Choose Coway Airmega 200M for lower noise.
Which purifier has higher CADR?
The Coway Airmega 200M has a smoke CADR of 246 CFM versus 243 CFM for the Winix 5500-2, a difference of 1%.
Which purifier is quieter?
Coway Airmega 200M is quieter (24 vs 27 dB).
Which purifier covers a larger room?
Coway Airmega 200M fits a larger room (about 381 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 better filtration?
Coway Airmega 200M lists Green True HEPA; Winix 5500-2 lists True HEPA + PlasmaWave.
Bottom line
Choose Coway Airmega 200M for lower noise.
| Metric | Coway Airmega 200M | Winix 5500-2 | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 246 CFM | 243 CFM | Coway Airmega 200M (+1%) |
| Recommended room size | 381 sq ft | 377 sq ft | Coway Airmega 200M (+1%) |
| Minimum noise | 24 dB | 27 dB | Coway Airmega 200M |
| Filter type | Green True HEPA | True HEPA + PlasmaWave | — |
| Wi-Fi / app | No | No | — |