Choose Levoit Core 600S-P for higher CADR and larger-room coverage and lower noise.
Which purifier has higher CADR?
The Levoit Core 600S-P has a smoke CADR of 410 CFM versus 321 CFM for the Blueair Blue Signature SP3i, a difference of 28%.
Which purifier is quieter?
Levoit Core 600S-P is quieter (26 vs 54 dB).
Which purifier covers a larger room?
Levoit Core 600S-P fits a larger room (about 636 vs 498 sq ft recommended from CADR).
Which purifier has better smart features?
Both list smart features (Smoke CADR: 391 CFM, Dust CADR: 367 CFM, Pollen CADR: 400 CFM, CADR: 410 CFM vs WiFi Smart Control, Auto Mode, Odor & Smoke Removal, AHAM Verified).
Which purifier has better filtration?
Levoit Core 600S-P lists HEPA True HEPA; Blueair Blue Signature SP3i lists HEPASilent.
Bottom line
Choose Levoit Core 600S-P for higher CADR and larger-room coverage and lower noise.
| Metric | Levoit Core 600S-P | Blueair Blue Signature SP3i | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 410 CFM | 321 CFM | Levoit Core 600S-P (+28%) |
| Recommended room size | 636 sq ft | 498 sq ft | Levoit Core 600S-P (+28%) |
| Manufacturer claimed coverage | 2933 sq ft | 2250 sq ft | — |
| Minimum noise | 26 dB | 54 dB | Levoit Core 600S-P |
| Filter type | HEPA True HEPA | HEPASilent | — |
| Replacement interval | 8 months | — | — |
| Power | 49W | 36 W | — |
| Wi-Fi / app | Yes | Yes | — |
| Dimensions | 12.3 × 12.3 × 23.6 in | — | — |
| Weight | 13.7 lb | 9.5 lb | — |