Choose Levoit Core P350-P for higher CADR and larger-room coverage and lower noise. Choose Blueair Blue Signature SP3i if you want Wi-Fi or app control.
Which purifier has higher CADR?
The Levoit Core P350-P has a smoke CADR of 365 CFM versus 321 CFM for the Blueair Blue Signature SP3i, a difference of 14%.
Which purifier is quieter?
Levoit Core P350-P is quieter (24 vs 54 dB).
Which purifier covers a larger room?
Levoit Core P350-P fits a larger room (about 566 vs 498 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature SP3i lists Wi-Fi or app control; Levoit Core P350-P does not.
Which purifier has better filtration?
Levoit Core P350-P lists 3-In-1 Filter; Blueair Blue Signature SP3i lists HEPASilent.
Bottom line
Choose Levoit Core P350-P for higher CADR and larger-room coverage and lower noise. Choose Blueair Blue Signature SP3i if you want Wi-Fi or app control.
| Metric | Levoit Core P350-P | Blueair Blue Signature SP3i | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 365 CFM | 321 CFM | Levoit Core P350-P (+14%) |
| Recommended room size | 566 sq ft | 498 sq ft | Levoit Core P350-P (+14%) |
| Manufacturer claimed coverage | 1050 sq ft | 2250 sq ft | — |
| Minimum noise | 24 dB | 54 dB | Levoit Core P350-P |
| Filter type | 3-In-1 Filter | HEPASilent | — |
| Power | 56 watts | 36 W | — |
| Wi-Fi / app | No | Yes | — |
| Dimensions | 8.7D × 8.7W × 14.2H in | — | — |
| Weight | 7.5 lb | 9.5 lb | — |