Comparison

Dreame L40 Ultra vs Dreame X40 Ultra vs Roborock Qrevo Curv

Detailed Technical Comparison

Best Score

1 / 9

Dreame L40 Ultra

7.6

Overall score

Price on Amazon

429,00€

View on Amazon

1 / 8

Dreame X40 Ultra

7.5

Overall score

Price on Amazon

719,49€

View on Amazon

1 / 14

Roborock Qrevo Curv

7.5

Overall score

Price on Amazon

699,00€

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

Value for money · Excelente · 🟢 Mejor compra 8.9

Dreame X40 Ultra

Overall score 7.5

Power and Battery 5.9

Brushing System 6.7

Mopping System 7.8

Cleaning Base 7.6

Navigation and Intelligence 8.8

Value for money · Excelente · 🟢 Mejor compra 5.5

Roborock Qrevo Curv

Overall score 7.5

Power and Battery 5.9

Brushing System 6.7

Mopping System 7.2

Cleaning Base 6.8

Navigation and Intelligence 7.4

Value for money · Muy buena · 🔵 Buen precio para su gama 5.6

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40 Ultra

Dreame X40 Ultra

Roborock Qrevo Curv

Brand Different ?	Dreame L40 Ultra: Dreame	Dreame X40 Ultra: Dreame	Roborock Qrevo Curv: Roborock
Release date ?	Dreame L40 Ultra: 2024	Dreame X40 Ultra: 2024	Roborock Qrevo Curv: 2024

Power and Battery

Dreame L40 Ultra

Dreame X40 Ultra

Roborock Qrevo Curv

Suction power Different ?	Dreame L40 Ultra: 11.000 Pa	Dreame X40 Ultra: 12.000 Pa	Roborock Qrevo Curv: 18.500 Pa
Battery capacity Different ?	Dreame L40 Ultra: 5.200 mAh	Dreame X40 Ultra: 6.400 mAh	Roborock Qrevo Curv: 6.400 mAh
Declared runtime Different ?	Dreame L40 Ultra: 194 min	Dreame X40 Ultra: 194 min	Roborock Qrevo Curv: 240 min
Fast battery charging Different ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: No

Brushing System

Dreame L40 Ultra

Dreame X40 Ultra

Roborock Qrevo Curv

Main brush Different ?	Dreame L40 Ultra: TriCut 3.0	Dreame X40 Ultra: Simple Silicone Brush	Roborock Qrevo Curv: DuoDivide Anti-Tangle Hair Brush
Liftable main brush ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
Liftable side brush Different ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: No
Extendable side brush ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
Anti-tangle side brush ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
Skirting board brush ?	Dreame L40 Ultra: No	Dreame X40 Ultra: No	Roborock Qrevo Curv: No

Mopping System

Dreame L40 Ultra

Dreame X40 Ultra

Roborock Qrevo Curv

Mopping type Different ?	Dreame L40 Ultra: Two Rotating Mops 180 RPM	Dreame X40 Ultra: Two Rotating Mops 180 RPM	Roborock Qrevo Curv: Two Rotating Mops 200 RPM
Mop extension Different ?	Dreame L40 Ultra: Yes, with RoboSwing movement	Dreame X40 Ultra: Yes, with RoboSwing movement	Roborock Qrevo Curv: Sí
Mop lifting Different ?	Dreame L40 Ultra: Yes, 10.5 mm	Dreame X40 Ultra: Yes, 10.5 mm	Roborock Qrevo Curv: Yes, 10-20 mm
Floor mopping temperature ?	Dreame L40 Ultra: Cold water	Dreame X40 Ultra: Cold water	Roborock Qrevo Curv: Cold water
Remove mops at base Different ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: No
Mop dirt detection ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
Floor dirt detection ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí

