Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Honeywell - HPA300 | Levoit - Core 300S |
|---|---|---|
| CADR | 510 m³/h | 230 m³/h |
| Coverage | 44 m² | 20 m² |
| Min noise | 32 dB | 24 dB |
| True HEPA H13+ | true | false |
Between the HPA300 and Core 300S, the HPA300 comes out ahead in cadr / coverage, while the Core 300S wins on min noise. Overall, the HPA300 scores 74.4 and the Core 300S scores 55.8 on our Mars Score.
Which should you buy?
The HPA300 is the clear pick on raw spec strength, leading by 18.6 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 HPA300 if you care most about cadr / coverage. The biggest gaps in its favor are cadr, coverage, true hepa h13+. The single most decisive one: CADR — 121.74% more. 510 m³/h vs 230 m³/h.
Pick the Core 300S if you care most about min noise. Its strongest claims are min noise. The single most decisive one: Min noise — 8.00 dB less. 24 vs 32.
Both ship with comparable activated carbon, so those specs do not separate the two — focus on the differences below.
Bottom line: the HPA300 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Honeywell - HPA300 or Levoit - Core 300S?
Honeywell - HPA300 leads the current Mars Score by 18.6 points.The more useful decision is the trade-off behind that result: compare cadr, coverage, true hepa h13+, min noise against the way you will actually use the product.
Choose Honeywell - HPA300 if…
Honeywell - HPA300 has the measurable edge on cadr m3h, coverage m2, has hepa 13.
Choose Levoit - Core 300S if…
Levoit - Core 300S has the measurable edge on noise db min.
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 Honeywell - HPA300 wins
- ▲CADR — 121.74% more. 510 m³/h vs 230 m³/h.
- ▲Coverage — 120.00% more. 44 m² vs 20 m².
- ▲Has True HEPA H13+.
Why Levoit - Core 300S wins
- ▲Min noise — 8.00 dB less. 24 vs 32.
Spec comparison
Performance
| Spec | Honeywell - HPA300 | Levoit - Core 300S |
|---|---|---|
| CADR | 510 m³/hlead | 230 m³/h |
| Coverage | 44 m²lead | 20 m² |
| True HEPA H13+ | truelead | false |
| Activated carbon | true | true |
Smart & Noise
| Spec | Honeywell - HPA300 | Levoit - Core 300S |
|---|---|---|
| Min noise | 32 dB | 24 dBlead |
| Air quality sensor | false | truelead |
| Smart app | false | truelead |