie
Cutting systemdocumented support6 cutting blades + floating cutting deckCutting systemBlade or deck type used to cut the grass. + optional 3 cm edge cuttingEdge cuttingHow close to a wall or an edge the mower cuts, measured in centimetres of grass left.6 cutting blades + floating cutting deckCutting systemBlade or deck type used to cut the grass. + 3 cm edge cuttingEdge cuttingHow close to a wall or an edge the mower cuts, measured in centimetres of grass left.
Batterydocumented support6 Ah / 129.6 WhTo confirm
Charge timelower is better60 minTo confirm
Runtimehigher is better120 minTo confirm
Replaceable batteryhigher is betterNoTo confirm
Weightlower is better46.7 lbsTo confirm
Drivehigher is betterAll-wheel driveAWD (all-wheel drive)Every wheel drives (usually four, occasionally three depending on the model), which helps on slopes, soft ground and wet grass.TieAll-wheel driveAWD (all-wheel drive)Every wheel drives (usually four, occasionally three depending on the model), which helps on slopes, soft ground and wet grass.Tie
Navigationhigher is betterRTKRTKHigh-precision satellite correction, usually with a base station or antenna. + VSLAMVSLAMCamera-based navigation that estimates position by rebuilding the scene. + VisionTieLiDARLiDARLaser distance sensing used for mapping and detection. + VSLAMVSLAMCamera-based navigation that estimates position by rebuilding the scene. + VisionTie
Wire-free setuphigher is betterYesTieYesTie
Obstacle avoidancehigher is betterSentisphereSentisphereRoborock's name for its multi-sensor garden navigation. + Quad Vision360° 3D LiDARLiDARLaser distance sensing used for mapping and detection. + AI VisionAI VisionAI camera system for object avoidance and navigation support. (no RTKRTKHigh-precision satellite correction, usually with a base station or antenna., no base station)Advantage
4Ghigher is betterYesTieYesTie
Mowing modeshigher is betterZone + Multi-zone + Pattern + Custom pattern + Wildlife-friendly schedule + EdgeAdvantageZone + Multi-zone + Pattern + Custom pattern + Edge
Remote camerahigher is betterNoTieNoTie
Patrolhigher is betterNoTieNoTie
Human detectionhigher is betterYesTieYesTie
Two-way audiohigher is betterNoTieNoTie
Anti-thefthigher is betterLift alert + Geofence alerts + PIN lock + 4G tracking + Third-party tracker compatibleAdvantagePIN lock + 4G tracking
Tool-free bladeshigher is betterNoTieNoTie
Water protectionhigher is betterIPX6IPX ratingWater-resistance rating, not a blanket immersion guarantee.TieIPX6IPX ratingWater-resistance rating, not a blanket immersion guarantee.Tie
Zonesdocumented supportYesYes
Edgeslower is better1.2 inchesTie1.2 inchesTie

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Choose Roborock RockMow Z115

The variant to pick when slope and lawns of about 1,500 m2 come first, with 6 Ah to get through the session.

Pick it if

  • Complex lawns
  • Steep slopes
  • Longer runtime

Vigilance / Limits

  • Premium pricing
  • Country availability

Choose Roborock RockMow X120H LiDAR AWD

The logical US pick if your lawn is tree-covered or steep and you want neither an RTK antenna nor a boundary wire.

Pick it if

  • Tree-covered lawns with poor satellite reception
  • Steep slopes
  • Around 0.49 acre

Vigilance / Limits

  • Battery and runtime not published
  • Sold in the US only
  • Amazon exclusive

Quick read

This comparison turns spec sheets into a practical decision: real lawn size, slope, budget, navigation and installation constraints. Rows without usable data are removed to keep the read clean.