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Home > New Gear > Xiaomi Mijia Air purifier 3 VS Xiaomi Mijia Air purifier 2: What's the improvement?
Xiaomi Mijia Air purifier 3 VS Xiaomi Mijia Air purifier 2: What's the improvement?

Xiaomi Mijia Air purifier 3 VS Xiaomi Mijia Air purifier 2: What's the improvement?

By  Joe Horner 2019-09-19 32665 0

As we all know, Xiaomi Air Purifier 2 is the current sales champion in China's air purifier market. So what are the differences between MiJia Air Purifier 3, which is also developed by Zhimi and Mi Jia, and Xiaomi Air Purifier 2, which is the sales champion? Let's make a detailed comparison.

Xiaomi Mijia Air purifier 3 VS Xiaomi Mijia Air purifier 2 

1. The purification force has been improved

The CADR value of the particulate matter in Mijia air purifier 2 was 310m / h, which was already rare in the empty structure of the same volume, while the CADR value of Mijia air purifier 3, which did not change in volume, reached 400m/h. The purification efficiency is increased by 29%, challenging the performance limit of the tower design.

In the applicable area, the maximum applicable area of Mijia air purifier 2 is about 37 meters, which is often used to purify the air in the bedroom and study. On the other hand, the maximum operating area of Mijia air purifier 3 has reached 48 tons. This means that the Mijia air purifier 3 can be used in a larger living room.

2.The structure is optimized

The improvement of the purification power of Mijia Air Purifier 3 comes from the optimization of the air circuit system.

Mijia air purifier 2 adopts the structure of eddy fan + mixed flow fan, while Mijia air purifier 3 adopts backward tilting centrifugal fan, which can increase the airflow to 6660L/minute.

After polishing the inner wall of the pressurized air duct, the wind resistance is lower and the wind force is stronger, at the same time, the airflow sound is reduced, and the maximum operating noise is further reduced to 64dB (A).

On the other hand, the top outlet grid area of Mijia air purifier 3 has also been expanded, which can quickly and evenly transport airflow.

Xiaomi Mijia Air purifier 3 VS Xiaomi Mijia Air purifier 2 

Compared with Xiaomi mijia air purifier 2, the intake hole area of the lower half of the fuselage of Mijia air purifier 3 has also been expanded, and the air intake volume has been significantly improved.

3. The display is optimized

Xiaomi Mijia air purifier 2 is a relatively simple indicator, and the block mode, air quality display is located in different places, the information indication module is more scattered.

 Xiaomi Mijia Air purifier 2 display 

Xiaomi Mijia air purifier 3 is equipped with a circular OLED display screen to provide indoor air data (PM2.5 content, temperature and humidity) and purifier operation status (running block, WiFi connection status) and other information, the content is more rich and concentrated. In addition, there are green, orange and red lamp rings that change according to different PM2.5 content, which more directly reflects the indoor air quality.

Xiaomi Mijia Air purifier 3 display 

4. The sensor is optimized

The Mijia air purifier 2 uses an infrared sensor, while the Mijia air purifier 3 uses a higher precision laser particle sensor that can detect particles as small as 0.3 μ m in size. And the detected data can be instantly reflected on the display screen.

Xiaomi Mijia Air purifier 2 infrared sensor​ 

5. The operation is optimized

Xiaomi air purifier 2 has a mechanical entity button installed on top of the fuselage. On the other hand, the Mijia air purifier 3 integrates the touch keys into the display screen, which makes it possible to expand the diversion grid area. The operating position of Mijia air purifier 2 is only automatic, favorite and sleep. On the other hand, Mijia Air Purifier 3 adds three kinds of shields of low speed, medium speed and high speed, which provides users with more choices.


Design optimization, performance improvement, Xiaomi Mijia air purifier 3 can better adapt to the current users of air purification needs and use habits. But the volume of Mijia air purifier 3 has not expanded, covers an area just like a piece of A4 paper area, which can move easily and can put anywhere you want.

 You may also want to read:
 Xiaomi Mijia Air Purifier 3 Hands-on Review: The Most Affordable Air Purifier
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