Comparison

Dreame X50 Ultra Blanca vs Roborock Saros 20 vs Roborock Saros 20 Sonic

Detailed Technical Comparison

Best value for money

1 / 10

Dreame X50 Ultra Blanca

8,4

Overall score

View on Amazon View Specifications

Best Score

1 / 9

Roborock Saros 20

8,8

Overall score

View on Amazon View Specifications

Roborock Saros 20 Sonic

8,8

Overall score

View on Amazon View Specifications

Scores

Dreame X50 Ultra Blanca

Overall score 8,4

Power and Battery 7,3

Brushing System 9,1

Mopping System 7,8

Cleaning Base 8,1

Navigation and Intelligence 9,5

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

Roborock Saros 20 Sonic

Overall score 8,8

Power and Battery 9,2

Brushing System 8,9

Mopping System 8,4

Cleaning Base 7,7

Navigation and Intelligence 9,8

Detailed Technical Comparison

Key features organised by category

General Information

Dreame X50 Ultra Blanca

Roborock Saros 20

Roborock Saros 20 Sonic

Brand Diferente ?	Dreame X50 Ultra Blanca: Dreame	Roborock Saros 20: Roborock	Roborock Saros 20 Sonic: Roborock
Release date Diferente ?	Dreame X50 Ultra Blanca: 2025	Roborock Saros 20: February 2026	Roborock Saros 20 Sonic: March 2026

Power and Battery

Dreame X50 Ultra Blanca

Roborock Saros 20

Roborock Saros 20 Sonic

Suction power Diferente ?	Dreame X50 Ultra Blanca: 20.000 Pa	Roborock Saros 20: 36.000 Pa	Roborock Saros 20 Sonic: 36.000 Pa
Battery capacity ?	Dreame X50 Ultra Blanca: 6.400 mAh	Roborock Saros 20: 6.400 mAh	Roborock Saros 20 Sonic: 6.400 mAh
Runtime Diferente ?	Dreame X50 Ultra Blanca: 180 min	Roborock Saros 20: —	Roborock Saros 20 Sonic: —

Brushing System

Dreame X50 Ultra Blanca

Roborock Saros 20

Roborock Saros 20 Sonic

Main brush Diferente ?	Dreame X50 Ultra Blanca: Dual HyperStream Anti-Tangle Hair Brush	Roborock Saros 20: DuoDivide Anti-Tangle Hair Brush	Roborock Saros 20 Sonic: DuoDivide Anti-Tangle Hair Brush
Lifting main brush ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Lifting side brush ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Extendable side brush ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Anti-tangle side brush ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Cepillo para zocalos ?	Dreame X50 Ultra Blanca: No	Roborock Saros 20: No	Roborock Saros 20 Sonic: No

Mopping System

Dreame X50 Ultra Blanca

Roborock Saros 20

Roborock Saros 20 Sonic

Mopping type Diferente ?	Dreame X50 Ultra Blanca: Two Rotating Mops 180 RPM	Roborock Saros 20: Two Rotating Mops 200 RPM 13N	Roborock Saros 20 Sonic: VibraRise 5.0 Vibrating Mop 14N
Mop extension Diferente ?	Dreame X50 Ultra Blanca: Yes, with RoboSwing movement	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Mop lifting Diferente ?	Dreame X50 Ultra Blanca: Yes, 10.5 mm	Roborock Saros 20: Yes, 12-22 mm	Roborock Saros 20 Sonic: Yes, 8-18 mm
Floor mopping temperature Diferente ?	Dreame X50 Ultra Blanca: Cold water	Roborock Saros 20: Warm Water	Roborock Saros 20 Sonic: Warm Water
Detach mops at base ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Mop dirt detection ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Floor dirt detection ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí

