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Home > New Gear > Xiaomi Mi Band 4 review: better than Mi Band 3
Xiaomi Mi Band 4 review: better than Mi Band 3

Xiaomi Mi Band 4 review: better than Mi Band 3

By  Mia Wang 2019-06-11 17667 2

Intelligent wearable devices today, like mobile phones and tablets, seen to be all blending in together with blurred boundaries and overlapping functionality. With new smart watches and fitness bracelets taking on more and more phone features, are they on the way to replace smart phones altogether?

Let’s explore this idea as we review Xiaomi’s latest smart band, the Mi Band 4.

New packaging

Xiaomi Mi Band 4 has inherited the Mi Band 3’s elongated shape, though the packaging has been revised.

You will be able to tell the color of the bracelet itself from the packaging. Mi Band 4’s available colors include graphite black, thermal orange, deep space blue, wine red and lotus powder.

Xiaomi Mi band 4 New packaging

Color AMOLED screen

The main display change on the Mi Band 4 (aside from the 2.5D edge) is that the new bracelet sports a touch color screen.

With the updated AMOLED display, the new watch offers a more interactive user interface and a more intuitive communication with the device: seeing your sports data on the bigger display also makes for a better experience.

Color AMOLED screen

More characters showed in the screen

According to the official data, the display on the Mi Band 4 has expanded by 39.9% and features a resolution that is twice that of the original. While the Mi Band 3 is able to fit only 24 Chinese characters, the Mi Band 4 can display up to 45 (we are using Chinese characters in this example). This makes it much easier to use and the Mi Band 4 would definitely be a better fit for those with poor eyesight.

More characters showed in the screen

77 built-in themes

A high-resolution, full-color screen also means more personalized settings. The Mi Band 4 has 77 built-in themes, including several popular ones like Overwatch, Ahri and so on.

77 built-in themes

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Supports Alipay QR code payment

Thanks to the bracelet’s higher resolution, a QR code can be displayed on the screen more clearly (QR codes are the primary method of mobile payments in China). Plus, the Mi Band 4 supports Alipay QR code payment, which makes everyday shopping in China even more convenient.

Six-axis sensor supported

Naturally, fitness tracking is an indispensible feature on any smart bracelet. The Mi Band 4 is no exception. The bracelet will track your steps, count your calories and supports specific sports modes like swimming, outdoor running, indoor running, walking, exercise and cycling. The Mi Band 4 is 5ATM (50 m) waterproof.

The original three-axis sensor has been upgraded to a six-axis sensor, which greatly improves the accuracy and motion monitoring on the Xiaomi Mi Band 4.

"Flatter" home button

The touch button with a groove has changed to a flat screen on the Mi Band.

Flatter home button

NFC function

Xiaomi Mi Band 4 also comes in the NFC version, so some access cards can be replaced with the bracelet.

 

Standard Version

NFC Version

Weight

22.1g 

22.2g

Sensor

Triaxial Accelerometer + Triaxial Gyro 
Self-developed PPG Heart Rate Sensor
Capacitive Wear Monitoring Sensor  

Triaxial Accelerometer + Triaxial Gyroscope 
Self-developing PPG Heart Rate Sensor 
Capacitor Wear monitoring sensor
Digital capacitance microphone

NFC

Not supported 

Support card reading, card simulation. Can be bound to access card

Xiao AI voice assistant

Not supported 

Support voice control function, query, control smart home, control mobile phone

Battery

LiPo, 135mAh 

LiPo, 125mAh

Endurance

≥ 20 days 

≥ 15 days

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Xiao AI on the wrist

So, we’ve covered the bigger screen, improvements in design, NFC functionality and extensive sports tracking. Is there anything else that makes the Mi Band 4 stand out in the sea of other sports bracelets? The answer is yes and the answer is Xiao AI. Xiaomi’s dedicated smart assistant can be easily summoned on the bracelet and will answer your questions, help you plan your day and more.

Xiaomi Mi band 4

Finally, let's talk about the smart bracelets

Among the changes the Mi Band has undergone while transitioning from Mi Band 1 to the Mi Band 4, there have always been a few constants — the shift towards a bigger display, more powerful battery and larger body. If the past is any indication, we should be expecting an even bigger screen in the next releases.

While smart bracelets are far from replacing smart phones, we are feeling a strong shift towards the mini bands taking on more of the phones’ functionality from web browsing and messaging to NFC payments and using smart assistants.

If you are looking for a new smart band that has a bit more to offer without being overloaded with unnecessary feature and bloated with unusable apps, consider the Mi Band 4. The bracelet’s starting price is 169 RMB ($24) and 229 RMB ($30) for the NFC version.

 You may also want to read:
 MIUI 11: List of Xiaomi devices getting MIUI 11 upgrade leaks
  Xiaomi Mi Max 4 and Mi Max 4 Pro: 48 Mp camera and other rumors
  Xiaomi Mi 9X (Mi A3) specs leaked: equipped with Snapdragon 675

 

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