Dreame L20 Ultra Robot Vacuum and Mop vs Shark AI Ultra Robot Self-Empty
If you are torn between Dreame L20 Ultra Robot Vacuum and Mop and Shark AI Ultra Robot Self-Empty, this breakdown is for you. We compare specs, pros, and cons so you can decide confidently.
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Dreame L20 Ultra Robot Vacuum and Mop

Shark AI Ultra Robot Self-Empty
Comparison: Dreame L20 Ultra Robot Vacuum and Mop vs Shark AI Ultra Robot Self-Empty

Dreame L20 Ultra Robot Vacuum and Mop

Shark AI Ultra Robot Self-Empty
| Criterion | Dreame L20 Ultra Robot Vacuum and Mop | Shark AI Ultra Robot Self-Empty |
|---|---|---|
| Rating | ★3.8(454)Amazon | ★4.1(7,858)Amazon |
Navigation | Pathfinder™ Smart Navigation (LiDAR + AI Action + 3D Structured Light for precise route planning). | Matrix Clean Navigation (LIDAR) with 360° vision; cleans in a precision grid (matrix) pattern. |
Mapping | 3D Mapping (Fast mapping, Matrix Map, Multi-level mapping up to 4 floors). | Yes (Precision Home Mapping via SharkClean app; supports room selection and No-Go Zones). |
Obstacle Avoidance | AI Action + 3D Structured Light (Identifies 55+ obstacle types; LED fill lights for dark areas). | LiDAR-based object detection (avoids walls/furniture, but lacks active camera/AI small object recognition). |
Suction Pa | 7,000 Pa (Vormax™ Suction System) | Not specified (Features UltraClean Mode™ for deep cleaning). |
Brush System | Liftable Rubber Brush (Bristleless design to minimize hair tangles) + Side brush. | Self-Cleaning Brushroll (PowerFins) designed to prevent hair wrap + dual spinning side brushes. |
Mopping | DuoScrub™ Mopping System (Dual rotary mops) with MopExtend™ (Extends mop pad to within 2mm of edges). | No |
Mop Lift | 0.41" (10.5 mm) Automatic Lift + Magnetic Mop Detachment (Automatically leaves mops in dock for high-pile carpets). | N/A (No mopping) |
Carpet Boost | Yes (Ultrasonic carpet detection; Auto-lift or Mop Detach modes). | No automatic suction boost (Manual 'UltraClean Mode' increases coverage and intensity). |
Battery | 14.4V / 6,400 mAh Lithium-ion (Fast Charging supported) | Lithium-ion (Capacity not specified) |
Runtime | Up to 260 min (Quiet Mode, Vacuum only or Mop only) | Up to 120 min (in Eco/Standard mode) |
Charging Time | Approx. 4.5 hours (30% faster charging technology) | 6 hours |
Dustbin | 0.08 gal (300 mL) — Internal bin | Robot: approx. 0.08 gal; Base: 60-day capacity (Bagless HEPA bin). |
Water Tank | 0.02 gal (80 mL) — Internal tank (Auto-refilled by dock) | N/A (No mopping) |
Auto Empty | Yes | Yes (Bagless HEPA Self-Empty Base; holds up to 60 days). |
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". | XL HEPA Self-Empty Base (Bagless) |
Mop Wash | Yes (Automatic mop washing with detergent dosing) | N/A (No mopping) |
Mop Dry | Yes (Warm air drying) | N/A (No mopping) |
Filtration | E12 Rated Filter | True HEPA filtration (in Base only) captures 99.97% of dust/allergens; Standard filter in robot. |
Noise Level | Lowest 63 dB (A) | Approx. 70 dB |
App Features | Dreamehome App (CleanGenius™, MopExtend settings, AI obstacle photos, Remote Video Control, Multi-floor maps). | SharkClean App: Schedule, Select Rooms, No-Go Zones, UltraClean Mode™, Report, Recharge & Resume. |
Voice Assistants | Amazon Alexa, Google Assistant, Apple Siri Shortcuts. | Alexa, Google Assistant |
Multi Floor | Yes (Up to 4 map levels). | Yes (Supports storage of up to 3 floor maps). |
Threshold Climb | 0.79" (20 mm) | 0.75" (approx. 2 cm) |
Height | 4.09" (103.8 mm) | 3.5" |
Dimensions | 13.78" (L) x 13.78" (W) x 4.09" (H) | 12.9" (L) x 12.6" (W) x 3.5" (H) |
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Dreame L20 Ultra Robot Vacuum and Mop
✓ 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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Shark AI Ultra Robot Self-Empty
✓ Pros:
- • Bagless Self-Empty Base reduces recurring cost of disposal bags
- • True HEPA filtration in the dock is excellent for allergy sufferers
- • Matrix Clean Navigation provides better coverage than standard row-cleaning
- • LiDAR mapping allows for quick map generation and accurate room selection
✗ Cons:
- • No mopping capability
- • Lacks advanced AI camera for avoiding small objects (cables, pet waste)
- • Suction power (Pa) is not publicly specified by manufacturer
- • Bagless base requires messy filter cleaning/washing unlike sealed bag systems
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Which one is better?
Looking at user satisfaction (Shark AI Ultra Robot Self-Empty: 3.8★ vs Dreame L20 Ultra Robot Vacuum and Mop: 4.1★), Shark AI Ultra Robot Self-Empty pulls ahead. The gap is small—choose based on the priorities below.
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
Shark AI Ultra Robot Self-Empty excels at: Bagless Self-Empty Base reduces recurring cost of disposal bags, True HEPA filtration in the dock is excellent for allergy sufferers
Watch for: No mopping capability
Conclusion
Dreame L20 Ultra Robot Vacuum and Mop and Shark AI Ultra Robot Self-Empty are both solid choices. Match the strengths above to your budget and workflow to make the best call.
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. Shark AI Ultra Robot Self-Empty is better if you prioritize bagless self-empty base reduces recurring cost of disposal bags. 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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