Comparison

Dreame L40s Pro Ultra vs Dreame L50 Pro Ultra vs Roborock Qrevo CurvX

Detailed Technical Comparison

Best value for money

Dreame L40s Pro Ultra

8.1
Overall score
Price on Amazon
488,40€
View on Amazon
Best Score

Dreame L50 Pro Ultra

8.3
Overall score
Price on Amazon
599,00€
View on Amazon

Roborock Qrevo CurvX

7.8
Overall score
Price on Amazon
799,00€
View on Amazon

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
Value for money · Excelente · 🟢 Mejor compra 9.7
Dreame L50 Pro Ultra
Overall score 8.3
Power and Battery 6.8
Brushing System 7.9
Mopping System 7.8
Cleaning Base 7.8
Navigation and Intelligence 9.4
Value for money · Excelente · 🟢 Mejor compra 9.2
Roborock Qrevo CurvX
Overall score 7.8
Power and Battery 7.0
Brushing System 6.7
Mopping System 7.1
Cleaning Base 7.0
Navigation and Intelligence 7.9
Value for money · Muy buena · 🔵 Buen precio para su gama 5.7

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Brand Different
?
Dreame L40s Pro Ultra: Dreame Dreame L50 Pro Ultra: Dreame Roborock Qrevo CurvX: Roborock
Release date
?
Dreame L40s Pro Ultra: 2025 Dreame L50 Pro Ultra: 2025 Roborock Qrevo CurvX: 2025

Power and Battery

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Suction power Different
?
Dreame L40s Pro Ultra: 19.000 Pa Dreame L50 Pro Ultra: 19.500 Pa Roborock Qrevo CurvX: 22.000 Pa
Battery capacity Different
?
Dreame L40s Pro Ultra: 5.200 mAh Dreame L50 Pro Ultra: 6.400 mAh Roborock Qrevo CurvX: 6.400 mAh
Declared runtime Different
?
Dreame L40s Pro Ultra: 220 min Dreame L50 Pro Ultra: 200 min Roborock Qrevo CurvX: 220 min
Fast battery charging
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí

Brushing System

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Main brush Different
?
Dreame L40s Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush Dreame L50 Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush Roborock Qrevo CurvX: DuoDivide Anti-Tangle Hair Brush
Liftable main brush
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Liftable side brush Different
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: No
Extendable side brush
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Anti-tangle side brush
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Skirting board brush
?
Dreame L40s Pro Ultra: No Dreame L50 Pro Ultra: No Roborock Qrevo CurvX: No

Mopping System

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Mopping type Different
?
Dreame L40s Pro Ultra: Two Rotating Mops 180 RPM Dreame L50 Pro Ultra: Two Rotating Mops 180 RPM Roborock Qrevo CurvX: Two Rotating Mops 200 RPM 12N
Mop extension Different
?
Dreame L40s Pro Ultra: Yes, with RoboSwing movement Dreame L50 Pro Ultra: Yes, with RoboSwing movement Roborock Qrevo CurvX: Sí
Mop lifting Different
?
Dreame L40s Pro Ultra: Yes, 10.5 mm Dreame L50 Pro Ultra: Yes, 10.5 mm Roborock Qrevo CurvX: Yes, 7-17 mm
Floor mopping temperature
?
Dreame L40s Pro Ultra: Cold water Dreame L50 Pro Ultra: Cold water Roborock Qrevo CurvX: Cold water
Remove mops at base Different
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: No
Mop dirt detection
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Floor dirt detection
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí

