Comparison

Dreame L40 Ultra AE vs Dreame X40 Ultra vs Roborock S8 MaxV Ultra

Detailed Technical Comparison

Best value for money

Dreame L40 Ultra AE

6.7
Overall score
View on Amazon
Best Score

Dreame X40 Ultra

7.5
Overall score
View on Amazon

Roborock S8 MaxV Ultra

6.8
Overall score
View on Amazon

Scores

Dreame L40 Ultra AE
Overall score 6.7
Power and Battery 6.0
Brushing System 3.4
Mopping System 6.9
Cleaning Base 7.8
Navigation and Intelligence 7.3
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 S8 MaxV Ultra
Overall score 6.8
Power and Battery 5.0
Brushing System 5.0
Mopping System 6.6
Cleaning Base 6.9
Navigation and Intelligence 8.0

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40 Ultra AE
Dreame X40 Ultra
Roborock S8 MaxV Ultra
Brand Different
?
Dreame L40 Ultra AE: Dreame Dreame X40 Ultra: Dreame Roborock S8 MaxV Ultra: Roborock
Release date Different
?
Dreame L40 Ultra AE: 2025 Dreame X40 Ultra: 2024 Roborock S8 MaxV Ultra: 2024

Power and Battery

Dreame L40 Ultra AE
Dreame X40 Ultra
Roborock S8 MaxV Ultra
Suction power Different
?
Dreame L40 Ultra AE: 19.000 Pa Dreame X40 Ultra: 12.000 Pa Roborock S8 MaxV Ultra: 10.000 Pa
Battery capacity Different
?
Dreame L40 Ultra AE: 5.200 mAh Dreame X40 Ultra: 6.400 mAh Roborock S8 MaxV Ultra: 5.200 mAh
Declared runtime Different
?
Dreame L40 Ultra AE: — Dreame X40 Ultra: 194 min Roborock S8 MaxV Ultra: 180 min
Fast battery charging
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí

Brushing System

Dreame L40 Ultra AE
Dreame X40 Ultra
Roborock S8 MaxV Ultra
Main brush Different
?
Dreame L40 Ultra AE: TriCut 3.0 Dreame X40 Ultra: Simple Silicone Brush Roborock S8 MaxV Ultra: Dual Silicone Brush
Liftable main brush
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
Liftable side brush Different
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: No
Extendable side brush Different
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
Anti-tangle side brush Different
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: No
Skirting board brush
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: No Roborock S8 MaxV Ultra: No

Mopping System

Dreame L40 Ultra AE
Dreame X40 Ultra
Roborock S8 MaxV Ultra
Mopping type Different
?
Dreame L40 Ultra AE: Two Rotating Mops 180 RPM Dreame X40 Ultra: Two Rotating Mops 180 RPM Roborock S8 MaxV Ultra: Sonic Mopping VibraRise 3.0
Mop extension Different
?
Dreame L40 Ultra AE: Yes, with RoboSwing movement Dreame X40 Ultra: Yes, with RoboSwing movement Roborock S8 MaxV Ultra: Mini side mop
Mop lifting Different
?
Dreame L40 Ultra AE: Yes, 10.5 mm Dreame X40 Ultra: Yes, 10.5 mm Roborock S8 MaxV Ultra: Yes, 20 mm
Floor mopping temperature
?
Dreame L40 Ultra AE: Cold water Dreame X40 Ultra: Cold water Roborock S8 MaxV Ultra: Cold water
Remove mops at base Different
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: No
Mop dirt detection
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
Floor dirt detection
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí

Cleaning Base

Dreame L40 Ultra AE
Dreame X40 Ultra
Roborock S8 MaxV Ultra
Auto-emptying of dust bin
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
Mop washing Different
?
Dreame L40 Ultra AE: Yes, with hot water at 75°C Dreame X40 Ultra: Yes, with hot water at 70°C Roborock S8 MaxV Ultra: Yes, with hot water at 60°C
Mop drying Different
?
Dreame L40 Ultra AE: Yes, with hot air at 45°C Dreame X40 Ultra: Yes, with hot air at 45°C Roborock S8 MaxV Ultra: Yes, with hot air at 60°C
Washing tray self-cleaning Different
?
Dreame L40 Ultra AE: Yes, 2nd generation Dreame X40 Ultra: Yes, 2nd generation Roborock S8 MaxV Ultra: No
UV disinfection
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: No Roborock S8 MaxV Ultra: No
Detergent tank
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
Automatic mop changing
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: No Roborock S8 MaxV Ultra: No
Dust bag capacity Different
?
Dreame L40 Ultra AE: 3.2 L Dreame X40 Ultra: 3.2 L Roborock S8 MaxV Ultra: 2.5 L
Clean water tank Different
?
Dreame L40 Ultra AE: 4.5 L Dreame X40 Ultra: 4.5 L Roborock S8 MaxV Ultra: 4 L
Dirty water tank Different
?
Dreame L40 Ultra AE: 4 L Dreame X40 Ultra: 4 L Roborock S8 MaxV Ultra: 3.5 L
Plumbing connection kit Different
?
Dreame L40 Ultra AE: Yes (purchased separately) Dreame X40 Ultra: Yes (purchased separately) Roborock S8 MaxV Ultra: No
Integrated plumbing connection
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: No Roborock S8 MaxV Ultra: No