Cleaning Base

Dreame X50 Ultra Blanca

Roborock Saros 20

Roborock Saros 20 Sonic

Auto-emptying dust bin ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Mop washing Diferente ?	Dreame X50 Ultra Blanca: Yes, with hot water at 80°C	Roborock Saros 20: Yes, with hot water at 100°C	Roborock Saros 20 Sonic: Yes, with hot water at 100°C
Mop drying Diferente ?	Dreame X50 Ultra Blanca: Yes, with hot air at 45°C	Roborock Saros 20: Yes, with hot air at 55°C	Roborock Saros 20 Sonic: Yes, with hot air at 55°C
Self-cleaning wash tray Diferente ?	Dreame X50 Ultra Blanca: Yes, 3rd generation	Roborock Saros 20: Yes, with hot water at 100°C	Roborock Saros 20 Sonic: Yes, with hot water at 100°C
UV disinfection Diferente ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: No	Roborock Saros 20 Sonic: No
Detergent tank ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Automatic mop changing ?	Dreame X50 Ultra Blanca: No	Roborock Saros 20: No	Roborock Saros 20 Sonic: No
Dust bag capacity Diferente ?	Dreame X50 Ultra Blanca: 3.2 L	Roborock Saros 20: 2.5 L	Roborock Saros 20 Sonic: 2.5 L
Clean water tank Diferente ?	Dreame X50 Ultra Blanca: 4.5 L	Roborock Saros 20: 4 L	Roborock Saros 20 Sonic: 4 L
Dirty water tank Diferente ?	Dreame X50 Ultra Blanca: 4 L	Roborock Saros 20: 3 L	Roborock Saros 20 Sonic: 3 L
Plumbing connection kit Diferente ?	Dreame X50 Ultra Blanca: Yes (purchased separately)	Roborock Saros 20: No	Roborock Saros 20 Sonic: No
Integrated plumbing connection ?	Dreame X50 Ultra Blanca: No	Roborock Saros 20: No	Roborock Saros 20 Sonic: No

Navigation and Intelligence

Dreame X50 Ultra Blanca

Roborock Saros 20

Roborock Saros 20 Sonic

Navigation system Diferente ?	Dreame X50 Ultra Blanca: 360° Retractable LiDAR	Roborock Saros 20: StarSight 2.0	Roborock Saros 20 Sonic: 360° Retractable LiDAR
Obstacle avoidance ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
AI camera ?	Dreame X50 Ultra Blanca: Yes, dual	Roborock Saros 20: Yes, dual	Roborock Saros 20 Sonic: Yes, dual
Front 3D laser sensor ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
No. of recognised obstacles Diferente ?	Dreame X50 Ultra Blanca: 200	Roborock Saros 20: 300	Roborock Saros 20 Sonic: 300
Pet recognition ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Curtain detection ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Remote camera access ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
Night vision LED ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
AI intelligent cleaning Diferente ?	Dreame X50 Ultra Blanca: Yes, CleanGenius 2.0	Roborock Saros 20: Yes, SmartPlan 3.0	Roborock Saros 20 Sonic: Yes, SmartPlan 3.0
AI stain recognition ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
CPU / Algorithm Diferente ?	Dreame X50 Ultra Blanca: AI Sage 13.0 Octa-core	Roborock Saros 20: ?	Roborock Saros 20 Sonic: ?

Advanced Features

Dreame X50 Ultra Blanca

Roborock Saros 20

Roborock Saros 20 Sonic

Step-climbing ability Diferente ?	Dreame X50 Ultra Blanca: Single step 42 mm - Double step 60 mm	Roborock Saros 20: Single step 45 mm - Double step 88 mm	Roborock Saros 20 Sonic: Single step 45 mm - Double step 88 mm
Robotic arm ?	Dreame X50 Ultra Blanca: No	Roborock Saros 20: No	Roborock Saros 20 Sonic: No
Built-in voice assistant ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí
External voice assistant (Alexa, Google Home...) ?	Dreame X50 Ultra Blanca: Sí	Roborock Saros 20: Sí	Roborock Saros 20 Sonic: Sí

Robot Tanks

Dreame X50 Ultra Blanca

Roborock Saros 20

Roborock Saros 20 Sonic

Robot dust bin Diferente ?	Dreame X50 Ultra Blanca: 395 ml	Roborock Saros 20: 270 ml	Roborock Saros 20 Sonic: ?
Robot water tank Diferente ?	Dreame X50 Ultra Blanca: 80 ml	Roborock Saros 20: 69 ml	Roborock Saros 20 Sonic: Sí

Robot Dimensions

Dreame X50 Ultra Blanca

Roborock Saros 20

Roborock Saros 20 Sonic

Robot diameter Diferente ?	Dreame X50 Ultra Blanca: 350 mm	Roborock Saros 20: 353 mm	Roborock Saros 20 Sonic: 353 mm
Robot height Diferente ?	Dreame X50 Ultra Blanca: 89 mm	Roborock Saros 20: 79.8 mm	Roborock Saros 20 Sonic: 79.8 mm

Base Dimensions

Dreame X50 Ultra Blanca

Roborock Saros 20

Roborock Saros 20 Sonic

Base width Diferente ?	Dreame X50 Ultra Blanca: 340 mm	Roborock Saros 20: 381 mm	Roborock Saros 20 Sonic: 409 mm
Base height Diferente ?	Dreame X50 Ultra Blanca: 590.5 mm	Roborock Saros 20: 488 mm	Roborock Saros 20 Sonic: 470 mm
Base depth Diferente ?	Dreame X50 Ultra Blanca: 456.7 mm	Roborock Saros 20: 475 mm	Roborock Saros 20 Sonic: 440 mm