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Roborock RockMow Z120 LiDAR VS Roborock RockMow S108

Roborock RockMow Z120 LiDAR vs Roborock RockMow S108: compare price, lawn area, slope, battery, navigation and the practical verdict for your garden.

Quick verdictRoborock RockMow Z120 LiDAR

Roborock RockMow Z120 LiDAR leads with 10 winning criteria. The best choice is still the one that fits your area, slope and budget.

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Roborock RockMow Z120 LiDAR

RockMow Z120 LiDAR combines LiDAR, 4WD, 24 cm cutting width and advanced app features for around 2,000 m2.

Area0.49 acres (21,528 sq ft)
Slope80 %
Indicative price2 799 €
SourceNeeds tracking
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Roborock RockMow S108

RockMow S108 is a RockMow S1 variant built for around 800 m2, with Sentisphere navigation and AI-powered mapping.

Area0.20 acres (8,611 sq ft)
Slope45 %
Indicative price1 799 €
SourceStrong source
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Quick verdict

What really changes

Roborock RockMow Z120 LiDAR leads with 10 winning criteria. The best choice is still the one that fits your area, slope and budget.

Choose Roborock RockMow Z120 LiDAR if

  • Recommended area: 0.49 acres (21,528 sq ft)
  • Daily capacity: 2,000 m2
  • Max slope: 80 %
  • Cut width: 9.4 inches
  • Battery: 6 Ah / 129.6 Wh

Choose Roborock RockMow S108 if

  • Indicative price: 1 799 €
  • Weight: 29.5 lbs
  • Navigation: RTK + VSLAM + Vision

Differences to check first

  • Indicative price
  • Recommended area
  • Daily capacity
  • Max slope
  • Cut width

Decision table

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

CriterionRoborock RockMow Z120 LiDARRoborock RockMow S108
Indicative pricelower is better2 799 €1 799 €Advantage
Launch yearhigher is better2026Tie2026Tie
Recommended areahigher is better0.49 acres (21,528 sq ft)Advantage0.20 acres (8,611 sq ft)
Daily capacityhigher is better2,000 m2Advantage800 m2
Max slopehigher is better80 %Advantage45 %
Cut widthhigher is better9.4 inchesAdvantage8.7 inches
Cutting systemdocumented support6 cutting blades + floating cutting deck + optional 3 cm edge cutting3 cutting blades + floating cutting deck + optional 3 cm edge cutting
Batteryhigher is better6 Ah / 129.6 WhAdvantage4.6 Ah / 99.36 Wh
Charge timelower is better70 minAdvantage75 min
Runtimehigher is better140 minAdvantage130 min
Replaceable batteryhigher is betterNoTieNoTie
Weightlower is better47.0 lbs29.5 lbsAdvantage
Drivehigher is betterAll-wheel driveAdvantageRear-wheel drive
Navigationhigher is betterLiDARLiDARLaser distance sensing used for mapping and detection. + VisionRTKRTKHigh-precision satellite correction, usually with a base station or antenna. + VSLAMVSLAMCamera-based navigation that estimates position by rebuilding the scene. + VisionAdvantage
Wire-free setuphigher is betterYesTieYesTie
Obstacle avoidancehigher is betterSentisphereSentisphereRoborock's name for its multi-sensor garden navigation. LiDARLiDARLaser distance sensing used for mapping and detection. + Vision-LiDARLiDARLaser distance sensing used for mapping and detection. FusionAdvantageSentisphereSentisphereRoborock's name for its multi-sensor garden navigation. + Stereo Vision
4Ghigher is betterYesAdvantageOptional
Mowing modeshigher is betterZone + Multi-zone + Pattern + Custom pattern + Wildlife-friendly schedule + EdgeTieZone + Multi-zone + Pattern + Custom pattern + Wildlife-friendly schedule + EdgeTie
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 compatibleTieLift alert + Geofence alerts + PIN lock + Optional 4G tracking + Third-party tracker compatibleTie
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 supportYesTieYesTie
Edgeslower is better1.2 inchesTie1.2 inchesTie

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Choose Roborock RockMow Z120 LiDAR

Worth considering if you want a rugged Roborock mower without stepping up to the very large-lawn Z150.

Pick it if

  • Complex lawns
  • Steep slopes
  • Around 2,000 m2

Vigilance / Limits

  • Noise not published
  • Battery not user-replaceable
  • OTA features need checking

Choose Roborock RockMow S108

A useful wire-free option when your lawn fits its official area rating.

Pick it if

  • Medium lawns
  • Wire-free navigation
  • Lower budget

Vigilance / Limits

  • Rear-wheel drive
  • 4G/anti-theft optional

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.