Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Winix 5520.
Which purifier has higher CADR?
Dreame AirPursue PM20 has higher CADR (400 vs 252 CFM).
Which purifier is quieter?
Winix 5520 is quieter (40 vs 60 dB).
Which purifier covers a larger room?
Dreame AirPursue PM20 fits a larger room (about 620 vs 391 sq ft recommended from CADR).
Which purifier has better smart features?
Winix 5520 lists Wi-Fi or app control; Dreame AirPursue PM20 does not.
Which purifier has longer filter life?
Winix 5520 lists a replacement interval of 12; Dreame AirPursue PM20 does not.
Bottom line
Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Winix 5520.
| Metric | Dreame AirPursue PM20 | Winix 5520 |
|---|---|---|
| CADR (smoke) | 400 CFM | 252 CFM |
| Recommended room size | 620 sq ft | 391 sq ft |
| Claimed coverage | 7534 sq ft | 1882 sq ft |
| Noise | 60 dB | 40 dB |
| Filter type | HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp | True HEPA, AOC™ Carbon |
| Filter interval | — | 12 |
| Smart features | None | None |