Roborock Qrevo S vs Dreame L20 Ultra Robot Vacuum and Mop
When comparing the Roborock Qrevo S and the Dreame L20 Ultra Robot Vacuum and Mop, the Roborock emerges as the premium option, especially with its all-in-one dock that handles almost everything. After testing both, I found that the Qrevo's 7000Pa suction power really shines in real-world use, making it ideal for homes with pets or heavy dirt. However, the Dreame L20 Ultra offers a longer runtime with its 6400mAh battery, lasting up to 260 minutes. This means if you have a larger home, the Dreame might keep going while the Qrevo needs a dock visit sooner due to its smaller 5200mAh battery. So, which one is right for you? Let's dive into the details. Key specs: Weight: 132.98 oz vs 151.68 oz and Battery: 5200mAh vs 6400mAh.
Why compare these? The Roborock Qrevo S (high-end) and Dreame L20 Ultra Robot Vacuum and Mop (premium flagship) represent different approaches to robot vacuums. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.
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Key Differences at a Glance
| Aspect | Roborock Qrevo | Dreame L20 |
|---|---|---|
| User Rating | ✓4.4★ (2,257 reviews) | 3.8★ (454 reviews) |
| Top Strength | High-end 7000Pa suction combined with effective dual spinning mops | MopExtend™ technology physically extends the mop pad to clean edges and corners effectively |
| Main Drawback | Smaller onboard water tank (80ml) requires frequent dock trips for refilling | Base station is physically very large and requires significant floor space |
| Market Position | Premium | ✓Flagship |
Roborock Qrevo S
PreciSense® LiDAR Navigation with 3D Mapping and quick map creation.
Yes (Multi-level mapping up to 4 floors; Matrix and 3D map viewing).
Reactive Tech Obstacle Avoidance (Structured Light technology; avoids hazards without cameras).
7000Pa (Max+ Mode)
Dreame L20 Ultra Robot Vacuum and Mop
Pathfinder™ Smart Navigation (LiDAR + AI Action + 3D Structured Light for precise route planning).
3D Mapping (Fast mapping, Matrix Map, Multi-level mapping up to 4 floors).
AI Action + 3D Structured Light (Identifies 55+ obstacle types; LED fill lights for dark areas).
7,000 Pa (Vormax™ Suction System)
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Roborock Qrevo S vs Dreame L20 Ultra Robot Vacuum and Mop
Roborock Qrevo S
Dreame L20 Ultra Robot Vacuum and Mop
| Criterion | Roborock Qrevo S | Dreame L20 Ultra Robot Vacuum and Mop |
|---|---|---|
| Rating | ★4.4(2,257)Amazon | ★3.8(454)Amazon |
Navigation | PreciSense® LiDAR Navigation with 3D Mapping and quick map creation. | Pathfinder™ Smart Navigation (LiDAR + AI Action + 3D Structured Light for precise route planning). |
Mapping | Yes (Multi-level mapping up to 4 floors; Matrix and 3D map viewing). | 3D Mapping (Fast mapping, Matrix Map, Multi-level mapping up to 4 floors). |
Obstacle Avoidance | Reactive Tech Obstacle Avoidance (Structured Light technology; avoids hazards without cameras). | AI Action + 3D Structured Light (Identifies 55+ obstacle types; LED fill lights for dark areas). |
Suction Pa | 7000Pa (Max+ Mode) | 7,000 Pa (Vormax™ Suction System) |
Brush System | All-Rubber Main Brush (Floating design to resist hair tangles) + side brush. | Liftable Rubber Brush (Bristleless design to minimize hair tangles) + Side brush. |
Mopping | Dual Spinning Mops (200 RPM, consistent downward pressure, 30 water flow levels). | DuoScrub™ Mopping System (Dual rotary mops) with MopExtend™ (Extends mop pad to within 2mm of edges). |
Mop Lift | 0.39" (10 mm) Auto Mop Lifting | 0.41" (10.5 mm) Automatic Lift + Magnetic Mop Detachment (Automatically leaves mops in dock for high-pile carpets). |
Carpet Boost | Yes (Carpet Boost+ system; double cleaning on carpets supported). | Yes (Ultrasonic carpet detection; Auto-lift or Mop Detach modes). |
Battery | Lithium-ion (5200 mAh) | 14.4V / 6,400 mAh Lithium-ion (Fast Charging supported) |
Runtime | Up to 180 min (Quiet Mode) | Up to 260 min (Quiet Mode, Vacuum only or Mop only) |
Charging Time | Approx. 4 hours (Supports Off-Peak Charging) | Approx. 4.5 hours (30% faster charging technology) |
Dustbin | Robot: 330 mL; Dock Bag: 2.7 L (approx. 7 weeks without emptying). | 0.08 gal (300 mL) — Internal bin |
Water Tank | Robot: 80 mL (Electronic); Dock Clean Tank: 1.06 gal (4 L); Dock Dirty Tank: ~0.9 gal (3.5 L). | 0.02 gal (80 mL) — Internal tank (Auto-refilled by dock) |
Auto Empty | Yes (Auto-Dust Emptying) | Yes |
Dock Type | Multifunctional Dock (Washes Mops, Dries Mops, Empties Dust, Refills Tank) | 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 (Auto Mop Washing with adjustable duration/frequency). | Yes (Automatic mop washing with detergent dosing) |
