Comparison

Dreame L40s Pro Ultra vs Roborock Qrevo Curv 2 Pro vs Dreame X40 Ultra

Detailed Technical Comparison

Best value for money

Dreame L40s Pro Ultra

8,0
Overall score
View on Amazon View Specifications
Best Score

Roborock Qrevo Curv 2 Pro

8,1
Overall score
View on Amazon View Specifications

Dreame X40 Ultra

7,5
Overall score
View on Amazon View Specifications

Scores

Dreame L40s Pro Ultra
Overall score 8,0
Power and Battery 6,4
Brushing System 9,1
Mopping System 7,2
Cleaning Base 7,6
Navigation and Intelligence 9,1
Roborock Qrevo Curv 2 Pro
Overall score 8,1
Power and Battery 6,9
Brushing System 7,7
Mopping System 7,3
Cleaning Base 7,2
Navigation and Intelligence 8,9
Dreame X40 Ultra
Overall score 7,5
Power and Battery 6,2
Brushing System 7,9
Mopping System 7,2
Cleaning Base 7,4
Navigation and Intelligence 8,9

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40s Pro Ultra
Roborock Qrevo Curv 2 Pro
Dreame X40 Ultra
Brand Diferente
?
Dreame L40s Pro Ultra: Dreame Roborock Qrevo Curv 2 Pro: Roborock Dreame X40 Ultra: Dreame
Release date Diferente
?
Dreame L40s Pro Ultra: 2025 Roborock Qrevo Curv 2 Pro: 2025 Dreame X40 Ultra: 2024

Power and Battery

Dreame L40s Pro Ultra
Roborock Qrevo Curv 2 Pro
Dreame X40 Ultra
Suction power Diferente
?
Dreame L40s Pro Ultra: 19.000 Pa Roborock Qrevo Curv 2 Pro: 25.000 Pa Dreame X40 Ultra: 12.000 Pa
Battery capacity Diferente
?
Dreame L40s Pro Ultra: 5.200 mAh Roborock Qrevo Curv 2 Pro: 6.400 mAh Dreame X40 Ultra: 6.400 mAh
Declared runtime Diferente
?
Dreame L40s Pro Ultra: 220 min Roborock Qrevo Curv 2 Pro: 290 min Dreame X40 Ultra: 194 min
Fast battery charging Diferente
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: Sí

Brushing System

Dreame L40s Pro Ultra
Roborock Qrevo Curv 2 Pro
Dreame X40 Ultra
Main brush Diferente
?
Dreame L40s Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush Roborock Qrevo Curv 2 Pro: DuoDivide Anti-Tangle Hair Brush Dreame X40 Ultra: Simple Silicone Brush
Liftable main brush
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
Liftable side brush Diferente
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: Sí
Extendable side brush
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
Anti-tangle side brush
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
Skirting board brush
?
Dreame L40s Pro Ultra: No Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: No

Mopping System

Dreame L40s Pro Ultra
Roborock Qrevo Curv 2 Pro
Dreame X40 Ultra
Mopping type Diferente
?
Dreame L40s Pro Ultra: Two Rotating Mops 180 RPM Roborock Qrevo Curv 2 Pro: Two Rotating Mops 200 RPM 12N Dreame X40 Ultra: Two Rotating Mops 180 RPM
Mop extension Diferente
?
Dreame L40s Pro Ultra: Yes, with RoboSwing movement Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Yes, with RoboSwing movement
Mop lifting Diferente
?
Dreame L40s Pro Ultra: Yes, 10.5 mm Roborock Qrevo Curv 2 Pro: Yes, 7-17 mm Dreame X40 Ultra: Yes, 10.5 mm
Floor mopping temperature
?
Dreame L40s Pro Ultra: Cold water Roborock Qrevo Curv 2 Pro: Cold water Dreame X40 Ultra: Cold water
Remove mops at base
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
Mop dirt detection
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
Floor dirt detection
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
Steam mopping
?
Dreame L40s Pro Ultra: No Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: No

Cleaning Base

Dreame L40s Pro Ultra
Roborock Qrevo Curv 2 Pro
Dreame X40 Ultra
Auto-emptying of dust bin
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
Mop washing Diferente
?
Dreame L40s Pro Ultra: Yes, with hot water at 75°C Roborock Qrevo Curv 2 Pro: Yes, with hot water at 100°C Dreame X40 Ultra: Yes, with hot water at 70°C
Mop drying Diferente
?
Dreame L40s Pro Ultra: Yes, with hot air at 45°C Roborock Qrevo Curv 2 Pro: Yes, with hot air at 55ºC Dreame X40 Ultra: Yes, with hot air at 45°C
Washing tray self-cleaning Diferente
?
Dreame L40s Pro Ultra: Yes, 3rd generation Roborock Qrevo Curv 2 Pro: Yes, 3.0 Dreame X40 Ultra: Yes, 2nd generation
UV disinfection
?
Dreame L40s Pro Ultra: No Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: No
Detergent tank Diferente
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: Sí
Automatic mop changing
?
Dreame L40s Pro Ultra: No Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: No
Dust bag capacity Diferente
?
Dreame L40s Pro Ultra: 3.2 L Roborock Qrevo Curv 2 Pro: 2.5 L Dreame X40 Ultra: 3.2 L
Clean water tank Diferente
?
Dreame L40s Pro Ultra: 4.5 L Roborock Qrevo Curv 2 Pro: 4 L Dreame X40 Ultra: 4.5 L
Dirty water tank Diferente
?
Dreame L40s Pro Ultra: 4 L Roborock Qrevo Curv 2 Pro: 3 L Dreame X40 Ultra: 4 L
Plumbing connection kit Diferente
?
Dreame L40s Pro Ultra: Yes (purchased separately) Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: Yes (purchased separately)
Integrated plumbing connection
?
Dreame L40s Pro Ultra: No Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: No