Navigation and Intelligence

Dreame L40 Ultra AE
Dreame X40 Ultra
Roborock S8 MaxV Ultra
Navigation system
?
Dreame L40 Ultra AE: 360° LiDAR turret Dreame X40 Ultra: 360° LiDAR turret Roborock S8 MaxV Ultra: 360° LiDAR turret
Obstacle avoidance
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
AI camera Different
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Yes, dual Roborock S8 MaxV Ultra: Yes, dual
Front 3D laser sensor
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
No. of recognised obstacles Different
?
Dreame L40 Ultra AE: 120 Dreame X40 Ultra: 120 Roborock S8 MaxV Ultra: 73
Pet recognition
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
Cleaning behind curtains Different
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: No
Remote camera access
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
Night vision LED
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
AI intelligent cleaning Different
?
Dreame L40 Ultra AE: Yes, CleanGenius 2.0 Dreame X40 Ultra: Yes, CleanGenius 2.0 Roborock S8 MaxV Ultra: Yes, SmartPlan 1.0
AI stain recognition Different
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
CPU / Algorithm Different
?
Dreame L40 Ultra AE: ? Dreame X40 Ultra: AI Sage 11.0 Quad-core Roborock S8 MaxV Ultra: RR Mason 11.0

Advanced Features

Dreame L40 Ultra AE
Dreame X40 Ultra
Roborock S8 MaxV Ultra
Ability to overcome steps Different
?
Dreame L40 Ultra AE: 20 mm Dreame X40 Ultra: 22 mm Roborock S8 MaxV Ultra: 20 mm
Robotic arm
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: No Roborock S8 MaxV Ultra: No
Integrated own voice assistant Different
?
Dreame L40 Ultra AE: No Dreame X40 Ultra: No Roborock S8 MaxV Ultra: Sí
Compatible with voice assistants (Alexa, Google Home...)
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí
Matter compatible
?
Dreame L40 Ultra AE: Sí Dreame X40 Ultra: Sí Roborock S8 MaxV Ultra: Sí

Robot Tanks

Dreame L40 Ultra AE
Dreame X40 Ultra
Roborock S8 MaxV Ultra
Robot dust bin Different
?
Dreame L40 Ultra AE: 395 ml Dreame X40 Ultra: 300 ml Roborock S8 MaxV Ultra: 270 ml
Robot water tank Different
?
Dreame L40 Ultra AE: 80 ml Dreame X40 Ultra: 80 ml Roborock S8 MaxV Ultra: 100 ml

Robot Dimensions

Dreame L40 Ultra AE
Dreame X40 Ultra
Roborock S8 MaxV Ultra
Robot diameter Different
?
Dreame L40 Ultra AE: 350 mm Dreame X40 Ultra: 350 mm Roborock S8 MaxV Ultra: 353 mm
Robot height Different
?
Dreame L40 Ultra AE: 97 mm Dreame X40 Ultra: 97 mm Roborock S8 MaxV Ultra: 103 mm

Base Dimensions

Dreame L40 Ultra AE
Dreame X40 Ultra
Roborock S8 MaxV Ultra
Base width Different
?
Dreame L40 Ultra AE: 340 mm Dreame X40 Ultra: 340 mm Roborock S8 MaxV Ultra: 409 mm
Base height Different
?
Dreame L40 Ultra AE: 590.5 mm Dreame X40 Ultra: 590.5 mm Roborock S8 MaxV Ultra: 470 mm
Base depth Different
?
Dreame L40 Ultra AE: 456.7 mm Dreame X40 Ultra: 456.7 mm Roborock S8 MaxV Ultra: 419 mm

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Best value for money Dreame L40 Ultra AE View on Amazon Best Score Dreame X40 Ultra View on Amazon Roborock S8 MaxV Ultra View on Amazon

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Best value for money Dreame L40 Ultra AE View on Amazon Best Score Dreame X40 Ultra View on Amazon Roborock S8 MaxV Ultra View on Amazon

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