Between the Airmega 400 and Purifier Cool TP10, the Airmega 400 comes out ahead in cadr and min noise, while the Purifier Cool TP10 wins on several specs. Overall, the Airmega 400 scores 78.3 and the Purifier Cool TP10 scores 64.2 on our Mars Score.
Which should you buy?
The Airmega 400 is the clear pick on raw spec strength, leading by 14.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Airmega 400 if you care most about cadr and min noise. The biggest gaps in its favor are cadr, min noise.
The Purifier Cool TP10 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: the Airmega 400 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Coway - Airmega 400 wins
- ▲CADR — 101.43% more. 705 m³/h vs 350 m³/h.
- ▲Min noise — 10.00 dB less. 22 vs 32.
Why Dyson - Purifier Cool TP10 wins
- No decisive advantages.
Spec comparison
Performance
| Spec | Coway - Airmega 400 | Dyson - Purifier Cool TP10 |
|---|---|---|
| CADR | 705 m³/hlead | 350 m³/h |
| Coverage | 60 m² | 60 m² |
| True HEPA H13+ | true | true |
| Activated carbon | true | true |
Smart & Noise
| Spec | Coway - Airmega 400 | Dyson - Purifier Cool TP10 |
|---|---|---|
| Min noise | 22 dBlead | 32 dB |
| Air quality sensor | true | true |
| Smart app | true | true |
Spec-level deep dives
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