Blueair - Blue Pure 311i+ Max vs Dyson - Purifier Hot+Cool HP10
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Blueair - Blue Pure 311i+ Max | Dyson - Purifier Hot+Cool HP10 |
|---|---|---|
| CADR | 500 m³/h | 300 m³/h |
| Coverage | 35 m² | 50 m² |
| Min noise | 23 dB | 30 dB |
Between the Blue Pure 311i+ Max and Purifier Hot+Cool HP10, the Blue Pure 311i+ Max comes out ahead in cadr / min noise, while the Purifier Hot+Cool HP10 wins on coverage. Overall, the Blue Pure 311i+ Max scores 77.4 and the Purifier Hot+Cool HP10 scores 72.5 on our Mars Score.
Which should you buy?
The Blue Pure 311i+ Max edges ahead on the Mars Score (77.4 vs 72.5), but the 4.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Blue Pure 311i+ Max if you care most about cadr / min noise. The biggest gaps in its favor are cadr, min noise. The single most decisive one: CADR — 66.67% more. 500 m³/h vs 300 m³/h.
Pick the Purifier Hot+Cool HP10 if you care most about coverage. Its strongest claims are coverage. The single most decisive one: Coverage — 42.86% more. 50 m² vs 35 m².
Both ship with comparable true hepa h13+, 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.
Which should you buy: Blueair - Blue Pure 311i+ Max or Dyson - Purifier Hot+Cool HP10?
Blueair - Blue Pure 311i+ Max leads the current Mars Score by 4.9 points.The more useful decision is the trade-off behind that result: compare cadr, coverage, min noise against the way you will actually use the product.
Choose Blueair - Blue Pure 311i+ Max if…
Blueair - Blue Pure 311i+ Max has the measurable edge on cadr m3h, noise db min.
Choose Dyson - Purifier Hot+Cool HP10 if…
Dyson - Purifier Hot+Cool HP10 has the measurable edge on coverage m2.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Blueair - Blue Pure 311i+ Max wins
- ▲CADR — 66.67% more. 500 m³/h vs 300 m³/h.
- ▲Min noise — 7.00 dB less. 23 vs 30.
Why Dyson - Purifier Hot+Cool HP10 wins
- ▲Coverage — 42.86% more. 50 m² vs 35 m².
Spec comparison
Performance
| Spec | Blueair - Blue Pure 311i+ Max | Dyson - Purifier Hot+Cool HP10 |
|---|---|---|
| CADR | 500 m³/hlead | 300 m³/h |
| Coverage | 35 m² | 50 m²lead |
| True HEPA H13+ | true | true |
| Activated carbon | true | true |
Smart & Noise
| Spec | Blueair - Blue Pure 311i+ Max | Dyson - Purifier Hot+Cool HP10 |
|---|---|---|
| Min noise | 23 dBlead | 30 dB |
| Air quality sensor | true | true |
| Smart app | true | true |