Xiaomi is a globally recognized brand, while Levoit is primarily available in the US and some EU countries.
The Levoit Core 300 and the Xiaomi Mi 3H are frequently compared, leaving many users unsure of which product to choose. To handle this, I have done a detailed comparison.
Both air purifiers feature high-quality filtration technology, are well-built, and have performed well in our tests.
The Xiaomi Mi 3H is intended for larger spaces, while the Levoit Core 300 is significantly more affordable upfront.
In this comparison, you’ll find detailed information about their performance, noise levels, operating costs, and other key features to help you make an informed decision.
Our Verdict
In summary, while this might not be an entirely fair comparison, many people asked which of these two air purifiers is the better choice.
The Xiaomi Mi 3H has a much higher CADR, delivered superior performance in our particle removal tests, cleared smoke from the glass box faster, features a more efficient motor, offers smart features, and is overall a much better buying option compared to the Levoit Core 300.
However, the Levoit Core 300 is not a bad option either, but, in this comparison, the Xiaomi Mi 3H clearly stands out as the better choice.
If you have any questions about these two air purifiers, feel free to leave them in the comments section of the article.
Specs: Xiaomi Mi 3H Vs Levoit Core 300
| Product Image |  |  |
| Manufacturer | Xiaomi | Levoit |
| Model | Mi 3H | Core 300 |
| Dimensions (inches / cm) | 9.5 x 9.5 x 20.5 inches (24 x 24 x 52 cm) | 8.7 x 8.7 x 14.2 inches (22 x 22 x 36 cm) |
| Weight (pounds / kg) | 10.6 lb (4.8 kg) | 7.5 lb (3.4kg) |
| Clean Air Delivery Rate (CADR) | 223 CFM (380 m³/h) | 141 CFM (240 m³/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. | 484 sq. ft. (45 m²) | 219 sq. ft. (20 m²) |
| Performance Ratings Performance Ratings Score Summary: 8.4 - Average Score (79 products) 9.8 - Best Score (2 products) 2.5 - Worst Score (2 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 and Active Carbon Filter | Pre-filter, True HEPA Filter, and Activated Carbon Filter |
| Filter Replacement Indicator | Yes | Yes |
| Filter Life | 6-12 months | 6-8 months |
| Power Consumption
Power Usage Summary: Our extensive testing of 79 air purifiers revealed the following power consumption insights:
Check out our power consumption calculator tool. | 38W | 45W |
| Operating Costs Ratings Operating Costs Ratings Score Summary: 9 - Average Score (79 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 | 6 – Automatic Mode, Sleep Mode, Speed 1, Speed 2, Speed 3, and Manual Mode | 4 – Sleep Mode, Speed 1, Speed 2, and Speed 3 |
| Air Quality Sensor Air Quality Sensor Summary: Out of 79 air purifiers tested, only 39 have the air quality sensor. | Yes | No |
| Air Quality Indicator | Yes | No |
| Auto Mode Auto Mode Summary: Out of 79 air purifiers tested, only 40 have auto mode functionality. | Yes | No |
| Smart App Smart App Summary: Out of 79 air purifiers tested, only 25 have smart app functionality. | Yes | No |
| Voice Control Voice Control Summary: Out of 79 air purifiers tested, only 24 have voice control functionality. | Yes | No |
| Other Features | Temperature and HumidityParental ControlsDisplay Off | Display LockDisplay OffTimer |
| Noise Level (low – high) | 40.9 – 65.4 dBA | 40.7 – 64.9 dBA |
| Noise Ratings Noise Ratings Score Summary: 9.3 - Average Score (79 products) 10 - Best Score (1 products) 8.2 - 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 Kitchens Offices Allergies Large Spaces Smart Home Integration | Bedrooms Small Spaces Dust Allergies Children's Rooms |
| Warranty | 1-year | 2-year |
| In-Depth Review | Xiaomi Mi 3H | Levoit Core 300 |
| Price | Check Price on Amazon | Check Price on Amazon |
Performance Test – Comparison
Some might argue that this comparison is unfair, particularly because the Xiaomi Mi 3H is a much larger air purifier. However, I often receive questions about which of these two models is better, indicating that buyers are frequently unsure. My goal here is to help make their decision easier.
