Choose Blueair Blue Signature for higher CADR and larger-room coverage and lower noise.
Which purifier has higher CADR?
The Blueair Blue Signature has a smoke CADR of 455 CFM versus 410 CFM for the Levoit Core 600S-P, a difference of 11%.
Which purifier is quieter?
Blueair Blue Signature is quieter (23 vs 26 dB).
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 636 sq ft recommended from CADR).
Which purifier has better smart features?
Both list smart features (7 stages of filtration, 10x more odor removal, Smart VOC sensor, Dynamic display vs Smoke CADR: 391 CFM, Dust CADR: 367 CFM, Pollen CADR: 400 CFM, CADR: 410 CFM).
Which purifier has better filtration?
Blueair Blue Signature lists HEPASilent; Levoit Core 600S-P lists HEPA True HEPA.
Bottom line
Choose Blueair Blue Signature for higher CADR and larger-room coverage and lower noise.
| Metric | Blueair Blue Signature | Levoit Core 600S-P | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 455 CFM | 410 CFM | Blueair Blue Signature (+11%) |
| Recommended room size | 705 sq ft | 636 sq ft | Blueair Blue Signature (+11%) |
| Manufacturer claimed coverage | 3385 sq ft | 2933 sq ft | — |
| Minimum noise | 23 dB | 26 dB | Blueair Blue Signature |
| Filter type | HEPASilent | HEPA True HEPA | — |
| Replacement interval | — | 8 months | — |
| Power | 42 W | 49W | — |
| Wi-Fi / app | Yes | Yes | — |
| Dimensions | 17.2 × 15.5 × 15.5 in | 12.3 × 12.3 × 23.6 in | — |
| Weight | 13.2 lb | 13.7 lb | — |