Comparison

Dreame L40s Pro Ultra vs Roborock Qrevo Curv S5X vs Roborock Qrevo Slim

Detailed Technical Comparison

Best Score

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Dreame L40s Pro Ultra

8.1

Overall score

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1 / 11

Roborock Qrevo Curv S5X

6.6

Overall score

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Roborock Qrevo Slim

6.9

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

Roborock Qrevo Curv S5X

Overall score 6.6

Power and Battery 5.9

Brushing System 5.7

Mopping System 7.1

Cleaning Base 6.8

Navigation and Intelligence 3.7

Roborock Qrevo Slim

Overall score 6.9

Power and Battery 5.1

Brushing System 5.0

Mopping System 7.1

Cleaning Base 6.4

Navigation and Intelligence 7.4

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40s Pro Ultra

Roborock Qrevo Curv S5X

Roborock Qrevo Slim

Brand Different ?	Dreame L40s Pro Ultra: Dreame	Roborock Qrevo Curv S5X: Roborock	Roborock Qrevo Slim: Roborock
Release date Different ?	Dreame L40s Pro Ultra: 2025	Roborock Qrevo Curv S5X: 2024	Roborock Qrevo Slim: 2024

Power and Battery

Dreame L40s Pro Ultra

Roborock Qrevo Curv S5X

Roborock Qrevo Slim

Suction power Different ?	Dreame L40s Pro Ultra: 19.000 Pa	Roborock Qrevo Curv S5X: 18.500 Pa	Roborock Qrevo Slim: 11.000 Pa
Battery capacity ?	Dreame L40s Pro Ultra: 5.200 mAh	Roborock Qrevo Curv S5X: 5.200 mAh	Roborock Qrevo Slim: 5.200 mAh
Declared runtime Different ?	Dreame L40s Pro Ultra: 220 min	Roborock Qrevo Curv S5X: 180 min	Roborock Qrevo Slim: 180 min
Fast battery charging ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock Qrevo Slim: Sí

Brushing System

Dreame L40s Pro Ultra

Roborock Qrevo Curv S5X

Roborock Qrevo Slim

Main brush Different ?	Dreame L40s Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush	Roborock Qrevo Curv S5X: DuoDivide Anti-Tangle Hair Brush	Roborock Qrevo Slim: Dual Silicone Brush
Liftable main brush Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: Sí
Liftable side brush Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No
Extendable side brush ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock Qrevo Slim: Sí
Anti-tangle side brush Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock Qrevo Slim: No
Skirting board brush ?	Dreame L40s Pro Ultra: No	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No

Mopping System

Dreame L40s Pro Ultra

Roborock Qrevo Curv S5X

Roborock Qrevo Slim

Mopping type Different ?	Dreame L40s Pro Ultra: Two Rotating Mops 180 RPM	Roborock Qrevo Curv S5X: Two Rotating Mops 200 RPM	Roborock Qrevo Slim: Two Rotating Mops 200 RPM
Mop extension Different ?	Dreame L40s Pro Ultra: Yes, with RoboSwing movement	Roborock Qrevo Curv S5X: Sí	Roborock Qrevo Slim: Sí
Mop lifting Different ?	Dreame L40s Pro Ultra: Yes, 0.4 in (10.5 mm)	Roborock Qrevo Curv S5X: Yes, 0.4 in (10 mm)	Roborock Qrevo Slim: Yes, 0.4 in (10 mm)
Floor mopping temperature ?	Dreame L40s Pro Ultra: Cold water	Roborock Qrevo Curv S5X: Cold water	Roborock Qrevo Slim: Cold water
Remove mops at base Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No
Mop dirt detection ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock Qrevo Slim: Sí
Floor dirt detection ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock Qrevo Slim: Sí

