Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Levoit - Core 300S | Winix - 5500-2 |
|---|---|---|
| CADR | 230 m³/h | 415 m³/h |
| Coverage | 20 m² | 33 m² |
| Min noise | 24 dB | 27 dB |
Between the Core 300S and 5500-2, the Core 300S comes out ahead in min noise, while the 5500-2 wins on cadr / coverage. Overall, the Core 300S scores 55.8 and the 5500-2 scores 60.1 on our Mars Score.
Which should you buy?
The 5500-2 edges ahead on the Mars Score (55.8 vs 60.1), but the 4.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Core 300S if you care most about min noise. The biggest gaps in its favor are min noise. The single most decisive one: Min noise — 3.00 dB less. 24 vs 27.
Pick the 5500-2 if you care most about cadr / coverage. Its strongest claims are cadr, coverage. The single most decisive one: CADR — 80.43% more. 415 m³/h vs 230 m³/h.
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: Levoit - Core 300S or Winix - 5500-2?
Winix - 5500-2 leads the current Mars Score by 4.3 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 Levoit - Core 300S if…
Levoit - Core 300S has the measurable edge on noise db min.
Choose Winix - 5500-2 if…
Winix - 5500-2 has the measurable edge on cadr m3h, 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 Levoit - Core 300S wins
- ▲Min noise — 3.00 dB less. 24 vs 27.
Why Winix - 5500-2 wins
- ▲CADR — 80.43% more. 415 m³/h vs 230 m³/h.
- ▲Coverage — 65.00% more. 33 m² vs 20 m².
Spec comparison
Performance
| Spec | Levoit - Core 300S | Winix - 5500-2 |
|---|---|---|
| CADR | 230 m³/h | 415 m³/hlead |
| Coverage | 20 m² | 33 m²lead |
| True HEPA H13+ | false | false |
| Activated carbon | true | true |
Smart & Noise
| Spec | Levoit - Core 300S | Winix - 5500-2 |
|---|---|---|
| Min noise | 24 dBlead | 27 dB |
| Air quality sensor | true | true |
| Smart app | truelead | false |