Frequently Asked Questions
Which robot vacuum has stronger suction, Roborock S5 or Eufy 11S?
The Roborock S5 has 2000 Pa of suction, while the Eufy 11S has 1300 Pa, making the S5 better for pet hair and deep carpet.
Does the Eufy 11S use LiDAR navigation?
No, the Eufy 11S uses camera-based navigation with a simple optical sensor, so it bumps around randomly instead of cleaning in organized lines like the S5’s LiDAR.
Can the Eufy RoboVac 11S mop floors?
No, the Eufy 11S does not have a mopping function, whereas the Roborock S5 includes a water tank attachment for light mopping.
Which vacuum is better for a large home with lots of furniture?
The Roborock S5 is better for large homes because its LiDAR navigation cleans efficiently in neat lines and saves time and battery, while the Eufy 11S wanders more.
What is the price range for a used Roborock S5 versus a new Eufy 11S?
The Roborock S5 is typically $200–$350 used (originally $500), while the Eufy 11S is $200–$250 new, so both are similar in cost but the S5 is used.
The choice boils down to this: are you comfortable with a used appliance to get more features and smarts, or do you want the safety net of warranty and newness at the cost of less capability? The S5 is the more “impressive” robot—it feels like the future of cleaning, even if that future is a few years old. The 11S is the sensible choice—it does the job, asks for nothing fancy, and won’t stress you out if something goes wrong next month. Neither is a bad pick; they’re just different flavors of smart.
Whatever you choose, know this: you’re not buying a luxury item, you’re buying your time back. The “best” robot vacuum is the one you’ll actually use, the one that fits your home, and the one that makes you feel good about the purchase. Trust your gut on that part, because no spec sheet can measure that for you.