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2026 comparison
Updated Jan 16, 2026
|Sources: Amazon, ManufacturerDreame L20 Ultra Robot Vacuum and Mop vs Roborock Qrevo S
If you are torn between Dreame L20 Ultra Robot Vacuum and Mop and Roborock Qrevo S, this breakdown is for you. We compare specs, pros, and cons so you can decide confidently.
Ratings: 3.8★ vs 4.4★
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Dreame L20 Ultra Robot Vacuum and Mop
★3.8
(454)•Amazon
Navigation:Pathfinder™ Smart Navigation (LiDAR + AI Action + 3D Structured Light for precise route planning).
Mapping:3D Mapping (Fast mapping, Matrix Map, Multi-level mapping up to 4 floors).
Obstacle Avoidance:AI Action + 3D Structured Light (Identifies 55+ obstacle types; LED fill lights for dark areas).
Suction Pa:7,000 Pa (Vormax™ Suction System)
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Roborock Qrevo S
★4.4
(2,037)•Amazon
Navigation:PreciSense® LiDAR Navigation with 3D Mapping and quick map creation.
Mapping:Yes (Multi-level mapping up to 4 floors; Matrix and 3D map viewing).
Obstacle Avoidance:Reactive Tech Obstacle Avoidance (Structured Light technology; avoids hazards without cameras).
Suction Pa:7000Pa (Max+ Mode)
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Comparison: Dreame L20 Ultra Robot Vacuum and Mop vs Roborock Qrevo S
Dreame L20 Ultra Robot Vacuum and Mop
★3.8(454)Amazon
Roborock Qrevo S
★4.4(2,037)Amazon
| Criterion | Dreame L20 Ultra Robot Vacuum and Mop | Roborock Qrevo S |
|---|---|---|
| Rating | ★3.8(454)Amazon | ★4.4(2,037)Amazon |
Navigation | Pathfinder™ Smart Navigation (LiDAR + AI Action + 3D Structured Light for precise route planning). | PreciSense® LiDAR Navigation with 3D Mapping and quick map creation. |
Mapping | 3D Mapping (Fast mapping, Matrix Map, Multi-level mapping up to 4 floors). | Yes (Multi-level mapping up to 4 floors; Matrix and 3D map viewing). |
Obstacle Avoidance | AI Action + 3D Structured Light (Identifies 55+ obstacle types; LED fill lights for dark areas). | Reactive Tech Obstacle Avoidance (Structured Light technology; avoids hazards without cameras). |
Suction Pa | 7,000 Pa (Vormax™ Suction System) | 7000Pa (Max+ Mode) |
Brush System | Liftable Rubber Brush (Bristleless design to minimize hair tangles) + Side brush. | All-Rubber Main Brush (Floating design to resist hair tangles) + side brush. |
Mopping | DuoScrub™ Mopping System (Dual rotary mops) with MopExtend™ (Extends mop pad to within 2mm of edges). | Dual Spinning Mops (200 RPM, consistent downward pressure, 30 water flow levels). |
Mop Lift | 0.41" (10.5 mm) Automatic Lift + Magnetic Mop Detachment (Automatically leaves mops in dock for high-pile carpets). | 0.39" (10 mm) Auto Mop Lifting |
Carpet Boost | Yes (Ultrasonic carpet detection; Auto-lift or Mop Detach modes). | Yes (Carpet Boost+ system; double cleaning on carpets supported). |
Battery | 14.4V / 6,400 mAh Lithium-ion (Fast Charging supported) | Lithium-ion (5200 mAh) |
Runtime | Up to 260 min (Quiet Mode, Vacuum only or Mop only) | Up to 180 min (Quiet Mode) |
Charging Time | Approx. 4.5 hours (30% faster charging technology) | Approx. 4 hours (Supports Off-Peak Charging) |
Dustbin | 0.08 gal (300 mL) — Internal bin | Robot: 330 mL; Dock Bag: 2.7 L (approx. 7 weeks without emptying). |
