Comparison

Dreame L40s Pro Ultra vs Dreame L50 Ultra AE vs Roborock Qrevo Edge 2

Detailed Technical Comparison

Best Score

1 / 12

Dreame L40s Pro Ultra

8.1

Overall score

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1 / 9

Dreame L50 Ultra AE

6.9

Overall score

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1 / 9

Roborock Qrevo Edge 2

8.0

Overall score

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Scores

Dreame L40s Pro Ultra

Overall score 8.1

Power and Battery 6.0

Brushing System 7.9

Mopping System 7.8

Cleaning Base 7.8

Navigation and Intelligence 9.0

Dreame L50 Ultra AE

Overall score 6.9

Power and Battery 7.0

Brushing System 6.3

Mopping System 6.0

Cleaning Base 8.4

Navigation and Intelligence 3.6

Roborock Qrevo Edge 2

Overall score 8.0

Power and Battery 5.9

Brushing System 6.7

Mopping System 8.7

Cleaning Base 7.1

Navigation and Intelligence 9.6

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40s Pro Ultra

Dreame L50 Ultra AE

Roborock Qrevo Edge 2

Brand Different ?	Dreame L40s Pro Ultra: Dreame	Dreame L50 Ultra AE: Dreame	Roborock Qrevo Edge 2: Roborock
Release date Different ?	Dreame L40s Pro Ultra: 2025	Dreame L50 Ultra AE: March 2026	Roborock Qrevo Edge 2: May 2026

Power and Battery

Dreame L40s Pro Ultra

Dreame L50 Ultra AE

Roborock Qrevo Edge 2

Suction power Different ?	Dreame L40s Pro Ultra: 19.000 Pa	Dreame L50 Ultra AE: 28.000 Pa	Roborock Qrevo Edge 2: 25.000 Pa
Battery capacity ?	Dreame L40s Pro Ultra: 5.200 mAh	Dreame L50 Ultra AE: 5.200 mAh	Roborock Qrevo Edge 2: 5.200 mAh
Declared runtime Different ?	Dreame L40s Pro Ultra: 220 min	Dreame L50 Ultra AE: —	Roborock Qrevo Edge 2: 188 min
Fast battery charging Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: No

Brushing System

Dreame L40s Pro Ultra

Dreame L50 Ultra AE

Roborock Qrevo Edge 2

Main brush Different ?	Dreame L40s Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush	Dreame L50 Ultra AE: TriCut 3.0	Roborock Qrevo Edge 2: DuoDivide Anti-Tangle Hair Brush
Liftable main brush ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: Sí
Liftable side brush Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: No
Extendable side brush ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: Sí
Anti-tangle side brush ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: Sí
Skirting board brush ?	Dreame L40s Pro Ultra: No	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: No

Mopping System

Dreame L40s Pro Ultra

Dreame L50 Ultra AE

Roborock Qrevo Edge 2

Mopping type Different ?	Dreame L40s Pro Ultra: Two Rotating Mops 180 RPM	Dreame L50 Ultra AE: Two Rotating Mops 180 RPM	Roborock Qrevo Edge 2: Two Rotating Mops 230 RPM 8N
Mop extension Different ?	Dreame L40s Pro Ultra: Yes, with RoboSwing movement	Dreame L50 Ultra AE: Yes, with RoboSwing movement	Roborock Qrevo Edge 2: Sí
Mop lifting Different ?	Dreame L40s Pro Ultra: Yes, 0.4 in (10.5 mm)	Dreame L50 Ultra AE: Yes, 0.4 in (10.5 mm)	Roborock Qrevo Edge 2: Yes, 0.5 in (12 mm)
Floor mopping temperature Different ?	Dreame L40s Pro Ultra: Cold water	Dreame L50 Ultra AE: Cold water	Roborock Qrevo Edge 2: Warm Water
Remove mops at base ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: Sí
Mop dirt detection Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: Sí
Floor dirt detection Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: Sí

