| Robot | Type | Measured suction | Our take |
|---|---|---|---|
| Dolphin Premier | Corded cleaner | 2.2 PSI | Strongest suction we've measured |
| Clear UV | Corded cleaner | 2.09 PSI | Built-in UV sanitation, second-strongest ever |
| Dolphin Sigma | Corded cleaner | 2.0 PSI | Widest intake path, best app |
| Dolphin Quantum Pro | Corded cleaner | 1.9 PSI | Best value in the ProLine range |
| Beatbot AquaSense 2 | Cordless cleaner | 1.6 PSI | Strongest cordless reading, full battery |
| Dolphin Cayman | Corded cleaner | 1.5 PSI | Best budget pick with a weekly timer |
Suction is one factor among many. Read the full reviews for filtration, navigation, runtime, and long-term reliability notes — or see the full 20+ robot suction leaderboard.
