Between the Airmega 200M and 5500-2, the Airmega 200M comes out ahead in min noise / true hepa h13+, while the 5500-2 wins on cadr. Overall, the Airmega 200M scores 56.3 and the 5500-2 scores 56.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (56.3 vs 56.9). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Airmega 200M if you care most about min noise / true hepa h13+. The biggest gaps in its favor are min noise, true hepa h13+.
Pick the 5500-2 if you care most about cadr. Its strongest claims are cadr.
Both ship with comparable coverage, activated carbon, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Why Coway - Airmega 200M wins
- ▲Min noise — 2.00 dB less. 25 vs 27.
- ▲Has True HEPA H13+.
Why Winix - 5500-2 wins
- ▲CADR — 3.75% more. 415 m³/h vs 400 m³/h.
Spec comparison
Performance
| Spec | Coway - Airmega 200M | Winix - 5500-2 |
|---|---|---|
| CADR | 400 m³/h | 415 m³/hlead |
| Coverage | 33 m² | 33 m² |
| True HEPA H13+ | truelead | false |
| Activated carbon | true | true |
Smart & Noise
| Spec | Coway - Airmega 200M | Winix - 5500-2 |
|---|---|---|
| Min noise | 25 dBlead | 27 dB |
| Air quality sensor | true | true |
| Smart app | false | false |
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.