Coway
Coway Airmega 400
Air purifiers
$549List price
Explore this product Your shortlist, side by side
Coway Airmega 400 vs Levoit Core 600S Smart True HEPA
Find the differences that matter for your next decision.
Levoit
Levoit Core 600S Smart True HEPA
Air purifiers
$299List price
Explore this product What matters most to you?
Start with all rankable specifications, or focus on a particular use.
Your starting point
Buy the Levoit Core 600S Smart True HEPA.
- Leads 3 of 5 rankable overall specs; Coway Airmega 400 takes 2.
- CADR: 410 CFM vs 350 CFM
How we reached this
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 1,560 sq ft
It is also $250 cheaper.
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 ↓Refine your requirements
What would rule one out?
Side by side
The differences, in detail.
Start with the key specs, then explore as much as you need.
| What you’re comparing | Coway Airmega 400 | Levoit Core 600S Smart True HEPA |
|---|---|---|
| CADRPerformance | 350 CFM (Smoke), 328 CFM (Dust), 400 CFM (Pollen) | 410 CFM (Smoke), 400 CFM (Dust), 420 CFM (Pollen) |
| Room sizePerformance | Large living rooms, open floor plans, offices | Extra-large spaces, open-concept homes, basements |
| Coverage areaPerformance | 1,560 sq ft (2 air changes/hr) / 780 sq ft (4 air changes/hr) | 1,588 sq ft (2 air changes/hr) / 635 sq ft (5 air changes/hr) |
| Filter typesFilters | Washable Pre-filter + Max2 Filter (True HEPA + Activated Carbon) | 3-Stage True HEPA (Pre-filter + H13 True HEPA + High-efficiency Custom Carbon) |
| Filter lifeFilters | 12 months (Max2 filter) / Washable pre-filters | 6–12 months depending on air quality |
Showing 5 of 11 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
What you gain. What you give up.
Coway Airmega 400
Reasons to choose it
- Massive CADR cleans up to 1,560 sq ft twice per hour
- Dual-sided air intake with combined True HEPA and carbon filters
- Smart Eco mode turns off fan when air remains clean for 30 minutes
Worth considering
- Cube design has a large floor footprint
- No mobile app connectivity on the non-S model
Levoit Core 600S Smart True HEPA
Reasons to choose it
- Exceptional CADR performance at an unbeatable sub-$300 price
- Ultra-quiet 26 dB Sleep mode with display light shutoff
- Feature-rich VeSync mobile app with voice assistant control
Worth considering
- Activated carbon filter layer is thinner for heavy smoke odors
- Large cylindrical form factor requires space
Beyond the spec sheet
Living with your choice.
Explore the ownership details available for this pair.
What three years could cost
Coway Airmega 400
3-Year Estimated Total$819
Levoit Core 600S Smart True HEPA
3-Year Estimated Total$494
Everyday ownership notes
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Coway: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
Levoit: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
Know what’s behind the comparison
Published specs. Visible sources.
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.
Still weighing it up?
Which is cheaper, the Coway Airmega 400 or the Levoit Core 600S Smart True HEPA?
Levoit Core 600S Smart True HEPA costs $250 less at list price.
What is the biggest catch with the Coway Airmega 400 or Levoit Core 600S Smart True HEPA?
Coway Airmega 400 has this deal-breaker: no Wi-Fi app. No schedules or remote control from your phone.
Which is better for bedrooms, the Coway Airmega 400 or the Levoit Core 600S Smart True HEPA?
Tied on bedrooms. Levoit Core 600S Smart True HEPA is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $250 at list price.
What cannot be compared from spec sheets?
Of the 11 specs tracked here, 6 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.