Coway Airmega 400S vs Winix 5510
Side-by-side comparison based on published product information. Check Amazon for current price and availability.
How we evaluate products
We compare published manufacturer specifications, manuals, support policies, and relevant public guidance. We do not present unpublished laboratory or in-home measurements as our own testing.
Features and services can change, so confirm current details with the manufacturer before buying. Affiliate commissions do not determine our editorial criteria.
Use the feature table below to match published specifications to your room, filtration, and noise requirements. We do not assign an overall score without retained independent test evidence.
Feature comparison
| Feature | Coway Airmega 400S | Winix 5510 |
|---|---|---|
| Coverage | 492 sq ft (4.8 ACH) | 380 sq ft (4.8 ACH) |
| CADR | 328 / 328 / 400 CFM (Smoke / Dust / Pollen) | 253 / 252 / 247 CFM (Smoke / Dust / Pollen) |
| Filter type | Dual washable pre-filter + Max2 filter set (activated carbon + True HEPA) | Washable pre-filter + True HEPA + Carbon + PlasmaWave |
| Noise level | 22-52 dB (rated) | 28-60 dB |
| Weight | 24.7 lbs | 15.4 lbs |