Comparison

Roborock Qrevo Edge 2 Flow vs Roborock Saros 20 vs Dreame X50s Ultra

Detailed Technical Comparison

Best value for money

Roborock Qrevo Edge 2 Flow

7,9
Overall score
View on Amazon View Specifications

Roborock Saros 20

8,6
Overall score
View on Amazon View Specifications
Best Score

Dreame X50s Ultra

9,0
Overall score
View on Amazon View Specifications

Scores

Roborock Qrevo Edge 2 Flow
Overall score 7,9
Power and Battery 7,0
Brushing System 7,4
Mopping System 7,4
Cleaning Base 7,1
Navigation and Intelligence 9,7
Roborock Saros 20
Overall score 8,6
Power and Battery 8,6
Brushing System 6,7
Mopping System 8,6
Cleaning Base 8,2
Navigation and Intelligence 8,2
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

Roborock Qrevo Edge 2 Flow
Roborock Saros 20
Dreame X50s Ultra
Brand Different
?
Roborock Qrevo Edge 2 Flow: Roborock Roborock Saros 20: Roborock Dreame X50s Ultra: Dreame
Release date Different
?
Roborock Qrevo Edge 2 Flow: August 2026 Roborock Saros 20: February 2026 Dreame X50s Ultra: May 2026
Número de modelo Different
?
Roborock Qrevo Edge 2 Flow: — Roborock Saros 20: — Dreame X50s Ultra: RLX92DE

Power and Battery

Roborock Qrevo Edge 2 Flow
Roborock Saros 20
Dreame X50s Ultra
Suction power Different
?
Roborock Qrevo Edge 2 Flow: 35.000 Pa Roborock Saros 20: 36.000 Pa Dreame X50s Ultra: 35.000 Pa
Battery capacity Different
?
Roborock Qrevo Edge 2 Flow: 5200 mAh Roborock Saros 20: 6.400 mAh Dreame X50s Ultra: 6.400 mAh
Declared runtime Different
?
Roborock Qrevo Edge 2 Flow: — Roborock Saros 20: — Dreame X50s Ultra: 186 min
Fast battery charging Different
?
Roborock Qrevo Edge 2 Flow: No Roborock Saros 20: Sí Dreame X50s Ultra: Sí

Brushing System

Roborock Qrevo Edge 2 Flow
Roborock Saros 20
Dreame X50s Ultra
Main brush Different
?
Roborock Qrevo Edge 2 Flow: DuoDivide Anti-Tangle Hair Brush Roborock Saros 20: DuoDivide Anti-Tangle Hair Brush Dreame X50s Ultra: Dual HyperStream 2.0 Anti-Tangle Brush
Liftable main brush
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Liftable side brush
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Extendable side brush Different
?
Roborock Qrevo Edge 2 Flow: Reversible side brush Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Anti-tangle side brush
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Skirting board brush
?
Roborock Qrevo Edge 2 Flow: No Roborock Saros 20: No Dreame X50s Ultra: No

Mopping System

Roborock Qrevo Edge 2 Flow
Roborock Saros 20
Dreame X50s Ultra
Mopping type Different
?
Roborock Qrevo Edge 2 Flow: 10.6 in (270 mm) roller 240RPM 15M Roborock Saros 20: Two Rotating Mops 200 RPM 13N Dreame X50s Ultra: Two Rotating Mops 200 RPM 15N
Mop extension Different
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Yes, with RoboSwing movement
Mop lifting Different
?
Roborock Qrevo Edge 2 Flow: Yes, 0.6 in (15 mm) + Roller Cover Roborock Saros 20: Yes, 12-0.9 in (-22 mm) Dreame X50s Ultra: Yes, 0.4 in (10.5 mm)
Floor mopping temperature Different
?
Roborock Qrevo Edge 2 Flow: Cold water Roborock Saros 20: Warm Water Dreame X50s Ultra: Hot Water 104 °F (40°C)
Remove mops at base Different
?
Roborock Qrevo Edge 2 Flow: No Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Mop dirt detection
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Floor dirt detection
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí

Cleaning Base

Roborock Qrevo Edge 2 Flow
Roborock Saros 20
Dreame X50s Ultra
Auto-emptying of dust bin
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Mop washing Different
?
Roborock Qrevo Edge 2 Flow: Yes, with hot water at 167 °F (75°C) Roborock Saros 20: Yes, with hot water at 212 °F (100°C) Dreame X50s Ultra: Yes, with hot water at 212 °F (100°C)
Mop drying Different
?
Roborock Qrevo Edge 2 Flow: Yes, with hot air at 145.4 °F (63°C) Roborock Saros 20: Yes, with hot air at 131 °F (55°C) Dreame X50s Ultra: Yes, with hot air
Washing tray self-cleaning Different
?
Roborock Qrevo Edge 2 Flow: Removable tray Roborock Saros 20: Yes, with hot water at 212 °F (100°C) Dreame X50s Ultra: Yes, 3rd generation
UV disinfection
?
Roborock Qrevo Edge 2 Flow: No Roborock Saros 20: No Dreame X50s Ultra: No
Detergent tank Different
?
Roborock Qrevo Edge 2 Flow: No Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Automatic mop changing
?
Roborock Qrevo Edge 2 Flow: No Roborock Saros 20: No Dreame X50s Ultra: No
Dust bag capacity Different
?
Roborock Qrevo Edge 2 Flow: 2.7 L Roborock Saros 20: 2.5 L Dreame X50s Ultra: 3.2 L
Clean water tank Different
?
Roborock Qrevo Edge 2 Flow: 4 L Roborock Saros 20: 4 L Dreame X50s Ultra: 4.2 L
Dirty water tank
?
Roborock Qrevo Edge 2 Flow: 3 L Roborock Saros 20: 3 L Dreame X50s Ultra: 3 L
Plumbing connection kit Different
?
Roborock Qrevo Edge 2 Flow: No Roborock Saros 20: No Dreame X50s Ultra: Yes (purchased separately)
Integrated plumbing connection
?
Roborock Qrevo Edge 2 Flow: No Roborock Saros 20: No Dreame X50s Ultra: No