Cleaning Base

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Auto-emptying of dust bin
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Mop washing Different
?
Dreame L40s Pro Ultra: Yes, with hot water at 75°C Dreame L50 Pro Ultra: Yes, with hot water at 75°C Roborock Qrevo CurvX: Yes, with hot water at 80°C
Mop drying
?
Dreame L40s Pro Ultra: Yes, with hot air at 45°C Dreame L50 Pro Ultra: Yes, with hot air at 45°C Roborock Qrevo CurvX: Yes, with hot air at 45°C
Washing tray self-cleaning Different
?
Dreame L40s Pro Ultra: Yes, 3rd generation Dreame L50 Pro Ultra: Yes, 3rd generation Roborock Qrevo CurvX: Yes, 3.0
UV disinfection
?
Dreame L40s Pro Ultra: No Dreame L50 Pro Ultra: No Roborock Qrevo CurvX: No
Detergent tank Different
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: No
Automatic mop changing
?
Dreame L40s Pro Ultra: No Dreame L50 Pro Ultra: No Roborock Qrevo CurvX: No
Dust bag capacity Different
?
Dreame L40s Pro Ultra: 3.2 L Dreame L50 Pro Ultra: 3.2 L Roborock Qrevo CurvX: 2.5 L
Clean water tank Different
?
Dreame L40s Pro Ultra: 4.5 L Dreame L50 Pro Ultra: 4.5 L Roborock Qrevo CurvX: 4 L
Dirty water tank Different
?
Dreame L40s Pro Ultra: 4 L Dreame L50 Pro Ultra: 4 L Roborock Qrevo CurvX: 3 L
Plumbing connection kit Different
?
Dreame L40s Pro Ultra: Yes (purchased separately) Dreame L50 Pro Ultra: Yes (purchased separately) Roborock Qrevo CurvX: No
Integrated plumbing connection
?
Dreame L40s Pro Ultra: No Dreame L50 Pro Ultra: No Roborock Qrevo CurvX: No

Navigation and Intelligence

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Navigation system Different
?
Dreame L40s Pro Ultra: 360° LiDAR turret Dreame L50 Pro Ultra: 360° Retractable LiDAR Roborock Qrevo CurvX: 360° Retractable LiDAR
Obstacle avoidance
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
AI camera
?
Dreame L40s Pro Ultra: Yes, dual Dreame L50 Pro Ultra: Yes, dual Roborock Qrevo CurvX: Yes, dual
Front 3D laser sensor
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
No. of recognised obstacles Different
?
Dreame L40s Pro Ultra: 180 Dreame L50 Pro Ultra: 180 Roborock Qrevo CurvX: 108
Pet recognition
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Cleaning behind curtains Different
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: No
Remote camera access
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Night vision LED
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
AI intelligent cleaning Different
?
Dreame L40s Pro Ultra: Yes, CleanGenius 2.0 Dreame L50 Pro Ultra: Yes, CleanGenius 2.0 Roborock Qrevo CurvX: Yes, SmartPlan 2.0
AI stain recognition Different
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: No
CPU / Algorithm Different
?
Dreame L40s Pro Ultra: ? Dreame L50 Pro Ultra: AI Sage 13.0 Octa-core Roborock Qrevo CurvX: RR Mason 11.0

Advanced Features

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Ability to overcome steps Different
?
Dreame L40s Pro Ultra: Single step 22 mm - Double step 40 mm Dreame L50 Pro Ultra: Single step 22 mm - Double step 40 mm Roborock Qrevo CurvX: Single step 30 mm - Double step 40 mm
Robotic arm
?
Dreame L40s Pro Ultra: No Dreame L50 Pro Ultra: No Roborock Qrevo CurvX: No
Integrated own voice assistant
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Compatible with voice assistants (Alexa, Google Home...)
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Matter compatible Different
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Yes, via OTA update Roborock Qrevo CurvX: Sí

Robot Tanks

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Robot dust bin Different
?
Dreame L40s Pro Ultra: 300 ml Dreame L50 Pro Ultra: 395 ml Roborock Qrevo CurvX: 258 ml
Robot water tank Different
?
Dreame L40s Pro Ultra: 80 ml Dreame L50 Pro Ultra: 80 ml Roborock Qrevo CurvX: 69 ml

Robot Dimensions

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Robot diameter Different
?
Dreame L40s Pro Ultra: 350 mm Dreame L50 Pro Ultra: 350 mm Roborock Qrevo CurvX: 353 mm
Robot height Different
?
Dreame L40s Pro Ultra: 103.8 mm Dreame L50 Pro Ultra: 89 mm Roborock Qrevo CurvX: 79.8 mm

Base Dimensions

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Base width Different
?
Dreame L40s Pro Ultra: 340 mm Dreame L50 Pro Ultra: 340 mm Roborock Qrevo CurvX: 450 mm
Base height Different
?
Dreame L40s Pro Ultra: 590.5 mm Dreame L50 Pro Ultra: 590.5 mm Roborock Qrevo CurvX: 450 mm
Base depth Different
?
Dreame L40s Pro Ultra: 456.7 mm Dreame L50 Pro Ultra: 456.7 mm Roborock Qrevo CurvX: 450 mm

Already decided which one to buy?

