Blueair Blue Pure 411i Max vs Coway Airmega Mighty2 (AP-1512N)
Two of the bedroom & small-room air purifiers in our best bedroom & small-room air purifiers: quietest levoit, coway, blueair & winix comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.
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Best for: 19 dB on low, 46 dB on high
Check price at AmazonBest for: The Mighty's successor with a laser PM sensor
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | Blueair Blue Pure 411i Max | Coway Airmega Mighty2 (AP-1512N) | Weight |
|---|---|---|---|
| Quietest settingThe lowest listed noise level, usually sleep mode. Under about 25 dB is near-silent in a bedroom. Shark and Honeywell don't list noise, so they score at the lowest published value in the category. | 19 dB | 19 dB | 30% |
| Smoke CADRSmoke CADR when listed (Levoit lists one headline CADR). About 100 CFM suits a 150 sq ft bedroom, and 160 CFM suits 240 sq ft. | 167 CFM | 240 CFM | 25% |
| Loudest settingTop-speed noise, for when you boost it after cooking or during pollen season. Left out when the maker lists only the minimum. | 46 dB | 50 dB | 15% |
| CADR per wattComputed by us: smoke CADR divided by rated power. A bedroom unit often runs all night, every night. | 8.3 CFM/W | 4.3 CFM/W | 10% |
| Carbon or odor stage includedYes when the included filter has an activated-carbon or deodorization layer, per the maker's page. | Yes | Yes | 10% |
| Main filter lifeThe maker's 'up to' life for the main filter. Usage assumptions vary by brand. | 12 months | 12 months | 10% |
| CADR (smoke / dust / pollen) | 167 / 174 / 189 | 240 / 242 / 249 | info |
| Recommended room | 259 ft² (4.8 ACH) | Not listed | info |
| Filter | Particle + carbon | Washable pre-filter + Max2 (activated carbon + HEPA) | info |
| Filter life | Up to 1 year (RealTrack) | 1 year | info |
| Noise | 19 dB low, 46 dB high | 19–50 dB | info |
| Power | 20 W | 56 W | info |
| Weight | 8.38 lb | 15.2 lb | info |
| Coverage | Not listed | 1,800 ft² at 1 air change/hr | info |
| Sensor | Not listed | PM1, PM2.5, PM10 | info |
| AirPick score | 7.2/10 | 7.1/10 | 100% |
Where each one comes out ahead
Blueair Blue Pure 411i Max
Better published figure on: Loudest setting, CADR per watt.
What we like
- Quietest top speed in this group (46 dB)
- 8.4 CFM per watt
Watch out for
- 259 ft² recommended room
Coway Airmega Mighty2 (AP-1512N)
Better published figure on: Smoke CADR.
What we like
- 240 CFM
- 19 dB low
Watch out for
- 56 W
- 15.2 lb
Verdict
On published specs, the Blueair Blue Pure 411i Max scores higher (7.2 vs 7.1). Specs don't capture sound character or feel, so weigh the pros and cons above too.
- Choose the Blueair Blue Pure 411i Max if this sounds like you: 19 dB on low, 46 dB on high.
- Choose the Coway Airmega Mighty2 (AP-1512N) if this sounds like you: the Mighty's successor with a laser PM sensor.
- Blueair Blue Pure 411i Max: Blueair: Blue Pure 411i Max
- Coway Airmega Mighty2 (AP-1512N): Coway: Airmega Mighty2