Comparison

Roborock Saros 20 vs Dreame X50s Ultra

Detailed Technical Comparison

1 / 9

Roborock Saros 20

8,8

Overall score

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Best Score

1 / 13

Dreame X50s Ultra

8,9

Overall score

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Scores

Roborock Saros 20

Overall score 8,8

Power and Battery 9,2

Brushing System 8,9

Mopping System 8,5

Cleaning Base 7,7

Navigation and Intelligence 9,7

Dreame X50s Ultra

Overall score 8,9

Power and Battery 9,1

Brushing System 9,3

Mopping System 9,2

Cleaning Base 7,9

Navigation and Intelligence 9,9

Detailed Technical Comparison

Key features organised by category

General Information

Roborock Saros 20

Dreame X50s Ultra

Brand Diferente ?	Roborock Saros 20: Roborock	Dreame X50s Ultra: Dreame
Release date Diferente ?	Roborock Saros 20: February 2026	Dreame X50s Ultra: May 2026

Power and Battery

Roborock Saros 20

Dreame X50s Ultra

Suction power Diferente ?	Roborock Saros 20: 36.000 Pa	Dreame X50s Ultra: 35.000 Pa
Battery capacity ?	Roborock Saros 20: 6.400 mAh	Dreame X50s Ultra: 6.400 mAh

Brushing System

Roborock Saros 20

Dreame X50s Ultra

Main brush Diferente ?	Roborock Saros 20: DuoDivide Anti-Tangle Hair Brush	Dreame X50s Ultra: Dual HyperStream 2.0 Anti-Tangle Brush
Lifting main brush ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí
Lifting side brush ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí
Extendable side brush ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí
Anti-tangle side brush ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí
Cepillo para zocalos ?	Roborock Saros 20: No	Dreame X50s Ultra: No

Mopping System

Roborock Saros 20

Dreame X50s Ultra

Mopping type Diferente ?	Roborock Saros 20: Two Rotating Mops 200 RPM 13N	Dreame X50s Ultra: Two Rotating Mops 200 RPM 15N
Mop extension Diferente ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Yes, with RoboSwing movement
Mop lifting Diferente ?	Roborock Saros 20: Yes, 12-22 mm	Dreame X50s Ultra: Yes, 10.5 mm
Floor mopping temperature Diferente ?	Roborock Saros 20: Warm Water	Dreame X50s Ultra: Hot Water 40°C
Detach mops at base ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí
Mop dirt detection ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí
Floor dirt detection ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí

Cleaning Base

Roborock Saros 20

Dreame X50s Ultra

Auto-emptying dust bin ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí
Mop washing ?	Roborock Saros 20: Yes, with hot water at 100°C	Dreame X50s Ultra: Yes, with hot water at 100°C
Mop drying Diferente ?	Roborock Saros 20: Yes, with hot air at 55°C	Dreame X50s Ultra: Yes, with hot air
Self-cleaning wash tray Diferente ?	Roborock Saros 20: Yes, with hot water at 100°C	Dreame X50s Ultra: Yes, 3rd generation
UV disinfection ?	Roborock Saros 20: No	Dreame X50s Ultra: No
Detergent tank ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí
Automatic mop changing ?	Roborock Saros 20: No	Dreame X50s Ultra: No
Dust bag capacity Diferente ?	Roborock Saros 20: 2.5 L	Dreame X50s Ultra: 3.2 L
Clean water tank Diferente ?	Roborock Saros 20: 4 L	Dreame X50s Ultra: 4.2 L
Dirty water tank ?	Roborock Saros 20: 3 L	Dreame X50s Ultra: 3 L
Plumbing connection kit Diferente ?	Roborock Saros 20: No	Dreame X50s Ultra: Yes (purchased separately)
Integrated plumbing connection ?	Roborock Saros 20: No	Dreame X50s Ultra: No

Navigation and Intelligence

Roborock Saros 20

Dreame X50s Ultra

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

Advanced Features

Roborock Saros 20

Dreame X50s Ultra

Step-climbing ability ?	Roborock Saros 20: Single step 45 mm - Double step 88 mm	Dreame X50s Ultra: Single step 45 mm - Double step 88 mm
Robotic arm ?	Roborock Saros 20: No	Dreame X50s Ultra: No
Built-in voice assistant ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí
External voice assistant (Alexa, Google Home...) ?	Roborock Saros 20: Sí	Dreame X50s Ultra: Sí

Robot Tanks

Roborock Saros 20

Dreame X50s Ultra

Robot dust bin Diferente ?	Roborock Saros 20: 270 ml	Dreame X50s Ultra: ?
Robot water tank Diferente ?	Roborock Saros 20: 69 ml	Dreame X50s Ultra: ?

Robot Dimensions

Roborock Saros 20

Dreame X50s Ultra

Robot diameter Diferente ?	Roborock Saros 20: 353 mm	Dreame X50s Ultra: 352 mm
Robot height Diferente ?	Roborock Saros 20: 79.8 mm	Dreame X50s Ultra: 79.5 mm

Base Dimensions

Roborock Saros 20

Dreame X50s Ultra

Base width Diferente ?	Roborock Saros 20: 381 mm	Dreame X50s Ultra: 390 mm
Base height Diferente ?	Roborock Saros 20: 488 mm	Dreame X50s Ultra: 499 mm
Base depth Diferente ?	Roborock Saros 20: 475 mm	Dreame X50s Ultra: 423 mm