Home › Air Purifiers › Coway Airmega 400S vs Winix 5500-2
Coway Airmega 400S vs Winix 5500-2
Coway's $450 model meets Winix's $160 model. We tally wins category by category, then call a verdict.
Our recommendation
The Coway Airmega 400S wins on more spec categories (6–2), but the Winix 5500-2 undercuts it by $290. Choose the Coway Airmega 400S for performance, the Winix 5500-2 to save.
Coway Airmega 400S: 6 category wins Winix 5500-2: 2 category wins
Side by side
Coway Airmega 400S
$450
Winix 5500-2
$160
CADR
350 CFMWin
243 CFM
Coverage
115 m²Win
33 m²
Noise (low)
22 dBWin
27 dB
Noise (high)
52 dBWin
56 dB
True HEPA
Yes
Yes
Activated carbon
Yes
Yes
Smart app
YesWin
No
Voice control
YesWin
No
Filter cost / yr
110 USD
70 USDWin
Dimensions
35 × 35 × 57 cm
38 × 21 × 60 cm
Weight
11.4 kg
6.8 kgWin
Coway Airmega 400S
A dual-intake powerhouse that covers huge rooms with deep carbon and a slick smart app.
Winix 5500-2
A budget legend with washable carbon, true HEPA, and PlasmaWave for tackling smoke and odors.
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