Comparison

Dreame L40s Pro Ultra vs Dreame L50s Pro Ultra vs Dreame X50s Ultra

Detailed Technical Comparison

Best value for money

Dreame L40s Pro Ultra

8.1
Overall score
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Dreame L50s Pro Ultra

8.2
Overall score
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Best Score

Dreame X50s Ultra

9.0
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 L50s Pro Ultra
Overall score 8.2
Power and Battery 7.2
Brushing System 7.9
Mopping System 6.9
Cleaning Base 8.4
Navigation and Intelligence 9.1
Dreame X50s Ultra
Overall score 9.0
Power and Battery 8.5
Brushing System 7.9
Mopping System 9.2
Cleaning Base 8.6
Navigation and Intelligence 9.8

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40s Pro Ultra
Dreame L50s Pro Ultra
Dreame X50s Ultra
Brand
?
Dreame L40s Pro Ultra: Dreame Dreame L50s Pro Ultra: Dreame Dreame X50s Ultra: Dreame
Release date Different
?
Dreame L40s Pro Ultra: 2025 Dreame L50s Pro Ultra: 2026 Dreame X50s Ultra: May 2026
Número de modelo Different
?
Dreame L40s Pro Ultra: — Dreame L50s Pro Ultra: — Dreame X50s Ultra: RLX92DE

Power and Battery

Dreame L40s Pro Ultra
Dreame L50s Pro Ultra
Dreame X50s Ultra
Suction power Different
?
Dreame L40s Pro Ultra: 19.000 Pa Dreame L50s Pro Ultra: 30.000 Pa Dreame X50s Ultra: 35.000 Pa
Battery capacity Different
?
Dreame L40s Pro Ultra: 5.200 mAh Dreame L50s Pro Ultra: 5.200 mAh Dreame X50s Ultra: 6.400 mAh
Declared runtime Different
?
Dreame L40s Pro Ultra: 220 min Dreame L50s Pro Ultra: — Dreame X50s Ultra: 186 min
Fast battery charging
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí

Brushing System

Dreame L40s Pro Ultra
Dreame L50s Pro Ultra
Dreame X50s Ultra
Main brush Different
?
Dreame L40s Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush Dreame L50s Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush Dreame X50s Ultra: Dual HyperStream 2.0 Anti-Tangle Brush
Liftable main brush
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Liftable side brush
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Extendable side brush
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Anti-tangle side brush
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Skirting board brush
?
Dreame L40s Pro Ultra: No Dreame L50s Pro Ultra: No Dreame X50s Ultra: No

Mopping System

Dreame L40s Pro Ultra
Dreame L50s Pro Ultra
Dreame X50s Ultra
Mopping type Different
?
Dreame L40s Pro Ultra: Two Rotating Mops 180 RPM Dreame L50s Pro Ultra: Two Rotating Mops 180 RPM Dreame X50s Ultra: Two Rotating Mops 200 RPM 15N
Mop extension
?
Dreame L40s Pro Ultra: Yes, with RoboSwing movement Dreame L50s Pro Ultra: Yes, with RoboSwing movement Dreame X50s Ultra: Yes, with RoboSwing movement
Mop lifting
?
Dreame L40s Pro Ultra: Yes, 0.4 in (10.5 mm) Dreame L50s Pro Ultra: Yes, 0.4 in (10.5 mm) Dreame X50s Ultra: Yes, 0.4 in (10.5 mm)
Floor mopping temperature Different
?
Dreame L40s Pro Ultra: Cold water Dreame L50s Pro Ultra: Cold water Dreame X50s Ultra: Hot Water 104 °F (40°C)
Remove mops at base
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Mop dirt detection
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Floor dirt detection
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí

Cleaning Base

Dreame L40s Pro Ultra
Dreame L50s Pro Ultra
Dreame X50s Ultra
Auto-emptying of dust bin
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Mop washing Different
?
Dreame L40s Pro Ultra: Yes, with hot water at 167 °F (75°C) Dreame L50s Pro Ultra: Yes, with hot water at 212 °F (100°C) Dreame X50s Ultra: Yes, with hot water at 212 °F (100°C)
Mop drying Different
?
Dreame L40s Pro Ultra: Yes, with hot air at 113 °F (45°C) Dreame L50s Pro Ultra: Yes, with hot air at 113 °F (45°C) Dreame X50s Ultra: Yes, with hot air
Washing tray self-cleaning
?
Dreame L40s Pro Ultra: Yes, 3rd generation Dreame L50s Pro Ultra: Yes, 3rd generation Dreame X50s Ultra: Yes, 3rd generation
UV disinfection
?
Dreame L40s Pro Ultra: No Dreame L50s Pro Ultra: No Dreame X50s Ultra: No
Detergent tank
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Automatic mop changing
?
Dreame L40s Pro Ultra: No Dreame L50s Pro Ultra: No Dreame X50s Ultra: No
Dust bag capacity
?
Dreame L40s Pro Ultra: 3.2 L Dreame L50s Pro Ultra: 3.2 L Dreame X50s Ultra: 3.2 L
Clean water tank Different
?
Dreame L40s Pro Ultra: 4.5 L Dreame L50s Pro Ultra: 4.5 L Dreame X50s Ultra: 4.2 L
Dirty water tank Different
?
Dreame L40s Pro Ultra: 4 L Dreame L50s Pro Ultra: 4 L Dreame X50s Ultra: 3 L
Plumbing connection kit
?
Dreame L40s Pro Ultra: Yes (purchased separately) Dreame L50s Pro Ultra: Yes (purchased separately) Dreame X50s Ultra: Yes (purchased separately)
Integrated plumbing connection
?
Dreame L40s Pro Ultra: No Dreame L50s Pro Ultra: No Dreame X50s Ultra: No