Buy directly on Amazon and receive it in 24-48h with Prime delivery

Best value for money Dreame L40s Pro Ultra 488,40€ Best Score Dreame L50 Pro Ultra 599,00€ Roborock Qrevo CurvX 799,00€

Have questions about which robot to choose?

Join our Telegram community where we answer all your questions about robot vacuum cleaners

Join Telegram Group

Ready to buy?

Take advantage of current Amazon prices with Prime delivery

Best value for money Dreame L40s Pro Ultra 488,40€ Best Score Dreame L50 Pro Ultra 599,00€ Roborock Qrevo CurvX 799,00€

Want to compare these robots with other models?

View Comparison

Comparisons in Similar Range

Roborock Qrevo Edge 2 vs Roborock Qrevo Edge 2 Flow

→

Roborock Qrevo Curv 2 Flow vs Roborock Qrevo Curv 2 Pro

→

Dreame L40s Pro Ultra vs Xiaomi Robot Vacuum 5 Pro vs Dreame X40 Ultra

→

Dreame Aqua 10 Ultra Roller vs Mova V50 Ultra

→

Ecovacs Deebot T90 Pro Omni vs Roborock Qrevo Curv 2 Flow

→

Dreame Aqua 10 Ultra Roller vs Ecovacs Deebot T90 Pro Omni

→

Robots in Similar Price Range

Roborock Roborock Qrevo Edge 2 Flow

→

Roborock Roborock S8 MaxV Ultra

→

Roborock Roborock Qrevo Slim

→

Dreame Dreame L60 Ultra CE

→

Roborock Roborock Qrevo Curv 2 Pro

→

Dreame Dreame L50s Pro Ultra

→

Most Popular Comparisons

#1
Roborock
VS

Roborock Saros 20 vs Roborock Saros 20 Neo

→
#2
Roborock
VS

Roborock Saros 20 Neo vs Roborock Saros 20 Sonic

→
#3
Roborock
VS

Roborock Qrevo Edge 2 vs Roborock Qrevo Edge 2 Flow

→
#4
Dreame
Roborock
VS

Dreame L40 Ultra AE vs Roborock Qrevo S5V

→
#5
Dreame
VS

Dreame Aqua20 Pro Ultra Roller X Complete vs Dreame X60 Pro Ultra

→
#6
Dreame
VS

Dreame L10s Ultra Gen 3 vs Dreame L40 Ultra AE

→
#7
Roborock
VS

Roborock Saros 20 vs Roborock Saros 20 Sonic

→
#8
Roborock
VS

Roborock Qrevo Curv 2 Flow vs Roborock Qrevo Curv 2 Pro

→
#9
Dreame
VS

Dreame Aqua 10 Ultra Roller vs Dreame Aqua10 Ultra Track Complete

→
#10
Dreame
Xiaomi
VS VS

Dreame L40s Pro Ultra vs Xiaomi Robot Vacuum 5 Pro vs Dreame X40 Ultra

→
#11
Dreame
VS

Dreame L40 Ultra A vs Dreame L40 Ultra AE

→
#12
Dreame
Mova
VS

Dreame Aqua 10 Ultra Roller vs Mova V50 Ultra

→

Ready to get the Dreame L40s Pro Ultra o el Dreame L50 Pro Ultra?

Get them now at the best price on Amazon

Buy Dreame L40s Pro Ultra 488,40€ Buy Dreame L50 Pro Ultra 599,00€ Buy Roborock Qrevo CurvX 799,00€

As an Amazon Associate, I earn from qualifying purchases.