The Winix T810 and Levoit Core 400S share almost identical design principles; both have similar CADRs and features, and both achieved outstanding results in our tests.
Both are cylindrical in shape, have filters placed in the bottom section, and work with a smart app.
We tested their performance, PM1-to-zero reduction, noise, and power use, and compared all specifications to determine which is the better buying option.
Our Verdict
After deeply analyzing these two devices, I would say that each has its own pros and cons.
In general, they are both smart, use similar filtration technology, and provide outstanding results in our tests.
Still, the Levoit Core 400S is slightly better optimized for noise and power use. However, the Winix T810 achieved better results in our PM1-to-zero tests, and it uses a True HEPA filter.
These small differences are the reason I would pick the Winix T810 as a slightly better buying option.
If you have any questions about these two air purifiers, feel free to use the comments section below the article.
Specs: Winix T810 Vs Levoit Core 400S
| Product Image |  30% off |  17% off |
| Manufacturer | Winix | Levoit |
| Model | T810 | Core 400S |
| Dimensions (inches / cm) | 11.3 Ă— 20.4 Ă— 11.3 inches (28.7 Ă— 51.8 Ă— 28.7 cm) | 10.8 x 10.8 x 20.5 inches (27.4 x 27.4 x 52 cm) |
| Weight (pounds / kg) | 10.2 lbs (4.6 kg) | 10.5 Ib (4.8 kg) |
| Clean Air Delivery Rate (CADR) | 270 CFM (459 mÂł/h) | 260 CFM (442 mÂł/h) |
| Coverage (4.8 ACH)
Room Coverage Explanation: ACH is a measurement used in indoor air quality management to indicate how many times the air within a defined space is changed/moved through the filter media.
For more details, visit our ACH calculator tool. | 419 sq. ft. (39 m²) | 403 sq. ft. (37 m²) |
| Performance Ratings Performance Ratings Score Summary: 8.3 - Average Score (102 products) 9.9 - Best Score (1 products) 1 - Worst Score (1 products) We use the Temtop LKC-1000S laser particle meter to test the particle removal efficiency of every air purifier. It measures PM2.5 (µg/m3), PM10 (µg/m3), Particles (per/L), and HCHO (mg/m3) in the air, and also calculates the AQI. You can read more about our testing methodology here. | ||
| Filtration Technology | Pre-filter, True HEPA Filter, Carbon Filter, and PlasmaWave | Pre-filter, True HEPA Filter, and Activated Carbon Filter |
| Filter Replacement Indicator | Yes | Yes |
| Filter Life | up to 12 months | up to 12 months |
| Power Consumption
Power Usage Summary: Our extensive testing of 102 air purifiers revealed the following power consumption insights:
Check out our power consumption calculator tool. | 45W | 38W (24W European Model) |
| Operating Costs Ratings Operating Costs Ratings Score Summary: 8.8 - Average Score (102 products) 10 - Best Score (2 products) 1.7 - Worst Score (1 products) We measure the power usage at all speeds using an energy meter, after which we calculate how much it would cost to use the device at a particular fan speed for one month. For reference, we use an energy price of $0.12 per kWh. You can read more about our testing methodology here. | ||
| Number of Fan Speeds | 5 - Sleep Mode, Speed 1, Speed 2, Speed 3, and Speed 4 | 5 – Sleep Mode, Low Mode, Medium Mode, High Mode, and Turbo Mode |
| Air Quality Sensor Air Quality Sensor Summary: Out of 102 air purifiers tested, only 51 have the air quality sensor. | Yes | Yes |
| Air Quality Indicator | Yes | Yes |
| Auto Mode Auto Mode Summary: Out of 102 air purifiers tested, only 52 have auto mode functionality. | Yes | Yes |
| Smart App Smart App Summary: Out of 102 air purifiers tested, only 30 have smart app functionality. | Yes | Yes |
| Voice Control Voice Control Summary: Out of 102 air purifiers tested, only 29 have voice control functionality. | Yes | Yes |
| Other Features | PlasmaWave | Display OffDisplay LockTimer |
| Noise Level (low – high) | 40.1 – 66.7 dBA | 42.1 – 59.9 dBA |
| Noise Ratings Noise Ratings Score Summary: 9.2 - Average Score (102 products) 10 - Best Score (1 products) 7.6 - Worst Score (1 products) We use a special noise measurement tool to test the noise level of the air purifier at all speeds. We measured the noise level on the dBA scale. You can read more about our testing methodology here. | ||
| Best Suited For | Living Rooms Allergies Pets Large Spaces Dust Smart Home Integration | Living Rooms Kitchens Allergies Large Spaces Dust Smart Home Integration Air Quality Monitoring |
| Warranty | 2-year | 2-year |
| In-Depth Review | Winix T810 | Levoit Core 400S |
| Price |
Performance Test – Comparison
As I already said, both air purifiers have a large CADR; the Winix T810 has a CADR of 270 CFM (459 m³/h), making it ideal for rooms of up to 419 sq. ft. (39 m²).