The Xiaomi Mi 3H is intended for rooms up to 484 sq. ft. (45 m²), whereas the Levoit Core 300 is better suited for smaller spaces of up to 219 sq. ft. (20 m²).
Particle Removal Tests - Comparison
We placed the Xiaomi Mi 3H Vs Levoit Core 300 in two separate tests and measured their performance using the Temtop laser particle meter.
We tested these two air purifiers in a few different room sizes that match their recommended coverage areas. However, the most relevant test for this comparison was performed in a 320 sq. ft. (30 m²) room.
Both devices were tested using the same principles we used for all air reviewed.
In the 320 sq. ft. room, both devices operated at maximum speed for 60 minutes. The Xiaomi Mi 3H improved air quality by 95%, while the Levoit Core 300 achieved an improvement of 92%.
While it’s evident that the Xiaomi Mi 3H performed better in this test, it’s important to be aware that the room size exceeded the recommended coverage for the Levoit Core 300.
If you’re interested in the results of other tests performed on these two air purifiers, I recommend checking out our detailed reviews.
Smoke Box Test – Comparison
When speaking of our unique smoke box test, I must say I was truly surprised by how well the Levoit Core 300 performed.
Despite its smaller CADR, it managed to clear all the smoke from the glass box in just 20 seconds.
On the other hand, the Xiaomi Mi 3H took 15 seconds to remove all the smoke.
While both devices performed well, the Xiaomi Mi 3H stands out as the more efficient option in neutralizing smoke and bad odors.
Noise Level Test – Comparison
The first thing I noticed is that the Xiaomi Mi 3H offers more fan speeds than the Levoit Core 300, making it easier to pick the speed that best suits your needs.
Both air purifiers feature a sleep mode, which is very quiet, making them excellent choices for bedroom use.
Noise Levels - Comparison
Comparison of noise levels at all fan speeds between the Xiaomi Mi 3H Vs Levoit Core 300 air purifiers.
At the lowest speed, the Xiaomi Mi 3H produces 40.9 dBA, while the Levoit Core 300 produces 40.7 dBA. As mentioned, both are well-optimized for quiet operation at their lowest settings.
However, the noise levels differ at maximum speed. The Xiaomi Mi 3H produces 65.4 dBA, while the Levoit Core 300 produces 64.9 dBA. For a detailed comparison of noise levels across all speeds, please refer to the chart above.
| Fan Speed | Levoit Core 300 (dBA) | Xiaomi Mi 3H (dBA) |
|---|---|---|
| Sleep Mode | 40.7 dBA | 40.9 dBA |
| Speed 1 (Low) | 46.4 dBA | 41.6 dBA |
| Speed 2 (Medium) | 52.9 dBA | 56.5 dBA |
| Speed 3 (High) | 64.9 dBA | 63.7 dBA |
| Speed 4 (Turbo) | - | 65.4 dBA |
Overall, I believe users will find it easier to adjust the noise level with the Xiaomi Mi 3H, thanks to its additional fan speed options.
Operating Costs – Comparison
Although the Xiaomi Mi 3H is a significantly larger air purifier with a much higher CADR, it surprisingly uses a more efficient motor of just 38W compared to the 45W motor of the Levoit Core 300.
Even before diving into detailed test data, it’s evident that the Xiaomi Mi 3H offers a much better power-to-CADR ratio.
Monthly Power Consumption Cost - Comparison
Comparison of monthly power consumption costs for the Xiaomi Mi 3H Vs Levoit Core 300 air purifiers at all fan speeds.
If operated at maximum speed, 24 hours a day for one month, the Levoit Core 300 would cost you approximately $3.81, while the Xiaomi Mi 3H would cost you $3.42. Neither device will significantly impact your monthly electricity bill, especially since it’s unlikely they’ll be used at maximum speed all the time.