Navigation and Intelligence

Roborock Qrevo Edge 2 Flow
Roborock Saros 20
Dreame X50s Ultra
Navigation system Different
?
Roborock Qrevo Edge 2 Flow: 360° Retractable LiDAR Roborock Saros 20: StarSight 2.0 Dreame X50s Ultra: 360° Retractable LiDAR
Obstacle avoidance Different
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Yes, with proactive lighting
AI camera Different
?
Roborock Qrevo Edge 2 Flow: Yes, RGB Roborock Saros 20: Yes, dual Dreame X50s Ultra: Yes, dual RGB
Front 3D laser sensor Different
?
Roborock Qrevo Edge 2 Flow: Yes, with structured light Roborock Saros 20: Sí Dreame X50s Ultra: Sí
No. of recognised obstacles Different
?
Roborock Qrevo Edge 2 Flow: 280 Roborock Saros 20: 300 Dreame X50s Ultra: 280
Pet recognition
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Cleaning behind curtains
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Remote camera access
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Night vision LED
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
AI intelligent cleaning Different
?
Roborock Qrevo Edge 2 Flow: Yes, SmartPlan 3.0 Roborock Saros 20: Yes, SmartPlan 3.0 Dreame X50s Ultra: Yes, CleanGenius 3.0
AI stain recognition
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
CPU / Algorithm Different
?
Roborock Qrevo Edge 2 Flow: — Roborock Saros 20: ? Dreame X50s Ultra: ?

Advanced Features

Roborock Qrevo Edge 2 Flow
Roborock Saros 20
Dreame X50s Ultra
Ability to overcome steps Different
?
Roborock Qrevo Edge 2 Flow: 0.8 in (20 mm) Roborock Saros 20: Single step 1.8 in (45 mm) - Double step 88 mm Dreame X50s Ultra: Single step 1.8 in (45 mm) - Double step 88 mm
Robotic arm
?
Roborock Qrevo Edge 2 Flow: No Roborock Saros 20: No Dreame X50s Ultra: No
Integrated own voice assistant
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Compatible with voice assistants (Alexa, Google Home...)
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí
Matter compatible
?
Roborock Qrevo Edge 2 Flow: Sí Roborock Saros 20: Sí Dreame X50s Ultra: Sí

Robot Tanks

Roborock Qrevo Edge 2 Flow
Roborock Saros 20
Dreame X50s Ultra
Robot dust bin Different
?
Roborock Qrevo Edge 2 Flow: ? Roborock Saros 20: 270 ml Dreame X50s Ultra: 235 ml
Robot water tank Different
?
Roborock Qrevo Edge 2 Flow: ? Roborock Saros 20: 2.3 fl oz (69 ml) Dreame X50s Ultra: 80 ml

Robot Dimensions

Roborock Qrevo Edge 2 Flow
Roborock Saros 20
Dreame X50s Ultra
Robot diameter Different
?
Roborock Qrevo Edge 2 Flow: 353 mm Roborock Saros 20: 353 mm Dreame X50s Ultra: 352 mm
Robot height Different
?
Roborock Qrevo Edge 2 Flow: 89.8 mm Roborock Saros 20: 79.8 mm Dreame X50s Ultra: 79.5 mm

Base Dimensions

Roborock Qrevo Edge 2 Flow
Roborock Saros 20
Dreame X50s Ultra
Base width Different
?
Roborock Qrevo Edge 2 Flow: 402 mm Roborock Saros 20: 381 mm Dreame X50s Ultra: 390 mm
Base height Different
?
Roborock Qrevo Edge 2 Flow: 451 mm Roborock Saros 20: 488 mm Dreame X50s Ultra: 499 mm
Base depth Different
?
Roborock Qrevo Edge 2 Flow: 470 mm Roborock Saros 20: 475 mm Dreame X50s Ultra: 423 mm

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Best value for money Roborock Qrevo Edge 2 Flow View on Amazon Roborock Saros 20 View on Amazon Best Score Dreame X50s Ultra View on Amazon

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Best value for money Roborock Qrevo Edge 2 Flow View on Amazon Roborock Saros 20 View on Amazon Best Score Dreame X50s Ultra View on Amazon

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