Comparison

Dreame L40s Pro Ultra vs Roborock Q7 L5+ o BF+ Plus

Detailed Technical Comparison

Best Score

Dreame L40s Pro Ultra

8,1
Overall score
View on Amazon View Specifications

Roborock Q7 L5+ o BF+ Plus

3,7
Overall score
View on Amazon View Specifications

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
Roborock Q7 L5+ o BF+ Plus
Overall score 3,7
Power and Battery 2,8
Brushing System 1,5
Mopping System 0,9
Cleaning Base 2,6
Navigation and Intelligence 1,7

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40s Pro Ultra
Roborock Q7 L5+ o BF+ Plus
Brand Different
?
Dreame L40s Pro Ultra: Dreame Roborock Q7 L5+ o BF+ Plus: Roborock
Release date
?
Dreame L40s Pro Ultra: 2025 Roborock Q7 L5+ o BF+ Plus: 2025

Power and Battery

Dreame L40s Pro Ultra
Roborock Q7 L5+ o BF+ Plus
Suction power Different
?
Dreame L40s Pro Ultra: 19.000 Pa Roborock Q7 L5+ o BF+ Plus: 8.000 Pa
Battery capacity Different
?
Dreame L40s Pro Ultra: 5.200 mAh Roborock Q7 L5+ o BF+ Plus: 3.200 mAh
Declared runtime Different
?
Dreame L40s Pro Ultra: 220 min Roborock Q7 L5+ o BF+ Plus: —
Fast battery charging Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No

Brushing System

Dreame L40s Pro Ultra
Roborock Q7 L5+ o BF+ Plus
Main brush Different
?
Dreame L40s Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush Roborock Q7 L5+ o BF+ Plus: Anti-tangle bristle brush
Liftable main brush Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Liftable side brush Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Extendable side brush Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Anti-tangle side brush Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Skirting board brush
?
Dreame L40s Pro Ultra: No Roborock Q7 L5+ o BF+ Plus: No

Mopping System

Dreame L40s Pro Ultra
Roborock Q7 L5+ o BF+ Plus
Mopping type Different
?
Dreame L40s Pro Ultra: Two Rotating Mops 180 RPM Roborock Q7 L5+ o BF+ Plus: Static mop
Mop extension Different
?
Dreame L40s Pro Ultra: Yes, with RoboSwing movement Roborock Q7 L5+ o BF+ Plus: No
Mop lifting Different
?
Dreame L40s Pro Ultra: Yes, 0.4 in (10.5 mm) Roborock Q7 L5+ o BF+ Plus: No
Floor mopping temperature
?
Dreame L40s Pro Ultra: Cold water Roborock Q7 L5+ o BF+ Plus: Cold water
Remove mops at base Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Mop dirt detection Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Floor dirt detection Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No

Cleaning Base

Dreame L40s Pro Ultra
Roborock Q7 L5+ o BF+ Plus
Auto-emptying of dust bin
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: Sí
Mop washing Different
?
Dreame L40s Pro Ultra: Yes, with hot water at 167 °F (75°C) Roborock Q7 L5+ o BF+ Plus: No
Mop drying Different
?
Dreame L40s Pro Ultra: Yes, with hot air at 113 °F (45°C) Roborock Q7 L5+ o BF+ Plus: No
Washing tray self-cleaning Different
?
Dreame L40s Pro Ultra: Yes, 3rd generation Roborock Q7 L5+ o BF+ Plus: No
UV disinfection
?
Dreame L40s Pro Ultra: No Roborock Q7 L5+ o BF+ Plus: No
Detergent tank Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Automatic mop changing
?
Dreame L40s Pro Ultra: No Roborock Q7 L5+ o BF+ Plus: No
Dust bag capacity Different
?
Dreame L40s Pro Ultra: 3.2 L Roborock Q7 L5+ o BF+ Plus: 2.7 L
Clean water tank Different
?
Dreame L40s Pro Ultra: 4.5 L Roborock Q7 L5+ o BF+ Plus: —
Dirty water tank Different
?
Dreame L40s Pro Ultra: 4 L Roborock Q7 L5+ o BF+ Plus: —
Plumbing connection kit Different
?
Dreame L40s Pro Ultra: Yes (purchased separately) Roborock Q7 L5+ o BF+ Plus: No
Integrated plumbing connection
?
Dreame L40s Pro Ultra: No Roborock Q7 L5+ o BF+ Plus: No

Navigation and Intelligence

Dreame L40s Pro Ultra
Roborock Q7 L5+ o BF+ Plus
Navigation system
?
Dreame L40s Pro Ultra: 360° LiDAR turret Roborock Q7 L5+ o BF+ Plus: 360° LiDAR turret
Obstacle avoidance Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
AI camera Different
?
Dreame L40s Pro Ultra: Yes, dual Roborock Q7 L5+ o BF+ Plus: No
Front 3D laser sensor Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
No. of recognised obstacles Different
?
Dreame L40s Pro Ultra: 180 Roborock Q7 L5+ o BF+ Plus: No
Pet recognition Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Cleaning behind curtains Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Remote camera access Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Night vision LED Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
AI intelligent cleaning Different
?
Dreame L40s Pro Ultra: Yes, CleanGenius 2.0 Roborock Q7 L5+ o BF+ Plus: No
AI stain recognition Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
CPU / Algorithm
?
Dreame L40s Pro Ultra: ? Roborock Q7 L5+ o BF+ Plus: ?

Advanced Features

Dreame L40s Pro Ultra
Roborock Q7 L5+ o BF+ Plus
Ability to overcome steps Different
?
Dreame L40s Pro Ultra: Single step 0.9 in (22 mm) - Double step 40 mm Roborock Q7 L5+ o BF+ Plus: 0.8 in (20 mm)
Robotic arm
?
Dreame L40s Pro Ultra: No Roborock Q7 L5+ o BF+ Plus: No
Integrated own voice assistant Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No
Compatible with voice assistants (Alexa, Google Home...)
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: Sí
Matter compatible Different
?
Dreame L40s Pro Ultra: Sí Roborock Q7 L5+ o BF+ Plus: No

Robot Tanks

Dreame L40s Pro Ultra
Roborock Q7 L5+ o BF+ Plus
Robot dust bin Different
?
Dreame L40s Pro Ultra: 300 ml Roborock Q7 L5+ o BF+ Plus: 200 ml
Robot water tank Different
?
Dreame L40s Pro Ultra: 2.7 fl oz (80 ml) Roborock Q7 L5+ o BF+ Plus: 9.5 fl oz (280 ml)

Robot Dimensions

Dreame L40s Pro Ultra
Roborock Q7 L5+ o BF+ Plus
Robot diameter Different
?
Dreame L40s Pro Ultra: 350 mm Roborock Q7 L5+ o BF+ Plus: 325 mm
Robot height Different
?
Dreame L40s Pro Ultra: 103.8 mm Roborock Q7 L5+ o BF+ Plus: 99 mm

Base Dimensions

Dreame L40s Pro Ultra
Roborock Q7 L5+ o BF+ Plus
Base width Different
?
Dreame L40s Pro Ultra: 340 mm Roborock Q7 L5+ o BF+ Plus: 212 mm
Base height Different
?
Dreame L40s Pro Ultra: 590.5 mm Roborock Q7 L5+ o BF+ Plus: 259 mm
Base depth Different
?
Dreame L40s Pro Ultra: 456.7 mm Roborock Q7 L5+ o BF+ Plus: 178 mm

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