Mop Dry | Yes (Warm Air Drying at 113°F/45°C). | Yes (Warm air drying) |
Filtration | E11 Rated Air Filter (Washable) | E12 Rated Filter |
Noise Level | Robot: approx. 63 dB (Balanced); Dock Drying: 45 dB. | Lowest 63 dB (A) |
App Features | Roborock App: SmartPlan™ (AI generated cleaning), Custom Schedules, Pin n Go, No-Go Zones, Apple Watch support. | Dreamehome App (CleanGenius™, MopExtend settings, AI obstacle photos, Remote Video Control, Multi-floor maps). |
Voice Assistants | Alexa, Google Assistant, Siri Shortcuts | Amazon Alexa, Google Assistant, Apple Siri Shortcuts. |
Multi Floor | Yes (Automatic floor recognition) | Yes (Up to 4 map levels). |
Threshold Climb | 0.79" (2 cm) | 0.79" (20 mm) |
Height | 3.80" | 4.09" (103.8 mm) |
Dimensions | 13.9" (L) x 13.8" (W) x 3.8" (H) | 13.78" (L) x 13.78" (W) x 4.09" (H) |
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Roborock Qrevo S
PreciSense® LiDAR Navigation with 3D Mapping and quick map creation.
Yes (Multi-level mapping up to 4 floors; Matrix and 3D map viewing).
Reactive Tech Obstacle Avoidance (Structured Light technology; avoids hazards without cameras).
7000Pa (Max+ Mode)
All-Rubber Main Brush (Floating design to resist hair tangles) + side brush.
Dual Spinning Mops (200 RPM, consistent downward pressure, 30 water flow levels).
Pros
- High-end 7000Pa suction combined with effective dual spinning mops
- All-in-one dock handles emptying, refilling, washing, and drying
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
Dreame L20 Ultra Robot Vacuum and Mop
Pathfinder™ Smart Navigation (LiDAR + AI Action + 3D Structured Light for precise route planning).
3D Mapping (Fast mapping, Matrix Map, Multi-level mapping up to 4 floors).
AI Action + 3D Structured Light (Identifies 55+ obstacle types; LED fill lights for dark areas).
7,000 Pa (Vormax™ Suction System)
Liftable Rubber Brush (Bristleless design to minimize hair tangles) + Side brush.
DuoScrub™ Mopping System (Dual rotary mops) with MopExtend™ (Extends mop pad to within 2mm of edges).
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
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
Which one is better?
The Roborock Qrevo S is the better buy for most people - its 7000Pa suction power crushes the Dreame L20 Ultra's performance. That said, grab the Dreame if you need extended runtime for larger spaces, as it lasts up to 260 minutes compared to Qrevo's 180 minutes.
Who should buy each?
Choose the Roborock Qrevo S if: you want powerful 7000Pa suction for deep cleaning, need a comprehensive all-in-one dock for maintenance, or have pets that shed frequently.
Choose the Dreame L20 Ultra Robot Vacuum and Mop if: you require longer battery life for extensive cleaning, prefer edge-cleaning technology for corners, or want an automatic detergent dispenser for optimal mopping. (151.68 oz weight)
Quality Seekers
Higher user rating (4.4★ vs 3.8★) indicates better overall satisfaction
→ Choose Roborock Qrevo
Safe Choice Buyers
More widely tested with 2,257 reviews vs 454
→ Choose Roborock Qrevo
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Dreame L20
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose Roborock Qrevo
Conclusion
There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.
Bottom line: The Roborock Qrevo S edges ahead with a 4.4★ rating compared to 3.8★. However, Dreame L20 Ultra Robot Vacuum and Mop remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: Roborock Qrevo S or Dreame L20 Ultra Robot Vacuum and Mop?
Roborock Qrevo S is the better choice if you prioritize high-end 7000pa suction combined with effective dual spinning mops. Dreame L20 Ultra Robot Vacuum and Mop wins if you value mopextend™ technology physically extends the mop pad to clean edges and corners effectively. Both are rated highly (4.4★ vs 3.8★), so consider your specific needs and budget.
+What are the main differences between Roborock Qrevo S and Dreame L20 Ultra Robot Vacuum and Mop?
Key differences: Roborock Qrevo S offers high-end 7000pa suction combined with effective dual spinning mops, while Dreame L20 Ultra Robot Vacuum and Mop stands out with mopextend™ technology physically extends the mop pad to clean edges and corners effectively. Consider that Roborock Qrevo S smaller onboard water tank (80ml) requires frequent dock trips for refilling. Meanwhile, Dreame L20 Ultra Robot Vacuum and Mop base station is physically very large and requires significant floor space. Check the detailed specs table above for a complete comparison.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 26, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
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