Comparison

Dreame X40 Ultra vs Roborock Qrevo S5V vs Roborock QV 35A

Detailed Technical Comparison

Best Score

1 / 8

Dreame X40 Ultra

7.5

Overall score

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Best value for money

1 / 9

Roborock Qrevo S5V

5.8

Overall score

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1 / 10

Roborock QV 35A

5.3

Overall score

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Scores

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 Qrevo S5V

Overall score 5.8

Power and Battery 5.2

Brushing System 3.9

Mopping System 5.2

Cleaning Base 6.0

Navigation and Intelligence 3.6

Roborock QV 35A

Overall score 5.3

Power and Battery 4.8

Brushing System 2.8

Mopping System 4.0

Cleaning Base 5.4

Navigation and Intelligence 3.6

Detailed Technical Comparison

Key features organised by category

General Information

Dreame X40 Ultra

Roborock Qrevo S5V

Roborock QV 35A

Brand Different ?	Dreame X40 Ultra: Dreame	Roborock Qrevo S5V: Roborock	Roborock QV 35A: Roborock
Release date Different ?	Dreame X40 Ultra: 2024	Roborock Qrevo S5V: 2025	Roborock QV 35A: 2025

Power and Battery

Dreame X40 Ultra

Roborock Qrevo S5V

Roborock QV 35A

Suction power Different ?	Dreame X40 Ultra: 12.000 Pa	Roborock Qrevo S5V: 12.000 Pa	Roborock QV 35A: 8.000 Pa
Battery capacity Different ?	Dreame X40 Ultra: 6.400 mAh	Roborock Qrevo S5V: 5.200 mAh	Roborock QV 35A: 5.200 mAh
Declared runtime Different ?	Dreame X40 Ultra: 194 min	Roborock Qrevo S5V: 180 min	Roborock QV 35A: 180 mins
Fast battery charging ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: Sí	Roborock QV 35A: Sí

Brushing System

Dreame X40 Ultra

Roborock Qrevo S5V

Roborock QV 35A

Main brush Different ?	Dreame X40 Ultra: Simple Silicone Brush	Roborock Qrevo S5V: DuoDivide Anti-Tangle Hair Brush	Roborock QV 35A: Simple Silicone Brush
Liftable main brush Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
Liftable side brush Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
Extendable side brush Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
Anti-tangle side brush ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: Sí	Roborock QV 35A: Sí
Skirting board brush ?	Dreame X40 Ultra: No	Roborock Qrevo S5V: No	Roborock QV 35A: No

Mopping System

Dreame X40 Ultra

Roborock Qrevo S5V

Roborock QV 35A

Mopping type Different ?	Dreame X40 Ultra: Two Rotating Mops 180 RPM	Roborock Qrevo S5V: Two Rotating Mops 200 RPM	Roborock QV 35A: Two Rotating Mops 200 RPM
Mop extension Different ?	Dreame X40 Ultra: Yes, with RoboSwing movement	Roborock Qrevo S5V: Sí	Roborock QV 35A: No
Mop lifting Different ?	Dreame X40 Ultra: Yes, 10.5 mm	Roborock Qrevo S5V: Yes, 10 mm	Roborock QV 35A: Yes, 10 mm
Floor mopping temperature ?	Dreame X40 Ultra: Cold water	Roborock Qrevo S5V: Cold water	Roborock QV 35A: Cold water
Remove mops at base Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
Mop dirt detection Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
Floor dirt detection Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No

