Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Coway Airmega 150.
Which purifier has higher CADR?
Dreame AirPursue PM20 has higher CADR (400 vs 152 CFM).
Which purifier is quieter?
Coway Airmega 150 is quieter (40 vs 60 dB).
Which purifier covers a larger room?
Dreame AirPursue PM20 fits a larger room (about 620 vs 237 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?
Coway Airmega 150 lists a replacement interval of 12 months; Dreame AirPursue PM20 does not.
Bottom line
Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Coway Airmega 150.
| Metric | Dreame AirPursue PM20 | Coway Airmega 150 |
|---|---|---|
| CADR (smoke) | 400 CFM | 152.8 CFM |
| Recommended room size | 620 sq ft | 237 sq ft |
| Claimed coverage | 7534 sq ft | 1035 sq ft |
| Noise | 60 dB | 40 dB |
| Filter type | HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp | HEPA, Carbon |
| Filter interval | — | 12 months |
| Smart features | None | None |