Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Winix 5500-2.
Which purifier has higher CADR?
Dreame AirPursue PM20 has higher CADR (400 vs 243 CFM).
Which purifier is quieter?
Winix 5500-2 is quieter (27 vs 60 dB).
Which purifier covers a larger room?
Dreame AirPursue PM20 fits a larger room (about 620 vs 377 sq ft recommended from CADR).
Which purifier has better smart features?
Neither lists Wi-Fi or app control in our sources.
Which purifier has longer filter life?
Filter replacement interval is not published for either model.
Bottom line
Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Winix 5500-2.
| Metric | Dreame AirPursue PM20 | Winix 5500-2 |
|---|---|---|
| CADR (smoke) | 400 CFM | 243 CFM |
| Recommended room size | 620 sq ft | 377 sq ft |
| Claimed coverage | 7534 sq ft | — |
| Noise | 60 dB | 27 dB |
| Filter type | HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp | True HEPA + PlasmaWave |
| Filter interval | — | — |
| Smart features | None | auto mode, air-quality sensor |