Cleaning Base

Dreame X40 Ultra

Roborock Qrevo S5V

Roborock QV 35A

Auto-emptying of dust bin ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: Sí	Roborock QV 35A: Sí
Mop washing Different ?	Dreame X40 Ultra: Yes, with hot water at 70°C	Roborock Qrevo S5V: Yes, with cold water	Roborock QV 35A: Yes, with cold water
Mop drying Different ?	Dreame X40 Ultra: Yes, with hot air at 45°C	Roborock Qrevo S5V: Yes, with hot air at 45°C	Roborock QV 35A: Yes, with cold air
Washing tray self-cleaning Different ?	Dreame X40 Ultra: Yes, 2nd generation	Roborock Qrevo S5V: No	Roborock QV 35A: No
UV disinfection ?	Dreame X40 Ultra: No	Roborock Qrevo S5V: No	Roborock QV 35A: No
Detergent tank Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
Automatic mop changing ?	Dreame X40 Ultra: No	Roborock Qrevo S5V: No	Roborock QV 35A: No
Dust bag capacity Different ?	Dreame X40 Ultra: 3.2 L	Roborock Qrevo S5V: 2.7 L	Roborock QV 35A: 2.7 L
Clean water tank Different ?	Dreame X40 Ultra: 4.5 L	Roborock Qrevo S5V: 4 L	Roborock QV 35A: 4 L
Dirty water tank Different ?	Dreame X40 Ultra: 4 L	Roborock Qrevo S5V: 3.5 L	Roborock QV 35A: 3.5 L
Plumbing connection kit Different ?	Dreame X40 Ultra: Yes (purchased separately)	Roborock Qrevo S5V: No	Roborock QV 35A: No
Integrated plumbing connection ?	Dreame X40 Ultra: No	Roborock Qrevo S5V: No	Roborock QV 35A: No

Navigation and Intelligence

Dreame X40 Ultra

Roborock Qrevo S5V

Roborock QV 35A

Navigation system ?	Dreame X40 Ultra: 360° LiDAR turret	Roborock Qrevo S5V: 360° LiDAR turret	Roborock QV 35A: 360° LiDAR turret
Obstacle avoidance ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: Sí	Roborock QV 35A: Sí
AI camera Different ?	Dreame X40 Ultra: Yes, dual	Roborock Qrevo S5V: No	Roborock QV 35A: No
Front 3D laser sensor Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
No. of recognised obstacles Different ?	Dreame X40 Ultra: 120	Roborock Qrevo S5V: ?	Roborock QV 35A: ?
Pet recognition Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
Cleaning behind curtains Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
Remote camera access Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
Night vision LED Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
AI intelligent cleaning Different ?	Dreame X40 Ultra: Yes, CleanGenius 2.0	Roborock Qrevo S5V: Yes, SmartPlan 1.0	Roborock QV 35A: Yes, SmartPlan 1.0
AI stain recognition Different ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: No	Roborock QV 35A: No
CPU / Algorithm Different ?	Dreame X40 Ultra: AI Sage 11.0 Quad-core	Roborock Qrevo S5V: ?	Roborock QV 35A: ?

Advanced Features

Dreame X40 Ultra

Roborock Qrevo S5V

Roborock QV 35A

Ability to overcome steps Different ?	Dreame X40 Ultra: 22 mm	Roborock Qrevo S5V: 20 mm	Roborock QV 35A: 20 mm
Robotic arm ?	Dreame X40 Ultra: No	Roborock Qrevo S5V: No	Roborock QV 35A: No
Integrated own voice assistant ?	Dreame X40 Ultra: No	Roborock Qrevo S5V: No	Roborock QV 35A: No
Compatible with voice assistants (Alexa, Google Home...) ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: Sí	Roborock QV 35A: Sí
Matter compatible ?	Dreame X40 Ultra: Sí	Roborock Qrevo S5V: Sí	Roborock QV 35A: Sí

Robot Tanks

Dreame X40 Ultra

Roborock Qrevo S5V

Roborock QV 35A

Robot dust bin Different ?	Dreame X40 Ultra: 300 ml	Roborock Qrevo S5V: 330 ml	Roborock QV 35A: 330 ml
Robot water tank ?	Dreame X40 Ultra: 80 ml	Roborock Qrevo S5V: 80 ml	Roborock QV 35A: 80 ml

Robot Dimensions

Dreame X40 Ultra

Roborock Qrevo S5V

Roborock QV 35A

Robot diameter Different ?	Dreame X40 Ultra: 350 mm	Roborock Qrevo S5V: 353 mm	Roborock QV 35A: 353 mm
Robot height Different ?	Dreame X40 Ultra: 97 mm	Roborock Qrevo S5V: 96.5 mm	Roborock QV 35A: 96.5 mm

Base Dimensions

Dreame X40 Ultra

Roborock Qrevo S5V

Roborock QV 35A

Base width ?	Dreame X40 Ultra: 340 mm	Roborock Qrevo S5V: 340 mm	Roborock QV 35A: 340 mm
Base height Different ?	Dreame X40 Ultra: 590.5 mm	Roborock Qrevo S5V: 521 mm	Roborock QV 35A: 521 mm
Base depth Different ?	Dreame X40 Ultra: 456.7 mm	Roborock Qrevo S5V: 487 mm	Roborock QV 35A: 487 mm