Water Tank | 0.02 gal (80 mL) — Internal tank (Auto-refilled by dock) | Robot: 80 mL (Electronic); Dock Clean Tank: 1.06 gal (4 L); Dock Dirty Tank: ~0.9 gal (3.5 L). |
Auto Empty | Yes | Yes (Auto-Dust Emptying) |
Dock Type | Fully Automatic Base Station (Empties debris, washes mops, dries mops, refills water, adds solution). Tanks: 4.5L Clean / 4.0L Dirty / 3.2L Dust Bag. Dims: 23.8" x 16.7" x 19.6". | Multifunctional Dock (Washes Mops, Dries Mops, Empties Dust, Refills Tank) |
Mop Wash | Yes (Automatic mop washing with detergent dosing) | Yes (Auto Mop Washing with adjustable duration/frequency). |
Mop Dry | Yes (Warm air drying) | Yes (Warm Air Drying at 113°F/45°C). |
Filtration | E12 Rated Filter | E11 Rated Air Filter (Washable) |
Noise Level | Lowest 63 dB (A) | Robot: approx. 63 dB (Balanced); Dock Drying: 45 dB. |
App Features | Dreamehome App (CleanGenius™, MopExtend settings, AI obstacle photos, Remote Video Control, Multi-floor maps). | Roborock App: SmartPlan™ (AI generated cleaning), Custom Schedules, Pin n Go, No-Go Zones, Apple Watch support. |
Voice Assistants | Amazon Alexa, Google Assistant, Apple Siri Shortcuts. | Alexa, Google Assistant, Siri Shortcuts |
Multi Floor | Yes (Up to 4 map levels). | Yes (Automatic floor recognition) |
Threshold Climb | 0.79" (20 mm) | 0.79" (2 cm) |
Height | 4.09" (103.8 mm) | 3.80" |
Dimensions | 13.78" (L) x 13.78" (W) x 4.09" (H) | 13.9" (L) x 13.8" (W) x 3.8" (H) |
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Dreame L20 Ultra Robot Vacuum and Mop
Rating:★3.8(454)Amazon
Navigation:Pathfinder™ Smart Navigation (LiDAR + AI Action + 3D Structured Light for precise route planning).
Mapping:3D Mapping (Fast mapping, Matrix Map, Multi-level mapping up to 4 floors).
Obstacle Avoidance:AI Action + 3D Structured Light (Identifies 55+ obstacle types; LED fill lights for dark areas).
Suction Pa:7,000 Pa (Vormax™ Suction System)
Brush System:Liftable Rubber Brush (Bristleless design to minimize hair tangles) + Side brush.
Mopping:DuoScrub™ Mopping System (Dual rotary mops) with MopExtend™ (Extends mop pad to within 2mm of edges).
Mop Lift:0.41" (10.5 mm) Automatic Lift + Magnetic Mop Detachment (Automatically leaves mops in dock for high-pile carpets).
Carpet Boost:Yes (Ultrasonic carpet detection; Auto-lift or Mop Detach modes).
Battery:14.4V / 6,400 mAh Lithium-ion (Fast Charging supported)
Runtime:Up to 260 min (Quiet Mode, Vacuum only or Mop only)
Charging Time:Approx. 4.5 hours (30% faster charging technology)
Dustbin:0.08 gal (300 mL) — Internal bin
Water Tank:0.02 gal (80 mL) — Internal tank (Auto-refilled by dock)
Auto Empty:Yes
Dock Type:Fully Automatic Base Station (Empties debris, washes mops, dries mops, refills water, adds solution). Tanks: 4.5L Clean / 4.0L Dirty / 3.2L Dust Bag. Dims: 23.8" x 16.7" x 19.6".
Mop Wash:Yes (Automatic mop washing with detergent dosing)
Mop Dry:Yes (Warm air drying)
Filtration:E12 Rated Filter
Noise Level:Lowest 63 dB (A)
App Features:Dreamehome App (CleanGenius™, MopExtend settings, AI obstacle photos, Remote Video Control, Multi-floor maps).
Voice Assistants:Amazon Alexa, Google Assistant, Apple Siri Shortcuts.
Multi Floor:Yes (Up to 4 map levels).
