The Best Robot Vacuum Just Got Better: eufy Omni S2 vs S1 Pro

The eufy Omni S2 is built around a simple idea: most robot vacuums don’t actually fail. They just get worse over time.

Suction fades, mops start spreading yesterday’s mess, and what once felt smart slowly turns into something you babysit. The eufy Omni S2 is built around a very specific idea: long‑lasting deep clean. Not peak performance on day one, but consistent vacuuming and mopping that holds up as real life piles on.

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Under the hood, the S2 is chasing best‑in‑class cleaning performance with some genuinely different choices. A multi‑cone cyclone lives inside the robot to protect airflow over time, paired with 30,000 Pa of suction and a more aggressive HydroJet 2.0 roller mop system designed to handle tougher messes in fewer passes. It is a robot that takes carpets seriously, understands thresholds instead of fearing them, and adjusts its strategy based on what kind of room it is actually in.

What makes the Omni S2 compelling is how function and feeling meet. The design is confident and intentional, the dock feels like an appliance rather than an accessory, and the experience is clearly aimed at making cleaning feel finished instead of merely done. It is less about specs on a box and more about elevating the everyday routine, solving the hard problems quietly, and staying good long after the honeymoon period is over.