Cleaning Base

Dreame L40s Pro Ultra

Roborock Qrevo Curv S5X

Roborock Qrevo Slim

Auto-emptying of dust bin ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock Qrevo Slim: Sí
Mop washing Different ?	Dreame L40s Pro Ultra: Yes, with hot water at 167 °F (75°C)	Roborock Qrevo Curv S5X: Yes, with hot water at 167 °F (75°C)	Roborock Qrevo Slim: Yes, with hot water at 140 °F (60°C)
Mop drying ?	Dreame L40s Pro Ultra: Yes, with hot air at 113 °F (45°C)	Roborock Qrevo Curv S5X: Yes, with hot air at 113 °F (45°C)	Roborock Qrevo Slim: Yes, with hot air at 113 °F (45°C)
Washing tray self-cleaning Different ?	Dreame L40s Pro Ultra: Yes, 3rd generation	Roborock Qrevo Curv S5X: Yes, 2.0	Roborock Qrevo Slim: Yes, 1.0
UV disinfection ?	Dreame L40s Pro Ultra: No	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No
Detergent tank Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No
Automatic mop changing ?	Dreame L40s Pro Ultra: No	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No
Dust bag capacity Different ?	Dreame L40s Pro Ultra: 3.2 L	Roborock Qrevo Curv S5X: 2.5 L	Roborock Qrevo Slim: 2.7 L
Clean water tank Different ?	Dreame L40s Pro Ultra: 4.5 L	Roborock Qrevo Curv S5X: 4 L	Roborock Qrevo Slim: 4 L
Dirty water tank Different ?	Dreame L40s Pro Ultra: 4 L	Roborock Qrevo Curv S5X: 3 L	Roborock Qrevo Slim: 3.5 L
Plumbing connection kit Different ?	Dreame L40s Pro Ultra: Yes (purchased separately)	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No
Integrated plumbing connection ?	Dreame L40s Pro Ultra: No	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No

Navigation and Intelligence

Dreame L40s Pro Ultra

Roborock Qrevo Curv S5X

Roborock Qrevo Slim

Navigation system Different ?	Dreame L40s Pro Ultra: 360° LiDAR turret	Roborock Qrevo Curv S5X: 360° LiDAR turret	Roborock Qrevo Slim: StarSight 1.0
Obstacle avoidance ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock Qrevo Slim: Sí
AI camera Different ?	Dreame L40s Pro Ultra: Yes, dual	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: Yes, dual
Front 3D laser sensor Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: Sí
No. of recognised obstacles Different ?	Dreame L40s Pro Ultra: 180	Roborock Qrevo Curv S5X: ?	Roborock Qrevo Slim: 73
Pet recognition Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: Sí
Cleaning behind curtains Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No
Remote camera access Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: Sí
Night vision LED Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: Sí
AI intelligent cleaning Different ?	Dreame L40s Pro Ultra: Yes, CleanGenius 2.0	Roborock Qrevo Curv S5X: Yes, SmartPlan 2.0	Roborock Qrevo Slim: Yes, SmartPlan 1.0
AI stain recognition Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No
CPU / Algorithm Different ?	Dreame L40s Pro Ultra: ?	Roborock Qrevo Curv S5X: RR Mason 11.0	Roborock Qrevo Slim: RR Mason 11.0

Advanced Features

Dreame L40s Pro Ultra

Roborock Qrevo Curv S5X

Roborock Qrevo Slim

Ability to overcome steps Different ?	Dreame L40s Pro Ultra: Single step 0.9 in (22 mm) - Double step 40 mm	Roborock Qrevo Curv S5X: 0.8 in (20 mm)	Roborock Qrevo Slim: 0.8 in (20 mm)
Robotic arm ?	Dreame L40s Pro Ultra: No	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: No
Integrated own voice assistant Different ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock Qrevo Slim: Sí
Compatible with voice assistants (Alexa, Google Home...) ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock Qrevo Slim: Sí
Matter compatible ?	Dreame L40s Pro Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock Qrevo Slim: Sí

Robot Tanks

Dreame L40s Pro Ultra

Roborock Qrevo Curv S5X

Roborock Qrevo Slim

Robot dust bin Different ?	Dreame L40s Pro Ultra: 300 ml	Roborock Qrevo Curv S5X: 325 ml	Roborock Qrevo Slim: 220 ml
Robot water tank Different ?	Dreame L40s Pro Ultra: 2.7 fl oz (80 ml)	Roborock Qrevo Curv S5X: 2.7 fl oz (80 ml)	Roborock Qrevo Slim: 2.4 fl oz (72 ml)

Robot Dimensions

Dreame L40s Pro Ultra

Roborock Qrevo Curv S5X

Roborock Qrevo Slim

Robot diameter Different ?	Dreame L40s Pro Ultra: 350 mm	Roborock Qrevo Curv S5X: 352 mm	Roborock Qrevo Slim: 353 mm
Robot height Different ?	Dreame L40s Pro Ultra: 103.8 mm	Roborock Qrevo Curv S5X: 98 mm	Roborock Qrevo Slim: 82 mm

Base Dimensions

Dreame L40s Pro Ultra

Roborock Qrevo Curv S5X

Roborock Qrevo Slim

Base width Different ?	Dreame L40s Pro Ultra: 340 mm	Roborock Qrevo Curv S5X: 450 mm	Roborock Qrevo Slim: 340 mm
Base height Different ?	Dreame L40s Pro Ultra: 590.5 mm	Roborock Qrevo Curv S5X: 450 mm	Roborock Qrevo Slim: 521 mm
Base depth Different ?	Dreame L40s Pro Ultra: 456.7 mm	Roborock Qrevo Curv S5X: 450 mm	Roborock Qrevo Slim: 487 mm