The Levoit Core 400S, on the other hand, has a CADR of 260 CFM (442 m³/h) and is ideal for rooms of up to 403 sq. ft. (37 m²).
We tested their airborne particle removal performance in a room of 320 sq. ft. (30 m²), using a Temtop laser particle meter.
In 60 minutes, while working at maximum speed the whole time, the Winix T810 improved air quality by 95%, while the Levoit Core 400S improved it by 96%.
Particle Removal Tests - Comparison
We placed the Winix T810 and Levoit Core 400S in two separate tests and measured their performance using the Temtop laser particle meter.
However, in our PM1-to-zero test, which is more precise and more advanced, we measured how fast each air purifier reduced PM1 particulate matter to 0.
The result: the Winix T810 was slightly faster at each fan speed. At speed 1, it needed 63 minutes, while the Core 400S needed 68 minutes. At maximum speed, the Winix needed 27 minutes, while the Levoit needed 35 minutes.
However, the Levoit Core 400S has a better carbon filter (a pellet-based one), which is why it achieved better results in our bad odor removal tests.
In conclusion, I would say that the Winix T810 performed slightly better in airborne particle removal tests.
Noise Level Test – Comparison
As for the noise test, we tested noise levels at each fan speed of these two air purifiers, using a specialized noise measurement tool.
Both have five fan speeds and an auto mode feature.
At the lowest speed, the Winix produces 40.1 dBA, while the Levoit produces 42.1 dBA. However, at maximum speed, the Levoit is much better optimized; it produces 59.9 dBA, while the Winix produces 66.7 dBA.
Noise Levels - Comparison
Comparison of noise levels at all fan speeds between the Winix T810 and Levoit Core 400S air purifiers.
What’s interesting is that the Winix is slightly louder at each fan speed, but at the same time produces better results in PM1-to-zero tests.
For example, at speed 2, the Winix produces 48.5 dBA and reduces PM1 to zero in 40 minutes, while the Levoit Core 400S produces 47.8 dBA and reduces PM1 to zero in 49 minutes.
| Fan Speed | Winix T810 (dBA) | Levoit Core 400S (dBA) |
|---|---|---|
| Sleep Mode | 40.1 dBA | 42.1 dBA |
| Speed 1 (Low) | 41.6 dBA | 43.6 dBA |
| Speed 2 (Medium) | 48.5 dBA | 47.8 dBA |
| Speed 3 (High) | 54.3 dBA | 55.4 dBA |
| Speed 4 (Turbo) | 66.7 dBA | 59.9 dBA |
The difference in tests isn’t too large, but the difference in sound produced at maximum speed is truly large, which is why I would say that the Levoit Core 400S is better optimized for noise.
Operating Costs – Comparison
When talking about power use, the first thing to say is that the Winix T810 uses a 45W motor, while the Levoit Core 400S uses a 38W motor.
If you were to use these two air purifiers at their maximum speeds, 24 hours daily, for one month, your electric power bill would increase by about $3.06 in the case of the Levoit and by about $3.75 in the case of the Winix.
Monthly Power Consumption Cost - Comparison
Comparison of monthly power consumption costs for the Winix T810 and Levoit Core 400S air purifiers at all fan speeds.
Besides the power cost, there is also the cost of replacement filters, which need to be replaced approximately once per year for both devices. However, the price of the replacement filter is slightly higher for the Winix.
| Fan Speed | Winix T810 (W + $/month) | Levoit Core 400S (W + $/month) |
|---|---|---|
| Standby | 0.8W ($0.07) | 0.9W ($0.07) |
| Sleep Mode | 1.7W ($0.15) | 3.3W ($0.28) |
| Speed 1 (Low) | 2.7W ($0.24) | 5.8W ($0.5) |
| Speed 2 (Medium) | 9.3W ($0.82) | 8.8W ($0.77) |
| Speed 3 (High) | 14.2W ($1.24) | 16.1W ($1.41) |
| Speed 4 (Turbo) | 42.8W ($3.75) | 35W ($3.06) |
Summing everything up, I would say that the Levoit Core 400S is slightly more affordable for annual maintenance.
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