Comparison

Dreame L40s Pro Ultra vs Dreame X40 Ultra vs Roborock Qrevo Master

Detailed Technical Comparison

Best Score

Dreame L40s Pro Ultra

8.1
Overall score
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Dreame X40 Ultra

7.5
Overall score
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Roborock Qrevo Master

6.8
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 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
Roborock Qrevo Master
Overall score 6.8
Power and Battery 5.0
Brushing System 5.7
Mopping System 6.7
Cleaning Base 6.4
Navigation and Intelligence 7.3

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40s Pro Ultra
Dreame X40 Ultra
Roborock Qrevo Master
Brand Different
?
Dreame L40s Pro Ultra: Dreame Dreame X40 Ultra: Dreame Roborock Qrevo Master: Roborock
Release date Different
?
Dreame L40s Pro Ultra: 2025 Dreame X40 Ultra: 2024 Roborock Qrevo Master: 2024

Power and Battery

Dreame L40s Pro Ultra
Dreame X40 Ultra
Roborock Qrevo Master
Suction power Different
?
Dreame L40s Pro Ultra: 19.000 Pa Dreame X40 Ultra: 12.000 Pa Roborock Qrevo Master: 10.000 Pa
Battery capacity Different
?
Dreame L40s Pro Ultra: 5.200 mAh Dreame X40 Ultra: 6.400 mAh Roborock Qrevo Master: 5.200 mAh
Declared runtime Different
?
Dreame L40s Pro Ultra: 220 min Dreame X40 Ultra: 194 min Roborock Qrevo Master: 180 mins
Fast battery charging
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí

Brushing System

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

Mopping System

Dreame L40s Pro Ultra
Dreame X40 Ultra
Roborock Qrevo Master
Mopping type Different
?
Dreame L40s Pro Ultra: Two Rotating Mops 180 RPM Dreame X40 Ultra: Two Rotating Mops 180 RPM Roborock Qrevo Master: Rotating Mops 200RPM
Mop extension Different
?
Dreame L40s Pro Ultra: Yes, with RoboSwing movement Dreame X40 Ultra: Yes, with RoboSwing movement Roborock Qrevo Master: Sí
Mop lifting Different
?
Dreame L40s Pro Ultra: Yes, 0.4 in (10.5 mm) Dreame X40 Ultra: Yes, 0.4 in (10.5 mm) Roborock Qrevo Master: Yes, 0.4 in (10 mm)
Floor mopping temperature
?
Dreame L40s Pro Ultra: Cold water Dreame X40 Ultra: Cold water Roborock Qrevo Master: Cold water
Remove mops at base Different
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: No
Mop dirt detection
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí
Floor dirt detection
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí

Cleaning Base

Dreame L40s Pro Ultra
Dreame X40 Ultra
Roborock Qrevo Master
Auto-emptying of dust bin
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí
Mop washing Different
?
Dreame L40s Pro Ultra: Yes, with hot water at 167 °F (75°C) Dreame X40 Ultra: Yes, with hot water at 158 °F (70°C) Roborock Qrevo Master: Yes, with hot water at 140 °F (60°C)
Mop drying
?
Dreame L40s Pro Ultra: Yes, with hot air at 113 °F (45°C) Dreame X40 Ultra: Yes, with hot air at 113 °F (45°C) Roborock Qrevo Master: Yes, with hot air at 113 °F (45°C)
Washing tray self-cleaning Different
?
Dreame L40s Pro Ultra: Yes, 3rd generation Dreame X40 Ultra: Yes, 2nd generation Roborock Qrevo Master: Yes, 1.0
UV disinfection
?
Dreame L40s Pro Ultra: No Dreame X40 Ultra: No Roborock Qrevo Master: No
Detergent tank Different
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: No
Automatic mop changing
?
Dreame L40s Pro Ultra: No Dreame X40 Ultra: No Roborock Qrevo Master: No
Dust bag capacity Different
?
Dreame L40s Pro Ultra: 3.2 L Dreame X40 Ultra: 3.2 L Roborock Qrevo Master: 2.7 L
Clean water tank Different
?
Dreame L40s Pro Ultra: 4.5 L Dreame X40 Ultra: 4.5 L Roborock Qrevo Master: 4 L
Dirty water tank Different
?
Dreame L40s Pro Ultra: 4 L Dreame X40 Ultra: 4 L Roborock Qrevo Master: 3.5 L
Plumbing connection kit Different
?
Dreame L40s Pro Ultra: Yes (purchased separately) Dreame X40 Ultra: Yes (purchased separately) Roborock Qrevo Master: No
Integrated plumbing connection
?
Dreame L40s Pro Ultra: No Dreame X40 Ultra: No Roborock Qrevo Master: No

