
Levoit Core 600S Smart True HEPA
Air purifiers
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Air purifiers

Air purifiers
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Your starting point
We compare the published specifications relevant to your priority. Each rankable specification counts once; your selected requirements can rule a product out. This is a guide to the numbers, not a laboratory performance score.
Coverage area: 1,588 sq ft vs 403 sq ft
Levoit Core 400S is $80 cheaper. Pay the difference only if cadr matters to you.
The trade-off to know
Levoit Core 600S Smart True HEPA: Activated carbon filter layer is thinner for heavy smoke odors
Look at the differences ↓Side by side
Start with the key specs, then explore as much as you need.
| What you’re comparing | Levoit Core 600S Smart True HEPA | Levoit Core 400S |
|---|---|---|
| CADRPerformance | 410 CFM (Smoke), 400 CFM (Dust), 420 CFM (Pollen) | 260 CFM / 442 m³/h (Smoke), 260 CFM (Dust), 260 CFM (Pollen) |
| Room sizePerformance | Extra-large spaces, open-concept homes, basements | Bedrooms, apartments, mid-size living spaces |
| Coverage areaPerformance | 1,588 sq ft (2 air changes/hr) / 635 sq ft (5 air changes/hr) | 403 sq ft (5 air changes/hr) / 990 sq ft (2 air changes/hr) |
| Filter typesFilters | 3-Stage True HEPA (Pre-filter + H13 True HEPA + High-efficiency Custom Carbon) | 3-Stage: Nylon Pre-filter + H13 True HEPA + High-Efficiency Activated Carbon |
| Filter lifeFilters | 6–12 months depending on air quality | 6–12 months |
Showing 5 of 11 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
Beyond the spec sheet
Explore the ownership details available for this pair.
Levoit sibling models compared across generations.
Our recommendation: Compare the spec differences below to see if the price premium justifies the newer model's additions.
Levoit Core 600S Smart True HEPA
Levoit Core 400S
Physical clearance required for airflow, wall placement, and bedroom noise levels.
Wall Clearance Required
Requires 12 in perimeter airflow space
360° intake requires 15 in perimeter clearance from walls
Nighttime Sleep Mode Noise
Standard sleep speed
24 dB quiet sleep mode
Unit Footprint & Dimensions
Standard room purifier footprint
Mid-sized cylinder (10.8 × 10.8 × 20.5 in; 11.0 lb)
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Core 600S Smart True HEPA: What to watch for
Requires periodic filter replacements to maintain airflow and odor capture.
Core 400S: What to watch for
Requires periodic filter replacements to maintain airflow and odor capture.
Know what’s behind the comparison
Clinchmark compares manufacturer specifications and other published information. We have not independently lab-tested these products. Editorial assessments and unknown values are identified in the specification details.
Catalog snapshot: September 1, 2026. Prices, availability, and provider terms can change.
Levoit Core 400S costs $80 less at list price.
Levoit Core 400S has this deal-breaker: under 1,000 sq ft coverage. Undersized for an open-plan living area.
Tied on bedrooms. Levoit Core 400S is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $80 at list price.
Of the 11 specs tracked here, 7 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.