Cleaning Base

Dreame L40s Pro Ultra

Dreame L50 Ultra AE

Roborock Qrevo Edge 2

Auto-emptying of dust bin ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: Sí
Mop washing Different ?	Dreame L40s Pro Ultra: Yes, with hot water at 167 °F (75°C)	Dreame L50 Ultra AE: Yes, with hot water at 212 °F (100°C)	Roborock Qrevo Edge 2: Yes, with hot water at 176 °F (80°C)
Mop drying Different ?	Dreame L40s Pro Ultra: Yes, with hot air at 113 °F (45°C)	Dreame L50 Ultra AE: Yes, with hot air at 113 °F (45°C)	Roborock Qrevo Edge 2: Yes, with hot air at 131 °F (55°C)
Washing tray self-cleaning Different ?	Dreame L40s Pro Ultra: Yes, 3rd generation	Dreame L50 Ultra AE: Yes, 3rd generation	Roborock Qrevo Edge 2: Yes, 2.0
UV disinfection ?	Dreame L40s Pro Ultra: No	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: No
Detergent tank Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: No
Automatic mop changing ?	Dreame L40s Pro Ultra: No	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: No
Dust bag capacity Different ?	Dreame L40s Pro Ultra: 3.2 L	Dreame L50 Ultra AE: 3.2 L	Roborock Qrevo Edge 2: 2.7 L
Clean water tank Different ?	Dreame L40s Pro Ultra: 4.5 L	Dreame L50 Ultra AE: 4.5 L	Roborock Qrevo Edge 2: 4 L
Dirty water tank Different ?	Dreame L40s Pro Ultra: 4 L	Dreame L50 Ultra AE: 4 L	Roborock Qrevo Edge 2: 3.5 L
Plumbing connection kit Different ?	Dreame L40s Pro Ultra: Yes (purchased separately)	Dreame L50 Ultra AE: Yes (purchased separately)	Roborock Qrevo Edge 2: No
Integrated plumbing connection ?	Dreame L40s Pro Ultra: No	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: No

Navigation and Intelligence

Dreame L40s Pro Ultra

Dreame L50 Ultra AE

Roborock Qrevo Edge 2

Navigation system Different ?	Dreame L40s Pro Ultra: 360° LiDAR turret	Dreame L50 Ultra AE: 360° LiDAR turret	Roborock Qrevo Edge 2: 360° Retractable LiDAR
Obstacle avoidance ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: Sí
AI camera Different ?	Dreame L40s Pro Ultra: Yes, dual	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: Sí
Front 3D laser sensor ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: Sí
No. of recognised obstacles Different ?	Dreame L40s Pro Ultra: 180	Dreame L50 Ultra AE: ?	Roborock Qrevo Edge 2: 280
Pet recognition Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: Sí
Cleaning behind curtains Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: Sí
Remote camera access Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: Sí
Night vision LED Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: Sí
AI intelligent cleaning Different ?	Dreame L40s Pro Ultra: Yes, CleanGenius 2.0	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: Yes, SmartPlan 3.0
AI stain recognition Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: Sí
CPU / Algorithm ?	Dreame L40s Pro Ultra: ?	Dreame L50 Ultra AE: ?	Roborock Qrevo Edge 2: ?

Advanced Features

Dreame L40s Pro Ultra

Dreame L50 Ultra AE

Roborock Qrevo Edge 2

Ability to overcome steps Different ?	Dreame L40s Pro Ultra: Single step 0.9 in (22 mm) - Double step 40 mm	Dreame L50 Ultra AE: 0.8 in (20 mm)	Roborock Qrevo Edge 2: 0.8 in (20 mm)
Robotic arm ?	Dreame L40s Pro Ultra: No	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: No
Integrated own voice assistant Different ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: No	Roborock Qrevo Edge 2: Sí
Compatible with voice assistants (Alexa, Google Home...) ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: Sí
Matter compatible ?	Dreame L40s Pro Ultra: Sí	Dreame L50 Ultra AE: Sí	Roborock Qrevo Edge 2: Sí

Robot Tanks

Dreame L40s Pro Ultra

Dreame L50 Ultra AE

Roborock Qrevo Edge 2

Robot dust bin Different ?	Dreame L40s Pro Ultra: 300 ml	Dreame L50 Ultra AE: 250 ml	Roborock Qrevo Edge 2: 240 ml
Robot water tank Different ?	Dreame L40s Pro Ultra: 2.7 fl oz (80 ml)	Dreame L50 Ultra AE: 80 ml	Roborock Qrevo Edge 2: 67 ml

Robot Dimensions

Dreame L40s Pro Ultra

Dreame L50 Ultra AE

Roborock Qrevo Edge 2

Robot diameter Different ?	Dreame L40s Pro Ultra: 350 mm	Dreame L50 Ultra AE: 350 mm	Roborock Qrevo Edge 2: 352 mm
Robot height Different ?	Dreame L40s Pro Ultra: 103.8 mm	Dreame L50 Ultra AE: 97 mm	Roborock Qrevo Edge 2: 79.8 mm

Base Dimensions

Dreame L40s Pro Ultra

Dreame L50 Ultra AE

Roborock Qrevo Edge 2

Base width ?	Dreame L40s Pro Ultra: 340 mm	Dreame L50 Ultra AE: 340 mm	Roborock Qrevo Edge 2: 340 mm
Base height Different ?	Dreame L40s Pro Ultra: 590.5 mm	Dreame L50 Ultra AE: 590 mm	Roborock Qrevo Edge 2: 521 mm
Base depth Different ?	Dreame L40s Pro Ultra: 456.7 mm	Dreame L50 Ultra AE: 457 mm	Roborock Qrevo Edge 2: 487 mm