Comparison

Dreame L40 Ultra vs Roborock Qrevo Curv S5X vs Roborock QV 35A

Detailed Technical Comparison

Best Score

1 / 9

Dreame L40 Ultra

7.6

Overall score

View on Amazon

1 / 11

Roborock Qrevo Curv S5X

6.6

Overall score

View on Amazon

1 / 10

Roborock QV 35A

5.3

Overall score

View on Amazon

Scores

Dreame L40 Ultra

Overall score 7.6

Power and Battery 5.1

Brushing System 7.3

Mopping System 7.8

Cleaning Base 7.5

Navigation and Intelligence 8.8

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 QV 35A

Overall score 5.3

Power and Battery 4.8

Brushing System 2.8

Mopping System 4.0

Cleaning Base 5.4

Navigation and Intelligence 3.6

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40 Ultra

Roborock Qrevo Curv S5X

Roborock QV 35A

Brand Different ?	Dreame L40 Ultra: Dreame	Roborock Qrevo Curv S5X: Roborock	Roborock QV 35A: Roborock
Release date Different ?	Dreame L40 Ultra: 2024	Roborock Qrevo Curv S5X: 2024	Roborock QV 35A: 2025

Power and Battery

Dreame L40 Ultra

Roborock Qrevo Curv S5X

Roborock QV 35A

Suction power Different ?	Dreame L40 Ultra: 11.000 Pa	Roborock Qrevo Curv S5X: 18.500 Pa	Roborock QV 35A: 8.000 Pa
Battery capacity ?	Dreame L40 Ultra: 5.200 mAh	Roborock Qrevo Curv S5X: 5.200 mAh	Roborock QV 35A: 5.200 mAh
Declared runtime Different ?	Dreame L40 Ultra: 194 min	Roborock Qrevo Curv S5X: 180 min	Roborock QV 35A: 180 mins
Fast battery charging ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock QV 35A: Sí

Brushing System

Dreame L40 Ultra

Roborock Qrevo Curv S5X

Roborock QV 35A

Main brush Different ?	Dreame L40 Ultra: TriCut 3.0	Roborock Qrevo Curv S5X: DuoDivide Anti-Tangle Hair Brush	Roborock QV 35A: Simple Silicone Brush
Liftable main brush Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Liftable side brush Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Extendable side brush Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock QV 35A: No
Anti-tangle side brush ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock QV 35A: Sí
Skirting board brush ?	Dreame L40 Ultra: No	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No

Mopping System

Dreame L40 Ultra

Roborock Qrevo Curv S5X

Roborock QV 35A

Mopping type Different ?	Dreame L40 Ultra: Two Rotating Mops 180 RPM	Roborock Qrevo Curv S5X: Two Rotating Mops 200 RPM	Roborock QV 35A: Two Rotating Mops 200 RPM
Mop extension Different ?	Dreame L40 Ultra: Yes, with RoboSwing movement	Roborock Qrevo Curv S5X: Sí	Roborock QV 35A: No
Mop lifting Different ?	Dreame L40 Ultra: Yes, 0.4 in (10.5 mm)	Roborock Qrevo Curv S5X: Yes, 0.4 in (10 mm)	Roborock QV 35A: Yes, 0.4 in (10 mm)
Floor mopping temperature ?	Dreame L40 Ultra: Cold water	Roborock Qrevo Curv S5X: Cold water	Roborock QV 35A: Cold water
Remove mops at base Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Mop dirt detection Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock QV 35A: No
Floor dirt detection Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock QV 35A: No

