Choose Dreame AirPursue PM20 for higher CADR and larger-room coverage. Choose Coway AP-1512HH if you want lower noise.
Which purifier has higher CADR?
The Dreame AirPursue PM20 has a smoke CADR of 400 CFM versus 233 CFM for the Coway AP-1512HH, a difference of 72%.
Which purifier is quieter?
Coway AP-1512HH is quieter (24 vs 60 dB).
Which purifier covers a larger room?
Dreame AirPursue PM20 fits a larger room (about 620 vs 361 sq ft recommended from CADR).
Which purifier has better smart features?
Neither lists Wi-Fi or app control in our sources.
Which purifier has better filtration?
Dreame AirPursue PM20 lists HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp; Coway AP-1512HH lists HEPA.
Bottom line
Choose Dreame AirPursue PM20 for higher CADR and larger-room coverage. Choose Coway AP-1512HH if you want lower noise.
| Metric | Dreame AirPursue PM20 | Coway AP-1512HH | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 400 CFM | 233 CFM | Dreame AirPursue PM20 (+72%) |
| Recommended room size | 620 sq ft | 361 sq ft | Dreame AirPursue PM20 (+72%) |
| Manufacturer claimed coverage | 7534 sq ft | 1748 sq ft | — |
| Minimum noise | 60 dB | 24 dB | Coway AP-1512HH |
| Filter type | HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp | HEPA | — |
| Replacement interval | — | 6 months for deodorization filter, 1 year for HEPA filter | — |
| Power | — | 77 W | — |
| Wi-Fi / app | No | No | — |
| Dimensions | 14.9 × 14.9 × 33.4 in | 16.8 × 18.3 × 9.6 in | — |
| Weight | — | 12.3 lb | — |