Comparison

Dreame L50s Pro Ultra vs Roborock Qrevo Curv 2 Pro vs Roborock Saros 20

Detailed Technical Comparison

Best value for money

1 / 11

Dreame L50s Pro Ultra

8.2

Overall score

View on Amazon

1 / 10

Roborock Qrevo Curv 2 Pro

8.2

Overall score

View on Amazon

Best Score

1 / 9

Roborock Saros 20

8.6

Overall score

View on Amazon

Scores

Dreame L50s Pro Ultra

Overall score 8.2

Power and Battery 7.2

Brushing System 7.9

Mopping System 6.9

Cleaning Base 8.4

Navigation and Intelligence 9.1

Roborock Qrevo Curv 2 Pro

Overall score 8.2

Power and Battery 6.6

Brushing System 6.7

Mopping System 8.0

Cleaning Base 7.7

Navigation and Intelligence 8.8

Roborock Saros 20

Overall score 8.6

Power and Battery 8.6

Brushing System 6.7

Mopping System 8.7

Cleaning Base 8.2

Navigation and Intelligence 8.2

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L50s Pro Ultra

Roborock Qrevo Curv 2 Pro

Roborock Saros 20

Brand Different ?	Dreame L50s Pro Ultra: Dreame	Roborock Qrevo Curv 2 Pro: Roborock	Roborock Saros 20: Roborock
Release date Different ?	Dreame L50s Pro Ultra: 2026	Roborock Qrevo Curv 2 Pro: 2025	Roborock Saros 20: February 2026

Power and Battery

Dreame L50s Pro Ultra

Roborock Qrevo Curv 2 Pro

Roborock Saros 20

Suction power Different ?	Dreame L50s Pro Ultra: 30.000 Pa	Roborock Qrevo Curv 2 Pro: 25.000 Pa	Roborock Saros 20: 36.000 Pa
Battery capacity Different ?	Dreame L50s Pro Ultra: 5.200 mAh	Roborock Qrevo Curv 2 Pro: 6.400 mAh	Roborock Saros 20: 6.400 mAh
Declared runtime Different ?	Dreame L50s Pro Ultra: —	Roborock Qrevo Curv 2 Pro: 290 min	Roborock Saros 20: —
Fast battery charging Different ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: No	Roborock Saros 20: Sí

Brushing System

Dreame L50s Pro Ultra

Roborock Qrevo Curv 2 Pro

Roborock Saros 20

Main brush Different ?	Dreame L50s Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush	Roborock Qrevo Curv 2 Pro: DuoDivide Anti-Tangle Hair Brush	Roborock Saros 20: DuoDivide Anti-Tangle Hair Brush
Liftable main brush ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Liftable side brush Different ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: No	Roborock Saros 20: Sí
Extendable side brush ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Anti-tangle side brush ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Skirting board brush ?	Dreame L50s Pro Ultra: No	Roborock Qrevo Curv 2 Pro: No	Roborock Saros 20: No

Mopping System

Dreame L50s Pro Ultra

Roborock Qrevo Curv 2 Pro

Roborock Saros 20

Mopping type Different ?	Dreame L50s Pro Ultra: Two Rotating Mops 180 RPM	Roborock Qrevo Curv 2 Pro: Two Rotating Mops 200 RPM 12N	Roborock Saros 20: Two Rotating Mops 200 RPM 13N
Mop extension Different ?	Dreame L50s Pro Ultra: Yes, with RoboSwing movement	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Mop lifting Different ?	Dreame L50s Pro Ultra: Yes, 0.4 in (10.5 mm)	Roborock Qrevo Curv 2 Pro: Yes, 7-0.7 in (-17 mm)	Roborock Saros 20: Yes, 12-0.9 in (-22 mm)
Floor mopping temperature Different ?	Dreame L50s Pro Ultra: Cold water	Roborock Qrevo Curv 2 Pro: Cold water	Roborock Saros 20: Warm Water
Remove mops at base ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Mop dirt detection ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Floor dirt detection ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí

Cleaning Base

Dreame L50s Pro Ultra

Roborock Qrevo Curv 2 Pro

Roborock Saros 20

Auto-emptying of dust bin ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Mop washing ?	Dreame L50s Pro Ultra: Yes, with hot water at 212 °F (100°C)	Roborock Qrevo Curv 2 Pro: Yes, with hot water at 212 °F (100°C)	Roborock Saros 20: Yes, with hot water at 212 °F (100°C)
Mop drying Different ?	Dreame L50s Pro Ultra: Yes, with hot air at 113 °F (45°C)	Roborock Qrevo Curv 2 Pro: Yes, with hot air at 55ºC	Roborock Saros 20: Yes, with hot air at 131 °F (55°C)
Washing tray self-cleaning Different ?	Dreame L50s Pro Ultra: Yes, 3rd generation	Roborock Qrevo Curv 2 Pro: Yes, 3.0	Roborock Saros 20: Yes, with hot water at 212 °F (100°C)
UV disinfection ?	Dreame L50s Pro Ultra: No	Roborock Qrevo Curv 2 Pro: No	Roborock Saros 20: No
Detergent tank Different ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: No	Roborock Saros 20: Sí
Automatic mop changing ?	Dreame L50s Pro Ultra: No	Roborock Qrevo Curv 2 Pro: No	Roborock Saros 20: No
Dust bag capacity Different ?	Dreame L50s Pro Ultra: 3.2 L	Roborock Qrevo Curv 2 Pro: 2.5 L	Roborock Saros 20: 2.5 L
Clean water tank Different ?	Dreame L50s Pro Ultra: 4.5 L	Roborock Qrevo Curv 2 Pro: 4 L	Roborock Saros 20: 4 L
Dirty water tank Different ?	Dreame L50s Pro Ultra: 4 L	Roborock Qrevo Curv 2 Pro: 3 L	Roborock Saros 20: 3 L
Plumbing connection kit Different ?	Dreame L50s Pro Ultra: Yes (purchased separately)	Roborock Qrevo Curv 2 Pro: No	Roborock Saros 20: No
Integrated plumbing connection ?	Dreame L50s Pro Ultra: No	Roborock Qrevo Curv 2 Pro: No	Roborock Saros 20: No

Navigation and Intelligence

Dreame L50s Pro Ultra

Roborock Qrevo Curv 2 Pro

Roborock Saros 20

Navigation system Different ?	Dreame L50s Pro Ultra: 360° LiDAR turret	Roborock Qrevo Curv 2 Pro: 360° Retractable LiDAR	Roborock Saros 20: StarSight 2.0
Obstacle avoidance ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
AI camera ?	Dreame L50s Pro Ultra: Yes, dual	Roborock Qrevo Curv 2 Pro: Yes, dual	Roborock Saros 20: Yes, dual
Front 3D laser sensor ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
No. of recognised obstacles Different ?	Dreame L50s Pro Ultra: 220	Roborock Qrevo Curv 2 Pro: 200	Roborock Saros 20: 300
Pet recognition ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Cleaning behind curtains Different ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: No	Roborock Saros 20: Sí
Remote camera access ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Night vision LED ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
AI intelligent cleaning Different ?	Dreame L50s Pro Ultra: Yes, CleanGenius 3.0	Roborock Qrevo Curv 2 Pro: Yes, SmartPlan 3.0	Roborock Saros 20: Yes, SmartPlan 3.0
AI stain recognition ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
CPU / Algorithm ?	Dreame L50s Pro Ultra: ?	Roborock Qrevo Curv 2 Pro: ?	Roborock Saros 20: ?

Advanced Features

Dreame L50s Pro Ultra

Roborock Qrevo Curv 2 Pro

Roborock Saros 20

Ability to overcome steps Different ?	Dreame L50s Pro Ultra: Single step 0.9 in (22 mm) - Double step 40 mm	Roborock Qrevo Curv 2 Pro: Single step 1.2 in (30 mm) - Double step 40 mm	Roborock Saros 20: Single step 1.8 in (45 mm) - Double step 88 mm
Robotic arm ?	Dreame L50s Pro Ultra: No	Roborock Qrevo Curv 2 Pro: No	Roborock Saros 20: No
Integrated own voice assistant ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Compatible with voice assistants (Alexa, Google Home...) ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Sí	Roborock Saros 20: Sí
Matter compatible Different ?	Dreame L50s Pro Ultra: Sí	Roborock Qrevo Curv 2 Pro: Yes, via OTA update	Roborock Saros 20: Sí

Robot Tanks

Dreame L50s Pro Ultra

Roborock Qrevo Curv 2 Pro

Roborock Saros 20

Robot dust bin Different ?	Dreame L50s Pro Ultra: 250 ml	Roborock Qrevo Curv 2 Pro: 245 ml	Roborock Saros 20: 270 ml
Robot water tank Different ?	Dreame L50s Pro Ultra: 80 ml	Roborock Qrevo Curv 2 Pro: 67 ml	Roborock Saros 20: 2.3 fl oz (69 ml)

Robot Dimensions

Dreame L50s Pro Ultra

Roborock Qrevo Curv 2 Pro

Roborock Saros 20

Robot diameter Different ?	Dreame L50s Pro Ultra: 350 mm	Roborock Qrevo Curv 2 Pro: 352 mm	Roborock Saros 20: 353 mm
Robot height Different ?	Dreame L50s Pro Ultra: 103.8 mm	Roborock Qrevo Curv 2 Pro: 79.8 mm	Roborock Saros 20: 79.8 mm

Base Dimensions

Dreame L50s Pro Ultra

Roborock Qrevo Curv 2 Pro

Roborock Saros 20

Base width Different ?	Dreame L50s Pro Ultra: 340 mm	Roborock Qrevo Curv 2 Pro: 450 mm	Roborock Saros 20: 381 mm
Base height Different ?	Dreame L50s Pro Ultra: 590 mm	Roborock Qrevo Curv 2 Pro: 450 mm	Roborock Saros 20: 488 mm
Base depth Different ?	Dreame L50s Pro Ultra: 457 mm	Roborock Qrevo Curv 2 Pro: 450 mm	Roborock Saros 20: 475 mm