Regarding filter replacement costs, the Xiaomi Mi 3H filters are more than twice as expensive as those for the Core 300. However, Xiaomi filters typically require replacement only once a year, whereas the Core 300 filters need to be replaced about twice per year.
| Fan Speed | Levoit Core 300 (W + $/month) | Xiaomi Mi 3H (W + $/month) |
|---|---|---|
| Standby | 0.8W ($0.07) | 0.9W ($0.08) |
| Sleep Mode | - | 2.2W ($0.19) |
| Speed 1 (Low) | 29.4W ($2.58) | 4W ($0.35) |
| Speed 2 (Medium) | 31.4W ($2.75) | 17.3W ($1.52) |
| Speed 3 (High) | 43.5W ($3.81) | 27.4W ($2.4) |
| Speed 4 (Turbo) | - | 39W ($3.42) |
In summary, the Xiaomi Mi 3H has a more energy-efficient motor, longer-lasting filters, and is overall more cost-effective to maintain.
Features Overview
The Levoit Core 300 and Xiaomi Mi 3H contain many features, which I will describe below. I would like to mention that both devices are ozone-free and have a multitude of advanced options. However, the Xiaomi Mi 3H is still more generous and offers a more diverse range of options.
The Levoit Core 300 is controlled by touch buttons on the control panel at the top of the device, while the Xiaomi Mi 3H is used with a single button located on the front of the device or via a smartphone app. Xiaomi can also connect to Google Assistant and Amazon Alexa.
Filter Reset Indicator
A filter reset indicator is an indispensable option in today’s air purifiers.
It is, therefore, to be expected that air purifiers have this option.
The Levoit Core 300 filter reset indicator lights up when it’s time to change the filter.
In Xiaomi Mi 3h, you will be notified on the screen when it is time to change the filter, but you will receive information about filter usage on display whenever you start the air purifier. In addition, you can check this information at any time in the smartphone app.
Child Lock
Levoit Core 300 and Xiaomi Mi 3H have a child lock feature, a great option, especially if you have young children in the environment and if you want to protect the device from accidental shutdowns or switching modes.
The Levoit Core 300 child lock is activated directly on the control panel. In contrast, the Xiaomi Mi 3H child lock is activated in the smart app.
Timer
Both devices have a timer option, which is a great feature to set the time when the machine should stop with air filtration. This is particularly useful for the Core 300, which does not have the fashion of a smart app or auto mode.
The Levoit Core 300 timer can be adjusted to work for 2 hours, 4 hours, 6 hours, or 8 hours. You can set the Xiaomi Mi 3h timer however you want because the smart app allows you to set the timer for any time.
Smart Sensor
Xiaomi Mi 3H uses a smart sensor that will measure the air quality in real-time to dictate the options related to the work on the device. The smart sensor’s data can be seen directly on display in the form of PM 2.5 particles.
In addition, the indicator around the start button will glow with a different color related to the current air quality in the room.
Auto Mode
Auto mode is an option that is only available on the Xiaomi Mi 3H.
When on Auto Mode, the device automatically switches the fan speed based on the current indoor air pollution.
Smart App
Xiaomi can connect to a smart app that opens up new additional possibilities to control the device. I have described the process of connecting to the smart app and explained the available options in the Xiaomi Mi 3H review.
Filtration Technology
Both devices use 3-stage filtration, which is contained from a pre-filter, True HEPA filter, and an activated carbon filter.
The most significant difference in the filters in these two products is the size. The Xiaomi Mi 3H uses more than double the filter as the Core 300. Because of that, filters in Xiaomi last longer and are much harder to get dirty.
The Levoit Core 300 and Xiaomi Mi 3H offer the option to buy special-purpose replacement filters, so you’ll be able to purchase antibacterial filters that are specifically designed to fight bacteria.
How to replace filters on these two devices?
The filters on the Xiaomi Mi 3H change on average between 6-12 months. The Levoit Core 300 filters change on average between 6-8 months.
Both devices use a filter reset indicator, so you won’t have to worry when it’s time to change the filter; the device will tell you.
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