22 facts in comparison
Levoit Core 400S vs Levoit Eleva 300X
This comparison puts the Levoit Core 400S and Levoit Eleva 300X side by side — two Air Purifiers measured against the same 22-spec sheet, with every meaningful gap scored and explained. On our weighted VS Score the Levoit Eleva 300X finishes ahead, 73 to 66 — a solid lead.
The most consequential difference is true HEPA filter — the Levoit Eleva 300X has it, the Levoit Core 400S does not. Street prices currently start at $ 239.99 for the Levoit Core 400S and $ 129.99 for the Levoit Eleva 300X. That is a $ 110 premium for the Levoit Core 400S — worth keeping in mind as you read the score gaps below. A transparency note before you dive in: the spec sheets are Levoit Core 400S 95% and Levoit Eleva 300X 86% complete. Anything unverified shows as Unknown and is left out of the scores — we never estimate a missing value.
Where the Levoit Core 400S beats the Levoit Eleva 300X
- A higher CADR (smoke) ?231 CFM vs 161 CFM
- A higher coverage area ?358 sq ft vs 250 sq ft
Where the Levoit Eleva 300X beats the Levoit Core 400S
- Has true HEPA filter ?
- A much higher filter life ?24 months vs 7 months
- A lower min noise level ?20 dB vs 24 dB
- A slightly lower max noise level ?50 dB vs 52 dB
- A lower power consumption ?25.5 W vs 38 W
- A lighter build ?4.8 kg vs 6.5 kg
- A more compact design ?383 mm vs 520 mm
Key real-world differences
The spec sheet pulls in both directions. These are the gaps big enough to shape the decision — with the actual figures, and what each one means in real-world use.
- True HEPA filterFiltrationNo vs Yes — only the Levoit Eleva 300X has it
A certified HEPA filter captures 99.97% of 0.3-micron particles.
- Filter lifeFiltration7 months vs 24 months — 3.4× more for the Levoit Eleva 300X
How long the main filter lasts before replacement.
- CADR (smoke)Performance231 CFM vs 161 CFM — 30% more for the Levoit Core 400S
Clean Air Delivery Rate — how quickly smoke particles are scrubbed from the air.
- Coverage areaPerformance358 sq ft vs 250 sq ft — 30% more for the Levoit Core 400S
The room size the purifier is rated to clean effectively.
- Min noise levelNoise & power24 dB vs 20 dB — 17% less for the Levoit Eleva 300X
The lowest-speed noise output; quieter suits bedrooms.
Which one should you buy?
There is no single answer — it depends on what you will actually use it for. Match your priority to the pick below.
- Best for performance Levoit Core 400S takes the category 100 to 27 — driven by CADR (smoke) (231 CFM vs 161 CFM).
- Best for filtration Levoit Eleva 300X takes the category 100 to 38 — driven by true HEPA filter (No vs Yes).
- Best for noise & power Levoit Eleva 300X takes the category 100 to 17 — driven by min noise level (24 dB vs 20 dB).
- Best for design Levoit Eleva 300X takes the category 100 to 0 — driven by weight (6.5 kg vs 4.8 kg).
- On a budget Levoit Eleva 300X is the cheaper way in at $ 129.99, and still scores 73 overall.
- The safe all-rounder Levoit Eleva 300X wins more of the categories that carry real weight, topping the overall VS Score at 73.
Where each one falls short
Levoit Core 400S
- True HEPA filter: No vs Yes
- Filter life: 7 months vs 24 months
- Min noise level: 24 dB vs 20 dB
- 1 spec is unreported (shown as Unknown) and excluded from its scores.
Levoit Eleva 300X
- CADR (smoke): 231 CFM vs 161 CFM
- Coverage area: 358 sq ft vs 250 sq ft
- 3 specs are unreported (shown as Unknown) and excluded from its scores.
What matters to you?
Drag the sliders to weight each category and re-rank the products to suit your priorities.
Score breakdown
Performance
Filtration
Noise & power
Design
Smart features
Specs last verified September 4, 2026Levoit Core 400S: 21 of 22 specs verified (95%)Levoit Eleva 300X: 19 of 22 specs verified (86%)Unverified specs show as Unknown — never estimated, never scored
Where to buy
Prices and availability may change. Check the retailer before buying. We may earn a commission on purchases.
What reviewers say
The bottom line
The Levoit Eleva 300X comes out ahead, scoring 73 to 66 on our VS Score. It leads on Filtration, Noise & power and Design. The Levoit Core 400S answers back with stronger Performance. Pick the Levoit Eleva 300X unless Performance matters most to you — then the Levoit Core 400S is the smarter buy. It is also the most affordable of the bunch, which makes the choice easier still.
