🎯Roborock S8 Pro Ultra vs iRobot Roomba j9+: Which Is the Best Robot Vacuum in 2025?

Two Titans of Cleaning: Roborock S8 Pro Ultra vs Roomba j9+

Robot vacuums have come a long way — and in 2025, two models dominate the premium category: the Roborock S8 Pro Ultra and the iRobot Roomba j9+. But which is the right choice for your smart home? Let's compare features, performance, and value to help you decide.

🧠 Smart Features & Navigation

• Roborock S8 Pro Ultra: ReactiveAI 2.0 obstacle avoidance, 3D mapping, auto mop lifting
• Roomba j9+: PrecisionVision navigation, Dirt Detect tech, Clean Base Auto-Empty

Winner: Roborock edges out with more advanced obstacle recognition and multi-level mapping.

💪 Cleaning Power

• Suction: Roborock - 6000Pa | Roomba - 2500Pa
• Mopping: Roborock S8 has VibraRise mop | Roomba j9+ has no mop function

Winner: Roborock offers stronger suction and integrated mopping.

🔋 Battery Life & Auto-Empty

• Roborock: 180 mins runtime, auto mop washing & drying, auto-dustbin emptying
• Roomba: 120 mins runtime, Clean Base auto-empty bin (no mop station)

Winner: Roborock again with a full hands-free cleaning dock.

📱 App & Smart Home Integration

• Both support Alexa, Google Assistant
• Roborock app offers more customization and 3D mapping
• Roomba app excels in AI-based cleaning suggestions

Winner: Tie – depends on your smart home ecosystem.

Final Verdict

If you're after an all-in-one cleaning station with advanced mopping, go with Roborock S8 Pro Ultra. But if you want simple, reliable vacuuming with great support, the Roomba j9+ is still a strong contender.