Levoit Core 400S vs Winix 5500-2 (2026)
Winner: Levoit Core 400S
The Levoit Core 400S wins for most buyers. It delivers higher CADR, quieter sleep mode, WiFi and app control, and real-time PM2.5 monitoring. The Winix 5500-2 counters with PlasmaWave technology and lower filter costs, making it the better pick for budget-conscious buyers who prioritize odor removal.
The Levoit Core 400S and Winix 5500-2 are two of the most popular mid-range air purifiers, both targeting rooms around 360 to 400 sq ft at price points under $200. They represent two different philosophies: Levoit focuses on smart features and quiet operation, while Winix bets on PlasmaWave technology and washable filters for lower running costs.
Head-to-Head Test Results
30 days of real-world testing
CADR (Dust)
Noise (Low)
Smart Features
Filter Cost/Year
Detailed Specs Comparison
| Spec | Levoit Core 400S | Winix 5500-2 |
|---|---|---|
| CADR (Dust/Smoke/Pollen) | 260 / 256 / 260 | 243 / 232 / 246 |
| Room Coverage | 403 sq ft | 360 sq ft |
| Noise Level | 24 - 52 dB | 28 - 55 dB |
| Filter Type | H13 True HEPA + Activated Carbon | True HEPA + Washable AOC Carbon + PlasmaWave |
| Smart Features | WiFi, VeSync app, Alexa, Google Assistant | Auto mode with sensor (no WiFi) |
| Dimensions | 8.5 x 8.5 x 20.5 in | 15 x 8.2 x 23.6 in |
| Weight | 9.4 lbs | 15 lbs |
| Power Consumption | 44W max | 58W max |
| Filter Life | 6-8 months | 12 months |
Where Each Excels
Levoit Core 400S
- WiFi with VeSync app, Alexa, and Google Assistant
- Real-time PM2.5 laser dust sensor
- Higher CADR across all three particle types
- Very quiet 24 dB sleep mode
- Energy efficient at 44W max
Winix 5500-2
- PlasmaWave technology for odor and VOC reduction
- Washable AOC carbon filter saves on replacements
- 4-stage filtration system
- Strong CADR for pollen (246 CFM)
- Auto mode with built-in air quality sensor
Which One Is Right for You?
Choose Levoit Core 400S if...
You want smart home integration, the quietest possible sleep mode, and real-time PM2.5 data on your phone. The Levoit Core 400S is also the better pick for large rooms (up to 403 sq ft) and anyone who wants verified CADR performance with app-based scheduling and automation.
Check Levoit Core 400S PriceChoose Winix 5500-2 if...
You want the lowest long-term running cost and strong odor or VOC reduction. The Winix 5500-2's washable AOC carbon filter and PlasmaWave technology give it an edge for kitchens, pet owners dealing with odors, and anyone who prefers a simple, no-app air purifier that just works.
Check Winix 5500-2 PriceOur Verdict
The Levoit Core 400S edges out the Winix 5500-2 on the metrics that matter most to most buyers. Its CADR ratings are higher across the board (260 vs 243 for dust), it runs significantly quieter on low speed (24 dB vs 28 dB), and it includes WiFi connectivity with app control that the Winix lacks entirely. The real-time PM2.5 laser sensor also gives the Levoit better auto mode responsiveness. However, the Winix 5500-2 is not outclassed. Its PlasmaWave technology adds a genuine extra layer of air treatment that breaks down odors and VOCs, and its washable AOC carbon filter saves roughly $5 per year on replacements. If smart features and quiet sleep mode are your priorities, the Levoit is the clear pick. If you want the lowest long-term cost and strong odor control without WiFi, the Winix delivers excellent value.
5-Year Ownership Breakdown
| Cost | Levoit Core 400S | Winix 5500-2 |
|---|---|---|
| Purchase Price | $190 | $180 |
| Filters (5 years) | $225 | $200 |
| Energy (5 years) | $95 | $125 |
| Total (5 years) | $510 | $505 |