Cleaning Base

Dreame L40 Ultra

Roborock Qrevo Curv S5X

Roborock QV 35A

Auto-emptying of dust bin ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock QV 35A: Sí
Mop washing Different ?	Dreame L40 Ultra: Yes, with hot water at 65ºC	Roborock Qrevo Curv S5X: Yes, with hot water at 167 °F (75°C)	Roborock QV 35A: Yes, with cold water
Mop drying Different ?	Dreame L40 Ultra: Yes, with hot air at 113 °F (45°C)	Roborock Qrevo Curv S5X: Yes, with hot air at 113 °F (45°C)	Roborock QV 35A: Yes, with cold air
Washing tray self-cleaning Different ?	Dreame L40 Ultra: Yes, 2nd generation	Roborock Qrevo Curv S5X: Yes, 2.0	Roborock QV 35A: No
UV disinfection ?	Dreame L40 Ultra: No	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Detergent tank Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Automatic mop changing ?	Dreame L40 Ultra: No	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Dust bag capacity Different ?	Dreame L40 Ultra: 3.2 L	Roborock Qrevo Curv S5X: 2.5 L	Roborock QV 35A: 2.7 L
Clean water tank Different ?	Dreame L40 Ultra: 4.5 L	Roborock Qrevo Curv S5X: 4 L	Roborock QV 35A: 4 L
Dirty water tank Different ?	Dreame L40 Ultra: 4 L	Roborock Qrevo Curv S5X: 3 L	Roborock QV 35A: 3.5 L
Plumbing connection kit Different ?	Dreame L40 Ultra: Yes (purchased separately)	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Integrated plumbing connection ?	Dreame L40 Ultra: No	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No

Navigation and Intelligence

Dreame L40 Ultra

Roborock Qrevo Curv S5X

Roborock QV 35A

Navigation system ?	Dreame L40 Ultra: 360° LiDAR turret	Roborock Qrevo Curv S5X: 360° LiDAR turret	Roborock QV 35A: 360° LiDAR turret
Obstacle avoidance ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock QV 35A: Sí
AI camera Different ?	Dreame L40 Ultra: Yes, dual	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Front 3D laser sensor Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
No. of recognised obstacles Different ?	Dreame L40 Ultra: 100	Roborock Qrevo Curv S5X: ?	Roborock QV 35A: ?
Pet recognition Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Cleaning behind curtains Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Remote camera access Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Night vision LED Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
AI intelligent cleaning Different ?	Dreame L40 Ultra: Yes, CleanGenius 2.0	Roborock Qrevo Curv S5X: Yes, SmartPlan 2.0	Roborock QV 35A: Yes, SmartPlan 1.0
AI stain recognition Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
CPU / Algorithm Different ?	Dreame L40 Ultra: AI Sage 11.0 Quad-core	Roborock Qrevo Curv S5X: RR Mason 11.0	Roborock QV 35A: ?

Advanced Features

Dreame L40 Ultra

Roborock Qrevo Curv S5X

Roborock QV 35A

Ability to overcome steps Different ?	Dreame L40 Ultra: 0.9 in (22 mm)	Roborock Qrevo Curv S5X: 0.8 in (20 mm)	Roborock QV 35A: 0.8 in (20 mm)
Robotic arm ?	Dreame L40 Ultra: No	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Integrated own voice assistant Different ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: No	Roborock QV 35A: No
Compatible with voice assistants (Alexa, Google Home...) ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock QV 35A: Sí
Matter compatible ?	Dreame L40 Ultra: Sí	Roborock Qrevo Curv S5X: Sí	Roborock QV 35A: Sí

Robot Tanks

Dreame L40 Ultra

Roborock Qrevo Curv S5X

Roborock QV 35A

Robot dust bin Different ?	Dreame L40 Ultra: 300 ml	Roborock Qrevo Curv S5X: 325 ml	Roborock QV 35A: 330 ml
Robot water tank ?	Dreame L40 Ultra: 2.7 fl oz (80 ml)	Roborock Qrevo Curv S5X: 2.7 fl oz (80 ml)	Roborock QV 35A: 2.7 fl oz (80 ml)

Robot Dimensions

Dreame L40 Ultra

Roborock Qrevo Curv S5X

Roborock QV 35A

Robot diameter Different ?	Dreame L40 Ultra: 350 mm	Roborock Qrevo Curv S5X: 352 mm	Roborock QV 35A: 353 mm
Robot height Different ?	Dreame L40 Ultra: 103.8 mm	Roborock Qrevo Curv S5X: 98 mm	Roborock QV 35A: 96.5 mm

Base Dimensions

Dreame L40 Ultra

Roborock Qrevo Curv S5X

Roborock QV 35A

Base width Different ?	Dreame L40 Ultra: 340 mm	Roborock Qrevo Curv S5X: 450 mm	Roborock QV 35A: 340 mm
Base height Different ?	Dreame L40 Ultra: 590.5 mm	Roborock Qrevo Curv S5X: 450 mm	Roborock QV 35A: 521 mm
Base depth Different ?	Dreame L40 Ultra: 456.7 mm	Roborock Qrevo Curv S5X: 450 mm	Roborock QV 35A: 487 mm