Comparison

Dreame L40 Ultra A vs Dreame L50s Pro Ultra vs Roborock Qrevo S Pro

Detailed Technical Comparison

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Dreame L40 Ultra A

6,5

Overall score

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Best Score

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Dreame L50s Pro Ultra

8,2

Overall score

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Roborock Qrevo S Pro

6,0

Overall score

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Scores

Dreame L40 Ultra A

Overall score 6,5

Power and Battery 7,2

Brushing System 4,0

Mopping System 5,2

Cleaning Base 6,7

Navigation and Intelligence 5,5

Dreame L50s Pro Ultra

Overall score 8,2

Power and Battery 7,6

Brushing System 9,1

Mopping System 7,0

Cleaning Base 8,1

Navigation and Intelligence 9,2

Roborock Qrevo S Pro

Overall score 6,0

Power and Battery 6,4

Brushing System 3,3

Mopping System 3,8

Cleaning Base 6,1

Navigation and Intelligence 4,0

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40 Ultra A

Dreame L50s Pro Ultra

Roborock Qrevo S Pro

Brand Diferente ?	Dreame L40 Ultra A: Dreame	Dreame L50s Pro Ultra: Dreame	Roborock Qrevo S Pro: Roborock
Release date Diferente ?	Dreame L40 Ultra A: April 2026	Dreame L50s Pro Ultra: 2026	Roborock Qrevo S Pro: April 2026

Power and Battery

Dreame L40 Ultra A

Dreame L50s Pro Ultra

Roborock Qrevo S Pro

Suction power Diferente ?	Dreame L40 Ultra A: 24.000 Pa	Dreame L50s Pro Ultra: 30.000 Pa	Roborock Qrevo S Pro: 18.500 Pa
Battery capacity ?	Dreame L40 Ultra A: 5.200 mAh	Dreame L50s Pro Ultra: 5.200 mAh	Roborock Qrevo S Pro: 5.200 mAh
Runtime Diferente ?	Dreame L40 Ultra A: 230 min	Dreame L50s Pro Ultra: —	Roborock Qrevo S Pro: 180 mins

Brushing System

Dreame L40 Ultra A

Dreame L50s Pro Ultra

Roborock Qrevo S Pro

Main brush Diferente ?	Dreame L40 Ultra A: TriCut 3.0	Dreame L50s Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush	Roborock Qrevo S Pro: Simple Silicone Brush
Lifting main brush Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
Lifting side brush Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
Extendable side brush Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
Anti-tangle side brush ?	Dreame L40 Ultra A: Sí	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: Sí
Cepillo para zocalos ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: No	Roborock Qrevo S Pro: No

Mopping System

Dreame L40 Ultra A

Dreame L50s Pro Ultra

Roborock Qrevo S Pro

Mopping type Diferente ?	Dreame L40 Ultra A: Two Rotating Mops 180 RPM	Dreame L50s Pro Ultra: Two Rotating Mops 180 RPM	Roborock Qrevo S Pro: Two Rotating Mops 200 RPM
Mop extension Diferente ?	Dreame L40 Ultra A: Yes, with RoboSwing movement	Dreame L50s Pro Ultra: Yes, with RoboSwing movement	Roborock Qrevo S Pro: No
Mop lifting Diferente ?	Dreame L40 Ultra A: Yes, 10.5 mm	Dreame L50s Pro Ultra: Yes, 10.5 mm	Roborock Qrevo S Pro: Yes, 10 mm
Floor mopping temperature ?	Dreame L40 Ultra A: Cold water	Dreame L50s Pro Ultra: Cold water	Roborock Qrevo S Pro: Cold water
Detach mops at base Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
Mop dirt detection Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
Floor dirt detection Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No