Navigation and Intelligence

Dreame L40s Pro Ultra
Roborock Qrevo Curv 2 Pro
Dreame X40 Ultra
Navigation system Diferente
?
Dreame L40s Pro Ultra: 360° LiDAR turret Roborock Qrevo Curv 2 Pro: 360° Retractable LiDAR Dreame X40 Ultra: 360° LiDAR turret
Obstacle avoidance
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
AI camera
?
Dreame L40s Pro Ultra: Yes, dual Roborock Qrevo Curv 2 Pro: Yes, dual Dreame X40 Ultra: Yes, dual
Front 3D laser sensor
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
No. of recognised obstacles Diferente
?
Dreame L40s Pro Ultra: 180 Roborock Qrevo Curv 2 Pro: 200 Dreame X40 Ultra: 120
Pet recognition
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
Cleaning behind curtains Diferente
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: Sí
Remote camera access
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
Night vision LED
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
AI intelligent cleaning Diferente
?
Dreame L40s Pro Ultra: Yes, CleanGenius 2.0 Roborock Qrevo Curv 2 Pro: Yes, SmartPlan 3.0 Dreame X40 Ultra: Yes, CleanGenius 2.0
AI stain recognition
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
CPU / Algorithm Diferente
?
Dreame L40s Pro Ultra: ? Roborock Qrevo Curv 2 Pro: ? Dreame X40 Ultra: AI Sage 11.0 Quad-core

Advanced Features

Dreame L40s Pro Ultra
Roborock Qrevo Curv 2 Pro
Dreame X40 Ultra
Ability to overcome steps Diferente
?
Dreame L40s Pro Ultra: Single step 22 mm - Double step 40 mm Roborock Qrevo Curv 2 Pro: Single step 30 mm - Double step 40 mm Dreame X40 Ultra: 22 mm
Robotic arm
?
Dreame L40s Pro Ultra: No Roborock Qrevo Curv 2 Pro: No Dreame X40 Ultra: No
Integrated own voice assistant Diferente
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: No
Compatible with voice assistants (Alexa, Google Home...)
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Sí Dreame X40 Ultra: Sí
Matter compatible Diferente
?
Dreame L40s Pro Ultra: Sí Roborock Qrevo Curv 2 Pro: Yes, via OTA update Dreame X40 Ultra: Sí

Robot Tanks

Dreame L40s Pro Ultra
Roborock Qrevo Curv 2 Pro
Dreame X40 Ultra
Robot dust bin Diferente
?
Dreame L40s Pro Ultra: 300 ml Roborock Qrevo Curv 2 Pro: 245 ml Dreame X40 Ultra: 300 ml
Robot water tank Diferente
?
Dreame L40s Pro Ultra: 80 ml Roborock Qrevo Curv 2 Pro: 67 ml Dreame X40 Ultra: 80 ml

Robot Dimensions

Dreame L40s Pro Ultra
Roborock Qrevo Curv 2 Pro
Dreame X40 Ultra
Robot diameter Diferente
?
Dreame L40s Pro Ultra: 350 mm Roborock Qrevo Curv 2 Pro: 352 mm Dreame X40 Ultra: 350 mm
Robot height Diferente
?
Dreame L40s Pro Ultra: 103.8 mm Roborock Qrevo Curv 2 Pro: 79.8 mm Dreame X40 Ultra: 97 mm

Base Dimensions

Dreame L40s Pro Ultra
Roborock Qrevo Curv 2 Pro
Dreame X40 Ultra
Base width Diferente
?
Dreame L40s Pro Ultra: 340 mm Roborock Qrevo Curv 2 Pro: 450 mm Dreame X40 Ultra: 340 mm
Base height Diferente
?
Dreame L40s Pro Ultra: 590.5 mm Roborock Qrevo Curv 2 Pro: 450 mm Dreame X40 Ultra: 590.5 mm
Base depth Diferente
?
Dreame L40s Pro Ultra: 456.7 mm Roborock Qrevo Curv 2 Pro: 450 mm Dreame X40 Ultra: 456.7 mm

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Best value for money Dreame L40s Pro Ultra View on Amazon Best Score Roborock Qrevo Curv 2 Pro View on Amazon Dreame X40 Ultra View on Amazon

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