Between the Airmega 400 and Core 600S, the Airmega 400 comes out ahead in cadr and min noise, while the Core 600S wins on several specs. Overall, the Airmega 400 scores 78.3 and the Core 600S scores 77.4 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (78.3 vs 77.4). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the Airmega 400 if you care most about cadr and min noise. The biggest gaps in its favor are cadr, min noise.
The Core 600S similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable coverage, true hepa h13+, activated carbon, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Coway - Airmega 400 wins
- ▲CADR — 3.68% more. 705 m³/h vs 680 m³/h.
- ▲Min noise — 2.00 dB less. 22 vs 24.
Why Levoit - Core 600S wins
- No decisive advantages.
Spec comparison
Performance
| Spec | Coway - Airmega 400 | Levoit - Core 600S |
|---|---|---|
| CADR | 705 m³/hlead | 680 m³/h |
| Coverage | 60 m² | 60 m² |
| True HEPA H13+ | true | true |
| Activated carbon | true | true |
Smart & Noise
| Spec | Coway - Airmega 400 | Levoit - Core 600S |
|---|---|---|
| Min noise | 22 dBlead | 24 dB |
| Air quality sensor | true | true |
| Smart app | true | true |
Frequently asked
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.