Navigation and Intelligence

Dreame L40s Pro Ultra
Dreame X40 Ultra
Roborock Qrevo Master
Navigation system
?
Dreame L40s Pro Ultra: 360° LiDAR turret Dreame X40 Ultra: 360° LiDAR turret Roborock Qrevo Master: 360° LiDAR turret
Obstacle avoidance
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí
AI camera
?
Dreame L40s Pro Ultra: Yes, dual Dreame X40 Ultra: Yes, dual Roborock Qrevo Master: Yes, dual
Front 3D laser sensor
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí
No. of recognised obstacles Different
?
Dreame L40s Pro Ultra: 180 Dreame X40 Ultra: 120 Roborock Qrevo Master: 62
Pet recognition
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí
Cleaning behind curtains Different
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: No
Remote camera access
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí
Night vision LED
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí
AI intelligent cleaning Different
?
Dreame L40s Pro Ultra: Yes, CleanGenius 2.0 Dreame X40 Ultra: Yes, CleanGenius 2.0 Roborock Qrevo Master: Yes, SmartPlan 1.0
AI stain recognition Different
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: No
CPU / Algorithm Different
?
Dreame L40s Pro Ultra: ? Dreame X40 Ultra: AI Sage 11.0 Quad-core Roborock Qrevo Master: RR Mason 11.0

Advanced Features

Dreame L40s Pro Ultra
Dreame X40 Ultra
Roborock Qrevo Master
Ability to overcome steps Different
?
Dreame L40s Pro Ultra: Single step 0.9 in (22 mm) - Double step 40 mm Dreame X40 Ultra: 0.9 in (22 mm) Roborock Qrevo Master: 0.8 in (20 mm)
Robotic arm
?
Dreame L40s Pro Ultra: No Dreame X40 Ultra: No Roborock Qrevo Master: No
Integrated own voice assistant Different
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: No Roborock Qrevo Master: Sí
Compatible with voice assistants (Alexa, Google Home...)
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí
Matter compatible
?
Dreame L40s Pro Ultra: Sí Dreame X40 Ultra: Sí Roborock Qrevo Master: Sí

Robot Tanks

Dreame L40s Pro Ultra
Dreame X40 Ultra
Roborock Qrevo Master
Robot dust bin Different
?
Dreame L40s Pro Ultra: 300 ml Dreame X40 Ultra: 300 ml Roborock Qrevo Master: 220 ml
Robot water tank
?
Dreame L40s Pro Ultra: 2.7 fl oz (80 ml) Dreame X40 Ultra: 2.7 fl oz (80 ml) Roborock Qrevo Master: 2.7 fl oz (80 ml)

Robot Dimensions

Dreame L40s Pro Ultra
Dreame X40 Ultra
Roborock Qrevo Master
Robot diameter Different
?
Dreame L40s Pro Ultra: 350 mm Dreame X40 Ultra: 350 mm Roborock Qrevo Master: 353 mm
Robot height Different
?
Dreame L40s Pro Ultra: 103.8 mm Dreame X40 Ultra: 97 mm Roborock Qrevo Master: 103 mm

Base Dimensions

Dreame L40s Pro Ultra
Dreame X40 Ultra
Roborock Qrevo Master
Base width
?
Dreame L40s Pro Ultra: 340 mm Dreame X40 Ultra: 340 mm Roborock Qrevo Master: 340 mm
Base height Different
?
Dreame L40s Pro Ultra: 590.5 mm Dreame X40 Ultra: 590.5 mm Roborock Qrevo Master: 521 mm
Base depth Different
?
Dreame L40s Pro Ultra: 456.7 mm Dreame X40 Ultra: 456.7 mm Roborock Qrevo Master: 487 mm

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