Cleaning Base

Dreame L40 Ultra A

Dreame L50s Pro Ultra

Roborock Qrevo S Pro

Auto-emptying dust bin ?	Dreame L40 Ultra A: Sí	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: Sí
Mop washing Diferente ?	Dreame L40 Ultra A: Yes, with cold water	Dreame L50s Pro Ultra: Yes, with hot water at 100°C	Roborock Qrevo S Pro: Yes, with hot water at 75°C
Mop drying ?	Dreame L40 Ultra A: Yes, with hot air at 45°C	Dreame L50s Pro Ultra: Yes, with hot air at 45°C	Roborock Qrevo S Pro: Yes, with hot air at 45°C
Self-cleaning wash tray Diferente ?	Dreame L40 Ultra A: Yes, 3rd generation	Dreame L50s Pro Ultra: Yes, 3rd generation	Roborock Qrevo S Pro: No
UV disinfection ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: No	Roborock Qrevo S Pro: No
Detergent tank Diferente ?	Dreame L40 Ultra A: Optional (Sold separately)	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
Automatic mop changing ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: No	Roborock Qrevo S Pro: No
Dust bag capacity Diferente ?	Dreame L40 Ultra A: 3.2 L	Dreame L50s Pro Ultra: 3.2 L	Roborock Qrevo S Pro: 2.7 L
Clean water tank Diferente ?	Dreame L40 Ultra A: 4.5 L	Dreame L50s Pro Ultra: 4.5 L	Roborock Qrevo S Pro: 4 L
Dirty water tank Diferente ?	Dreame L40 Ultra A: 4 L	Dreame L50s Pro Ultra: 4 L	Roborock Qrevo S Pro: 3.5 L
Plumbing connection kit Diferente ?	Dreame L40 Ultra A: Yes (purchased separately)	Dreame L50s Pro Ultra: Yes (purchased separately)	Roborock Qrevo S Pro: No
Integrated plumbing connection ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: No	Roborock Qrevo S Pro: No

Navigation and Intelligence

Dreame L40 Ultra A

Dreame L50s Pro Ultra

Roborock Qrevo S Pro

Navigation system ?	Dreame L40 Ultra A: 360° LiDAR turret	Dreame L50s Pro Ultra: 360° LiDAR turret	Roborock Qrevo S Pro: 360° LiDAR turret
Obstacle avoidance ?	Dreame L40 Ultra A: Sí	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: Sí
AI camera Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Yes, dual	Roborock Qrevo S Pro: No
Front 3D laser sensor Diferente ?	Dreame L40 Ultra A: Sí	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
No. of recognised obstacles Diferente ?	Dreame L40 Ultra A: ?	Dreame L50s Pro Ultra: 220	Roborock Qrevo S Pro: ?
Pet recognition Diferente ?	Dreame L40 Ultra A: Sí	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
Curtain detection Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
Remote camera access Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
Night vision LED Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
AI intelligent cleaning Diferente ?	Dreame L40 Ultra A: Yes, CleanGenius 3.0	Dreame L50s Pro Ultra: Yes, CleanGenius 3.0	Roborock Qrevo S Pro: Yes, SmartPlan 2.0
AI stain recognition Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
CPU / Algorithm ?	Dreame L40 Ultra A: ?	Dreame L50s Pro Ultra: ?	Roborock Qrevo S Pro: ?

Advanced Features

Dreame L40 Ultra A

Dreame L50s Pro Ultra

Roborock Qrevo S Pro

Step-climbing ability Diferente ?	Dreame L40 Ultra A: 20 mm	Dreame L50s Pro Ultra: Single step 22 mm - Double step 40 mm	Roborock Qrevo S Pro: 20 mm
Robotic arm ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: No	Roborock Qrevo S Pro: No
Built-in voice assistant Diferente ?	Dreame L40 Ultra A: No	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: No
External voice assistant (Alexa, Google Home...) ?	Dreame L40 Ultra A: Sí	Dreame L50s Pro Ultra: Sí	Roborock Qrevo S Pro: Sí

Robot Tanks

Dreame L40 Ultra A

Dreame L50s Pro Ultra

Roborock Qrevo S Pro

Robot dust bin Diferente ?	Dreame L40 Ultra A: 300 ml	Dreame L50s Pro Ultra: 250 ml	Roborock Qrevo S Pro: 330 ml
Robot water tank ?	Dreame L40 Ultra A: 80 ml	Dreame L50s Pro Ultra: 80 ml	Roborock Qrevo S Pro: 80 ml

Robot Dimensions

Dreame L40 Ultra A

Dreame L50s Pro Ultra

Roborock Qrevo S Pro

Robot diameter Diferente ?	Dreame L40 Ultra A: 350 mm	Dreame L50s Pro Ultra: 350 mm	Roborock Qrevo S Pro: 353 mm
Robot height Diferente ?	Dreame L40 Ultra A: 97 mm	Dreame L50s Pro Ultra: 103.8 mm	Roborock Qrevo S Pro: 96.5 mm

Base Dimensions

Dreame L40 Ultra A

Dreame L50s Pro Ultra

Roborock Qrevo S Pro

Base width ?	Dreame L40 Ultra A: 340 mm	Dreame L50s Pro Ultra: 340 mm	Roborock Qrevo S Pro: 340 mm
Base height Diferente ?	Dreame L40 Ultra A: 590 mm	Dreame L50s Pro Ultra: 590 mm	Roborock Qrevo S Pro: 519 mm
Base depth Diferente ?	Dreame L40 Ultra A: 457 mm	Dreame L50s Pro Ultra: 457 mm	Roborock Qrevo S Pro: 487 mm