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Home > New Gear > Xiaomi Mi band 4 VS Xiaomi Mi band 3: A new trump card of smart home entrance platform
Xiaomi Mi band 4 VS Xiaomi Mi band 3: A new trump card of smart home entrance platform

Xiaomi Mi band 4 VS Xiaomi Mi band 3: A new trump card of smart home entrance platform

By  Lydia Scott 2019-06-14 9487 0

On June 11, 2019, Xiaomi released its fourth generation smart band in Beijing, China. As a representative product of Mijia, Mi band has been very popular since it was launched, and the results are very dazzling, indirectly making Xiaomi's market share of wearable devices ranks first in the world. So what's the difference between Mi band 3 and Xiaomi Mi band 4? Just read on, you can get it.


Xiaomi Mi band 4 Appearance


Xiaomi Mi band 4(Standard version)

Xiaomi Mi band 4(NFC version)

Xiaomi Mi band 3(NFC version)


Screen size

0.95 inch

0.95 inch

0.78 inch


Screen type

AMOLED color screen

AMOLED color screen

OLED Black and white screen


Screen resolution





Protective cover plate

2.5D glass

2.5D glass




77 kinds of theme

77 kinds of theme

Single and boring

Core Hardware


6-axis high precision sensor

6-axis high precision sensor

3-axis high precision sensor



Alipay QR code payment

Alipay QR code payment



AI voice assistant


Support Xiaoai AI assistant







Standby time

20 days

15 days

20 days

Charging way

The band and strap do not need to be disassembled

The band and strap do not need to be disassembled

The band and strap need to be disassembled

The differences between Mi band 4 and Mi band 3

Above this table, you can clearly see that there has 11 main difference between the Mi band 4 and Mi band 3. Except the basic appearance has changed, the more attractive is the upgraded core function. Such as the better 6-axis sensor, Alipay offline payment, and Xiaoai AI assistant. Then, let's talk about it.

6-axis high precision sensor makes motion testing more accurate

The previous Mi band 3 used a 3-axis high-precision sensor, while the Xiaomi Mi band 4 is equipped with a 6-axis high-precision sensor, the biggest advantage of this promotion is that the test sports are more accurate. It not only includes the number of steps, but also can intelligently identify the five strokes of freestyle, breaststroke, backstroke, butterfly and medley, and track 12 professional data such as pace and stroke in real time.

Xiaomi Mi band 4 with a 6-axis high-precision sensor

Alipay offline payment makes the method of payment easier

Xiaomi Mi band 4 also added Alipay payment function on the basis of Mi band 3. The previous Mi band 3 NFC version can only be used to take bus and access control, but now the Mi band 4 adds this super-practical payment function to it.

After binding Alipay, users can directly display QR code payments by left slight the screen, which is very suitable for paying parking fees, high-speed fees, and buying coffee while answering the phone.

Built-in Xiaoai AI assistant, another trump card of smart home entrance platform

Xiaomi Mi band 4 NFC version of the first built-in Xiaoai, users can slide to the right to wake up Xiaoai, but not directly through voice to wake-up.

Some users may feel troubled about the lack of voice wake-up, but if you experience it by yourself, the Mi band 4 NFC version uses sliding wake-up design have a very strong logical support, which is to avoid conflicts with other entrances.

How many smart home products does the Mi band 4 support?

This is a useful question for new Xiaoai AI assistant users. In fact, it is keep the same with Xiaoai AI speaker, which can control over 20 devices from Xiaomi ecological chain. Such as Xiaomi Philips desk light, yeelight bulb, Zigbee socket, aqara switch, Xiaomi air cleaner and so on.

Here is a brif list about smart home product that can controled by Xiaoai AI:

1. Mijia smart light: desk lamp, desk lamp pro, celling light.

2. Mijia Philips Zhirui series.

3. Yeelight smart light series.

4. Mijia air purifier.

5. Mijia electric cooker.

6. Smart switch: Aqara, UIOT, LifeSmart.

7. Robot vacuum cleaner: Mojia, Roborock.

8. Air conditioner: Midea, Mijia, AUX, Zhimi, Lvmi.

You just need bind your smart device and Mi band on your MiFit App, then, you can be controlled by voice through your Mi band 4 NFC version.


Mi band 4

The back charging mode solves the charging problem about Mi band 3

In Xiaomi Mi band 4, we can see that the charging contact is moved to the back of the bracelet and can be charged without removing the wristband. This improvement avoids the frequent removal of the bracelet, and the wristband is really difficult to disassemble and install in order to prevent the rice grains from falling off more and more tightly. Another benefit of not having to disassemble and install is that the wristband is tighter and less likely to fall off, this design is very effective, solves the charging problem about Mi band 3.

At this point, are you moved? let's start to order one and experience it by yourself!

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Dedicated After-sales Service

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● 7 day Dead on Arrival guarantee (DOA)

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