Comparison

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

Detailed Technical Comparison

Best Score

Roborock Saros 20 - Comparativa de robots aspiradores

1 / 9

Roborock Saros 20

8,8

Overall score

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Roborock Saros 20 Sonic - Comparativa de robots aspiradores

Roborock Saros 20 Sonic

8,8

Overall score

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Best value for money

Dreame X50 Ultra Blanca - Comparativa de robots aspiradores

1 / 10

Dreame X50 Ultra Blanca

8,5

Overall score

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Scores

Roborock Saros 20

Power and Battery 10,0

Brushing System 9,7

Mopping System 8,7

Cleaning Base 7,3

Navigation and Intelligence 9,8

Roborock Saros 20 Sonic

Power and Battery 10,0

Brushing System 9,7

Mopping System 8,5

Cleaning Base 7,3

Navigation and Intelligence 10,0

Dreame X50 Ultra Blanca

Power and Battery 7,6

Brushing System 10,0

Mopping System 8,3

Cleaning Base 7,5

Navigation and Intelligence 9,7

Detailed Technical Comparison

Key features organised by category

Información General

Roborock Saros 20

Roborock Saros 20 Sonic

Dreame X50 Ultra Blanca

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

Potencia y Batería

Roborock Saros 20

Roborock Saros 20 Sonic

Dreame X50 Ultra Blanca

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

Sistema de Cepillado

Roborock Saros 20

Roborock Saros 20 Sonic

Dreame X50 Ultra Blanca

Main brush Diferente ?	Roborock Saros 20: DuoDivide Anti-Tangle Hair Brush	Roborock Saros 20 Sonic: DuoDivide Anti-Tangle Hair Brush	Dreame X50 Ultra Blanca: Dual HyperStream Anti-Tangle Hair Brush
Lifting main brush ?	Roborock Saros 20: Yes	Roborock Saros 20 Sonic: Yes	Dreame X50 Ultra Blanca: Yes
Lifting side brush ?	Roborock Saros 20: ✓ Sí	Roborock Saros 20 Sonic: ✓ Sí	Dreame X50 Ultra Blanca: ✓ Sí
Extendable side brush ?	Roborock Saros 20: ✓ Sí	Roborock Saros 20 Sonic: ✓ Sí	Dreame X50 Ultra Blanca: ✓ Sí
Anti-tangle side brush ?	Roborock Saros 20: ✓ Sí	Roborock Saros 20 Sonic: ✓ Sí	Dreame X50 Ultra Blanca: ✓ Sí

Sistema de Fregado

Roborock Saros 20

Roborock Saros 20 Sonic

Dreame X50 Ultra Blanca

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

Base de Limpieza

Roborock Saros 20

Roborock Saros 20 Sonic

Dreame X50 Ultra Blanca

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

Navegación e Inteligencia

Roborock Saros 20

Roborock Saros 20 Sonic

Dreame X50 Ultra Blanca

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

Funciones Avanzadas

Roborock Saros 20

Roborock Saros 20 Sonic

Dreame X50 Ultra Blanca

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

Depósitos del Robot

Roborock Saros 20

Roborock Saros 20 Sonic

Dreame X50 Ultra Blanca

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

Dimensiones Robot

Roborock Saros 20

Roborock Saros 20 Sonic

Dreame X50 Ultra Blanca

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

Dimensiones Base

Roborock Saros 20

Roborock Saros 20 Sonic

Dreame X50 Ultra Blanca

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

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