Navigation and Intelligence

Dreame L40s Pro Ultra
Dreame L50s Pro Ultra
Dreame X50s Ultra
Navigation system Different
?
Dreame L40s Pro Ultra: 360° LiDAR turret Dreame L50s Pro Ultra: 360° LiDAR turret Dreame X50s Ultra: 360° Retractable LiDAR
Obstacle avoidance Different
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Yes, with proactive lighting
AI camera Different
?
Dreame L40s Pro Ultra: Yes, dual Dreame L50s Pro Ultra: Yes, dual Dreame X50s Ultra: Yes, dual RGB
Front 3D laser sensor
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
No. of recognised obstacles Different
?
Dreame L40s Pro Ultra: 180 Dreame L50s Pro Ultra: 220 Dreame X50s Ultra: 280
Pet recognition
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Cleaning behind curtains
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Remote camera access
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Night vision LED
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
AI intelligent cleaning Different
?
Dreame L40s Pro Ultra: Yes, CleanGenius 2.0 Dreame L50s Pro Ultra: Yes, CleanGenius 3.0 Dreame X50s Ultra: Yes, CleanGenius 3.0
AI stain recognition
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
CPU / Algorithm
?
Dreame L40s Pro Ultra: ? Dreame L50s Pro Ultra: ? Dreame X50s Ultra: ?

Advanced Features

Dreame L40s Pro Ultra
Dreame L50s Pro Ultra
Dreame X50s Ultra
Ability to overcome steps Different
?
Dreame L40s Pro Ultra: Single step 0.9 in (22 mm) - Double step 40 mm Dreame L50s Pro Ultra: Single step 0.9 in (22 mm) - Double step 40 mm Dreame X50s Ultra: Single step 1.8 in (45 mm) - Double step 88 mm
Robotic arm
?
Dreame L40s Pro Ultra: No Dreame L50s Pro Ultra: No Dreame X50s Ultra: No
Integrated own voice assistant
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Compatible with voice assistants (Alexa, Google Home...)
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí
Matter compatible
?
Dreame L40s Pro Ultra: Sí Dreame L50s Pro Ultra: Sí Dreame X50s Ultra: Sí

Robot Tanks

Dreame L40s Pro Ultra
Dreame L50s Pro Ultra
Dreame X50s Ultra
Robot dust bin Different
?
Dreame L40s Pro Ultra: 300 ml Dreame L50s Pro Ultra: 250 ml Dreame X50s Ultra: 235 ml
Robot water tank Different
?
Dreame L40s Pro Ultra: 2.7 fl oz (80 ml) Dreame L50s Pro Ultra: 80 ml Dreame X50s Ultra: 80 ml

Robot Dimensions

Dreame L40s Pro Ultra
Dreame L50s Pro Ultra
Dreame X50s Ultra
Robot diameter Different
?
Dreame L40s Pro Ultra: 350 mm Dreame L50s Pro Ultra: 350 mm Dreame X50s Ultra: 352 mm
Robot height Different
?
Dreame L40s Pro Ultra: 103.8 mm Dreame L50s Pro Ultra: 103.8 mm Dreame X50s Ultra: 79.5 mm

Base Dimensions

Dreame L40s Pro Ultra
Dreame L50s Pro Ultra
Dreame X50s Ultra
Base width Different
?
Dreame L40s Pro Ultra: 340 mm Dreame L50s Pro Ultra: 340 mm Dreame X50s Ultra: 390 mm
Base height Different
?
Dreame L40s Pro Ultra: 590.5 mm Dreame L50s Pro Ultra: 590 mm Dreame X50s Ultra: 499 mm
Base depth Different
?
Dreame L40s Pro Ultra: 456.7 mm Dreame L50s Pro Ultra: 457 mm Dreame X50s Ultra: 423 mm

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