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Roborock RockMow S108 VS Roborock RockMow S115

Roborock RockMow S108 vs Roborock RockMow S115: compare price, lawn area, slope, battery, navigation and the practical verdict for your garden.

Quick verdictRoborock RockMow S115

Roborock RockMow S115 leads with 5 winning criteria. The best choice is still the one that fits your area, slope and budget.

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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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Roborock RockMow S115

RockMow S115 is a RockMow S1 variant built for around 1,500 m2, with Sentisphere navigation and AI-powered mapping.

Area0.37 acres (16,146 sq ft)
Slope45 %
Indicative price1 999 €
SourceStrong source
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Quick verdict

What really changes

Roborock RockMow S115 leads with 5 winning criteria. The best choice is still the one that fits your area, slope and budget.

Choose Roborock RockMow S108 if

  • Indicative price: 1 799 €
  • Weight: 29.5 lbs

Choose Roborock RockMow S115 if

  • Recommended area: 0.37 acres (16,146 sq ft)
  • Daily capacity: 1,500 m2
  • Battery: 6 Ah / 129.6 Wh
  • Charge time: 65 min
  • Runtime: 150 min

Differences to check first

  • Indicative price
  • Recommended area
  • Daily capacity
  • Battery
  • Charge time

Decision table

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

CriterionRoborock RockMow S108Roborock RockMow S115
Indicative pricelower is better1 799 €Advantage1 999 €
Launch yearhigher is better2026Tie2026Tie
Recommended areahigher is better0.20 acres (8,611 sq ft)0.37 acres (16,146 sq ft)Advantage
Daily capacityhigher is better800 m21,500 m2Advantage
Max slopehigher is better45 %Tie45 %Tie
Cut widthhigher is better8.7 inchesTie8.7 inchesTie
Cutting systemdocumented support3 cutting blades + floating cutting deck + optional 3 cm edge cutting3 cutting blades + floating cutting deck + optional 3 cm edge cutting
Batteryhigher is better4.6 Ah / 99.36 Wh6 Ah / 129.6 WhAdvantage
Charge timelower is better75 min65 minAdvantage
Runtimehigher is better130 min150 minAdvantage
Replaceable batteryhigher is betterNoTieNoTie
Weightlower is better29.5 lbsAdvantage30.0 lbs
Drivehigher is betterRear-wheel driveTieRear-wheel driveTie
Navigationhigher is betterRTKRTKHigh-precision satellite correction, usually with a base station or antenna. + VSLAMVSLAMCamera-based navigation that estimates position by rebuilding the scene. + VisionTieRTKRTKHigh-precision satellite correction, usually with a base station or antenna. + 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. + Stereo VisionTieSentisphereSentisphereRoborock's name for its multi-sensor garden navigation. + Stereo VisionTie
4Ghigher is betterOptionalTieOptionalTie
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 + Optional 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 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

Choose Roborock RockMow S115

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.