eufy HydroJet S2 vs Roborock Saros 10R

Technical comparison · Robot vacuums and mops

In brief

Roborock Saros 10R holds the category award «Most capable». eufy HydroJet S2 and Roborock Saros 10R differ in obstacle avoidance and declared data server region; on the measurable specs neither model is ahead: the differences are of design, not of level. On the category's technical index, Roborock Saros 10R ranks #1 of 30, eufy HydroJet S2 #30.

Parameter
eufy HydroJet S2 HydroJet S2 eufy F4 · Semi-professional
Roborock Saros 10R Saros 10R Roborock F4 · Semi-professional
Awards —
Identity
Launch year 2025 2025
Use tier F4 — Semi-professional F4 — Semi-professional
Price
Price ~1000–2200 € ~1000–2200 €
Price updated on 09/2026 09/2026
Universal specs
Dimensions (W×D×H) – × – × 9.8 cm —
Weight 5.2 kg —
Voltage — 220 V
Category specs
Cleaning functions Vacuums, Mops Vacuums, Mops
Availability in Europe On sale On sale
Suction power 30000 Pa —
Navigation system — Solid-state LiDAR
Release year 2025 2025
Onboard camera Yes Yes
Obstacle avoidance 3D time-of-flight sensor, Camera with AI recognition 3D time-of-flight sensor, Structured light, Camera with AI recognition
Onboard microphone No Yes
Where object recognition runs — On the device
Robot height — 79.8 mm
Declared data server region Multiple regions European Union
Maximum threshold height — 40 mm
Battery capacity 4600 mAh 6400 mAh
Live video from the app — Yes
Charging time 240 min 180 min
Water tank capacity 120 ml —
Mopping system Roller with continuous rinsing Rotating discs
Mop lifting height — 22 mm
Guaranteed years of updates — 2 anni
Extending mop for edges Yes Yes
Dock functions Automatic emptying, Mop washing, Hot water washing, Warm air drying, Detergent dispenser Automatic emptying, Mop washing, Hot water washing, Warm air drying, Detergent dispenser
Wi-Fi bands 2.4 GHz 2.4 GHz
App eufy Roborock
Mop washing water temperature 60 °C 80 °C
Days between bag changes 68 giorni —
Main brush type — Dual rubber rollers
Anti-tangle declared Yes Yes
Carpet handling — Lifts the mop
Matter Built in —
Built-in voice assistant — Commands recognised on board
Cliff sensors Yes —

CobotCompare Awards

eufy HydroJet S2

No awards in this tier.

Roborock Saros 10R

Most capable Semi-professional

Highest technical score among the 9 sheets in the Robot vacuums and mops category (semi-professional tier): 91/100.

How we assign awards →

The differences that matter

  • Obstacle avoidance: eufy HydroJet S2 3D time-of-flight sensor, Camera with AI recognition · Roborock Saros 10R 3D time-of-flight sensor, Structured light, Camera with AI recognition
  • Declared data server region: eufy HydroJet S2 Multiple regions · Roborock Saros 10R European Union
  • Mopping system: eufy HydroJet S2 Roller with continuous rinsing · Roborock Saros 10R Rotating discs

In short

eufy HydroJet S2

Design differences: declared data server region: multiple regions; mopping system: roller with continuous rinsing.

See the eufy HydroJet S2 sheet →

Roborock Saros 10R

Category award: «Most capable».

See the Roborock Saros 10R sheet →

This comparison points to the two product pages, where you'll find the complete data and the official links.