Threshold Climb:0.79" (20 mm)
Height:4.09" (103.8 mm)
Dimensions:13.78" (L) x 13.78" (W) x 4.09" (H)
✓ Pros:
- • MopExtend™ technology physically extends the mop pad to clean edges and corners effectively
- • Magnetic Mop Detachment allows the robot to leave mop pads in the dock to keep high-pile carpets 100% dry
- • Massive 6,400 mAh battery offers extended runtime for large homes
- • High 7,000 Pa suction power (Vormax™) handles carpets exceptionally well
- • Base station is truly all-in-one, including automatic detergent dispensing
✗ Cons:
- • Base station is physically very large and requires significant floor space
- • Robot height (4.09") is taller than average, potentially limiting access under low furniture
- • Internal dustbin (300 mL) is smaller than competitors, relying heavily on auto-empty
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Roborock Qrevo S
Rating:★4.4(2,037)Amazon
Navigation:PreciSense® LiDAR Navigation with 3D Mapping and quick map creation.
Mapping:Yes (Multi-level mapping up to 4 floors; Matrix and 3D map viewing).
Obstacle Avoidance:Reactive Tech Obstacle Avoidance (Structured Light technology; avoids hazards without cameras).
Suction Pa:7000Pa (Max+ Mode)
Brush System:All-Rubber Main Brush (Floating design to resist hair tangles) + side brush.
Mopping:Dual Spinning Mops (200 RPM, consistent downward pressure, 30 water flow levels).
Mop Lift:0.39" (10 mm) Auto Mop Lifting
Carpet Boost:Yes (Carpet Boost+ system; double cleaning on carpets supported).
Battery:Lithium-ion (5200 mAh)
Runtime:Up to 180 min (Quiet Mode)
Charging Time:Approx. 4 hours (Supports Off-Peak Charging)
Dustbin:Robot: 330 mL; Dock Bag: 2.7 L (approx. 7 weeks without emptying).
Water Tank:Robot: 80 mL (Electronic); Dock Clean Tank: 1.06 gal (4 L); Dock Dirty Tank: ~0.9 gal (3.5 L).
Auto Empty:Yes (Auto-Dust Emptying)
Dock Type:Multifunctional Dock (Washes Mops, Dries Mops, Empties Dust, Refills Tank)
Mop Wash:Yes (Auto Mop Washing with adjustable duration/frequency).
Mop Dry:Yes (Warm Air Drying at 113°F/45°C).
Filtration:E11 Rated Air Filter (Washable)
Noise Level:Robot: approx. 63 dB (Balanced); Dock Drying: 45 dB.
App Features:Roborock App: SmartPlan™ (AI generated cleaning), Custom Schedules, Pin n Go, No-Go Zones, Apple Watch support.
Voice Assistants:Alexa, Google Assistant, Siri Shortcuts
Multi Floor:Yes (Automatic floor recognition)
Threshold Climb:0.79" (2 cm)
Height:3.80"
Dimensions:13.9" (L) x 13.8" (W) x 3.8" (H)
✓ Pros:
- • High-end 7000Pa suction combined with effective dual spinning mops
- • All-in-one dock handles emptying, refilling, washing, and drying
- • 10mm mop lift is higher than many competitors, keeping carpets dry
- • Reactive Tech provides reliable navigation without the privacy concerns of RGB cameras
✗ Cons:
- • Smaller onboard water tank (80ml) requires frequent dock trips for refilling
- • Lacks the built-in detergent dispenser found in the higher-end Master/Ultra series
- • Object avoidance is structured light, not the advanced AI camera found on MaxV models
- • Main rubber brush has floating axles but is not the dual-roller DuoRoller™ system
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Which one is better?
Based on ratings and feature balance, Roborock Qrevo S has a slight edge for overall satisfaction. Dreame L20 Ultra Robot Vacuum and Mop remains a strong alternative if its strengths match your needs.
Who should buy each?
Dreame L20 Ultra Robot Vacuum and Mop excels at: MopExtend™ technology physically extends the mop pad to clean edges and corners effectively, Magnetic Mop Detachment allows the robot to leave mop pads in the dock to keep high-pile carpets 100% dry
Watch for: Base station is physically very large and requires significant floor space
Roborock Qrevo S excels at: High-end 7000Pa suction combined with effective dual spinning mops, All-in-one dock handles emptying, refilling, washing, and drying
Watch for: Smaller onboard water tank (80ml) requires frequent dock trips for refilling
Conclusion
There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.
Frequently Asked Questions
+Which has better value?
Dreame L20 Ultra Robot Vacuum and Mop excels if you value mopextend™ technology physically extends the mop pad to clean edges and corners effectively. Roborock Qrevo S is better if you prioritize high-end 7000pa suction combined with effective dual spinning mops. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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