Comparison

Dreame X50s Ultra vs Roborock Saros 20 Sonic

Detailed Technical Comparison

Best Score

1 / 13

Dreame X50s Ultra

9.0

Overall score

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Roborock Saros 20 Sonic

8.7

Overall score

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Scores

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

Roborock Saros 20 Sonic

Overall score 8.7

Power and Battery 8.6

Brushing System 6.7

Mopping System 8.6

Cleaning Base 8.2

Navigation and Intelligence 9.7

Detailed Technical Comparison

Key features organised by category

General Information

Dreame X50s Ultra

Roborock Saros 20 Sonic

Brand Different ?	Dreame X50s Ultra: Dreame	Roborock Saros 20 Sonic: Roborock
Release date Different ?	Dreame X50s Ultra: May 2026	Roborock Saros 20 Sonic: March 2026
Número de modelo Different ?	Dreame X50s Ultra: RLX92DE	Roborock Saros 20 Sonic: —

Power and Battery

Dreame X50s Ultra

Roborock Saros 20 Sonic

Suction power Different ?	Dreame X50s Ultra: 35.000 Pa	Roborock Saros 20 Sonic: 36.000 Pa
Battery capacity ?	Dreame X50s Ultra: 6.400 mAh	Roborock Saros 20 Sonic: 6.400 mAh
Declared runtime Different ?	Dreame X50s Ultra: 186 min	Roborock Saros 20 Sonic: —
Fast battery charging ?	Dreame X50s Ultra: Sí	Roborock Saros 20 Sonic: Sí

Brushing System

Dreame X50s Ultra

Roborock Saros 20 Sonic

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

Mopping System

Dreame X50s Ultra

Roborock Saros 20 Sonic

Mopping type Different ?	Dreame X50s Ultra: Two Rotating Mops 200 RPM 15N	Roborock Saros 20 Sonic: VibraRise 5.0 Vibrating Mop 14N
Mop extension Different ?	Dreame X50s Ultra: Yes, with RoboSwing movement	Roborock Saros 20 Sonic: Sí
Mop lifting Different ?	Dreame X50s Ultra: Yes, 10.5 mm	Roborock Saros 20 Sonic: Yes, 8-18 mm
Floor mopping temperature Different ?	Dreame X50s Ultra: Hot Water 40°C	Roborock Saros 20 Sonic: Warm Water
Remove mops at base ?	Dreame X50s Ultra: Sí	Roborock Saros 20 Sonic: Sí
Mop dirt detection ?	Dreame X50s Ultra: Sí	Roborock Saros 20 Sonic: Sí
Floor dirt detection ?	Dreame X50s Ultra: Sí	Roborock Saros 20 Sonic: Sí

Cleaning Base

Dreame X50s Ultra

Roborock Saros 20 Sonic

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

Navigation and Intelligence

Dreame X50s Ultra

Roborock Saros 20 Sonic

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

Advanced Features

Dreame X50s Ultra

Roborock Saros 20 Sonic

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

Robot Tanks

Dreame X50s Ultra

Roborock Saros 20 Sonic

Robot dust bin Different ?	Dreame X50s Ultra: 235 ml	Roborock Saros 20 Sonic: ?
Robot water tank Different ?	Dreame X50s Ultra: 80 ml	Roborock Saros 20 Sonic: Sí

Robot Dimensions

Dreame X50s Ultra

Roborock Saros 20 Sonic

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

Base Dimensions

Dreame X50s Ultra

Roborock Saros 20 Sonic

Base width Different ?	Dreame X50s Ultra: 390 mm	Roborock Saros 20 Sonic: 409 mm
Base height Different ?	Dreame X50s Ultra: 499 mm	Roborock Saros 20 Sonic: 470 mm
Base depth Different ?	Dreame X50s Ultra: 423 mm	Roborock Saros 20 Sonic: 440 mm