Cleaning Base

Dreame L40 Ultra

Dreame X40 Ultra

Roborock Qrevo Curv

Auto-emptying of dust bin ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
Mop washing Different ?	Dreame L40 Ultra: Yes, with hot water at 65ºC	Dreame X40 Ultra: Yes, with hot water at 70°C	Roborock Qrevo Curv: Yes, with hot water at 75°C
Mop drying ?	Dreame L40 Ultra: Yes, with hot air at 45°C	Dreame X40 Ultra: Yes, with hot air at 45°C	Roborock Qrevo Curv: Yes, with hot air at 45°C
Washing tray self-cleaning Different ?	Dreame L40 Ultra: Yes, 2nd generation	Dreame X40 Ultra: Yes, 2nd generation	Roborock Qrevo Curv: Yes, 2.0
UV disinfection ?	Dreame L40 Ultra: No	Dreame X40 Ultra: No	Roborock Qrevo Curv: No
Detergent tank Different ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: No
Automatic mop changing ?	Dreame L40 Ultra: No	Dreame X40 Ultra: No	Roborock Qrevo Curv: No
Dust bag capacity Different ?	Dreame L40 Ultra: 3.2 L	Dreame X40 Ultra: 3.2 L	Roborock Qrevo Curv: 2.5 L
Clean water tank Different ?	Dreame L40 Ultra: 4.5 L	Dreame X40 Ultra: 4.5 L	Roborock Qrevo Curv: 4 L
Dirty water tank Different ?	Dreame L40 Ultra: 4 L	Dreame X40 Ultra: 4 L	Roborock Qrevo Curv: 3 L
Plumbing connection kit Different ?	Dreame L40 Ultra: Yes (purchased separately)	Dreame X40 Ultra: Yes (purchased separately)	Roborock Qrevo Curv: No
Integrated plumbing connection ?	Dreame L40 Ultra: No	Dreame X40 Ultra: No	Roborock Qrevo Curv: No

Navigation and Intelligence

Dreame L40 Ultra

Dreame X40 Ultra

Roborock Qrevo Curv

Navigation system ?	Dreame L40 Ultra: 360° LiDAR turret	Dreame X40 Ultra: 360° LiDAR turret	Roborock Qrevo Curv: 360° LiDAR turret
Obstacle avoidance ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
AI camera ?	Dreame L40 Ultra: Yes, dual	Dreame X40 Ultra: Yes, dual	Roborock Qrevo Curv: Yes, dual
Front 3D laser sensor ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
No. of recognised obstacles Different ?	Dreame L40 Ultra: 100	Dreame X40 Ultra: 120	Roborock Qrevo Curv: 62
Pet recognition ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
Cleaning behind curtains Different ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: No
Remote camera access ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
Night vision LED ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
AI intelligent cleaning Different ?	Dreame L40 Ultra: Yes, CleanGenius 2.0	Dreame X40 Ultra: Yes, CleanGenius 2.0	Roborock Qrevo Curv: Yes, SmartPlan 2.0
AI stain recognition Different ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: No
CPU / Algorithm Different ?	Dreame L40 Ultra: AI Sage 11.0 Quad-core	Dreame X40 Ultra: AI Sage 11.0 Quad-core	Roborock Qrevo Curv: RR Mason 11.0

Advanced Features

Dreame L40 Ultra

Dreame X40 Ultra

Roborock Qrevo Curv

Ability to overcome steps Different ?	Dreame L40 Ultra: 22 mm	Dreame X40 Ultra: 22 mm	Roborock Qrevo Curv: Single step 30 mm - Double step 40 mm
Robotic arm ?	Dreame L40 Ultra: No	Dreame X40 Ultra: No	Roborock Qrevo Curv: No
Integrated own voice assistant Different ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: No	Roborock Qrevo Curv: Sí
Compatible with voice assistants (Alexa, Google Home...) ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí
Matter compatible ?	Dreame L40 Ultra: Sí	Dreame X40 Ultra: Sí	Roborock Qrevo Curv: Sí

Robot Tanks

Dreame L40 Ultra

Dreame X40 Ultra

Roborock Qrevo Curv

Robot dust bin Different ?	Dreame L40 Ultra: 300 ml	Dreame X40 Ultra: 300 ml	Roborock Qrevo Curv: 325 ml
Robot water tank ?	Dreame L40 Ultra: 80 ml	Dreame X40 Ultra: 80 ml	Roborock Qrevo Curv: 80 ml

Robot Dimensions

Dreame L40 Ultra

Dreame X40 Ultra

Roborock Qrevo Curv

Robot diameter Different ?	Dreame L40 Ultra: 350 mm	Dreame X40 Ultra: 350 mm	Roborock Qrevo Curv: 352 mm
Robot height Different ?	Dreame L40 Ultra: 103.8 mm	Dreame X40 Ultra: 97 mm	Roborock Qrevo Curv: 103 mm

Base Dimensions

Dreame L40 Ultra

Dreame X40 Ultra

Roborock Qrevo Curv

Base width Different ?	Dreame L40 Ultra: 340 mm	Dreame X40 Ultra: 340 mm	Roborock Qrevo Curv: 450 mm
Base height Different ?	Dreame L40 Ultra: 590.5 mm	Dreame X40 Ultra: 590.5 mm	Roborock Qrevo Curv: 450 mm
Base depth Different ?	Dreame L40 Ultra: 456.7 mm	Dreame X40 Ultra: 456.7 mm	Roborock Qrevo Curv: 450 mm