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Mi Band 5 is now available in China, the UK, and Europe. It’s a decent fitness smartband designed to track your active life and control and manage updates from your phone with a 14 days battery life. The Mi Band 5 succeeds Mi Band 4 that was released last year, it comes with more health tracking features, the display is larger and brighter and the battery life is slightly longer. In this post, I’ll show you the differences between Mi Band 4 vs 5 so you know if the new smartband is worth your money or perhaps an upgrade might be necessary.

Mi Band 4 vs 5 Full Specs Comparison

  Mi Band 4 Mi Band 5
mi band 4 specs mi band 5 specs


Device name Mi Band 4 Mi Band 5
Device type Fitness smartband Fitness smartband
Predecessor Mi Band 3 Mi Band 4
Successor Mi Band 5 N/A
Date Released June, 2019 July, 2020
Gender Unisex Unisex



Display size 0.95 inch 1.1 inches
Display type AMOLED AMOLED
Display resolution 240 x 120 pixel 126 x 294 pixels
Pixel density _ _
Display always-on Yes Yes
Input type Touchkey Touchkey


Shape Rectangular/curved Rectangular/curved
Casing material Polycarbonate Polycarbonate
Strap material TPU TPU
Bezel Material Polycarbonate Polycarbonate
Weight 22.1 grams 11.9 grams
Color(s) Black Teal
Navy blue
Mint green
Dimension 21.6 x 21.6 x 10.8 mm 46.95 x 18.15 x 12.45mm
Strap size 155 - 216mm 155 - 216mm
Screen protection Corning Gorilla glass 3 Tempered glass
Durability test
Waterproof rating Yes, 5ATM Yes, 5ATM


Time/Date Yes Yes
Alarm Yes Yes
Stopwatch Yes Yes


RAM 512KB 512KB
Internal storage 16MB 16MB
Memory card slot No No


Audio No No
Microphone No No
Loudspeaker No No
Camera No No
Music streaming No No


Bluetooth Bluetooth v5.0 Bluetooth v5.0
Wi-Fi No No
Bluetooth calling No No


Calls alert Yes Yes
SMS alert Yes Yes
Email alert Yes Yes
Reminder Yes Yes


Network Technology None None
SIM None None


Steps Yes Yes
Distance Yes Yes
Calories Yes Yes
Floors climbed No No
Sleep tracking Yes Yes
Heart rate monitoring Yes Yes
VO2 Max. No ___
Stress No Yes
Swim tracking Yes Yes
Menstrual cycle tracking No Yes
Blood pressure No No
ECG Tracking No No
Blood oxygen No No
Preloaded sport modes Yes, 6 Yes, 11


Operating system Proprietary OS Proprietary OS
CPU -- --
GPU -- --
Chipset -- --


Accelerometer Yes Yes
Gyroscope Yes Yes
Heart rate sensor Yes Yes
Barometer No No
Compass No No
Pulse Ox. No No
Altimeter -- --
Thermometer No No
Ambient light No No


Interchangeable straps 155 - 216mm Yes, 155 - 216mm
Custom watch face Yes Yes
Voice Assistant No No
Compatibility Android 4.4+
iOS 9.0+
Android 4.4+
iOS 9.0+
Payment system None Alipay, Union Pay
Companion app Mi Fit App Mi Fit App


Battery type Non-removable Li-Polymer battery Non-removable Li-Polymer battery
Battery capacity 135mAh 125mAh
Est. battery life Standby: 3 Weeks+
Mixed usage: 18 days+
Standby: 3 Weeks+
Mixed usage: 14 days+
Charging mode Charging cradle Charging cradle
Charging duration About 1-2 hours About 1-2 hours


Mi Band 4 Mi Band 5
Straps Straps
Charger Charger
Quick start guide Quick start guide
  • Design
  • The appearance of both Mi band 4 and 5 looks exactly the same except for slight differences in the display sizes. It’s the same polycarbonate material used for the case of both devices and TPU straps, while the display is covered by anti-scratch glass material, navigation is still via touch key and it’s the same AMOLED display that powers the display of both devices. The difference though is that Mi band 5 has a 1.1 inches display which is slightly bigger than that of Mi Band 4’s 0.95 inches, thanks to it’s slimmer bezel. Mi Band 5 also has a brighter display with a maximum brightness of 450nits compared to 400nits of Mi Band 4.

    Mi Band 5 has also received more preloaded watch faces. It comes with 100+ preloaded themes which include 54 IP themes.

    Both devices are also rated 5ATM which makes it safe to wear any of these to the shower or pool.

  • Health and Fitness Tracking
  • Both Mi Band 4 and 5 will track your daily activities such as sleep, continuous heart rate tracking, steps, calories, sedentary reminders, and can also connect to your phone GPS to enable outdoor activity tracking.
    However, Mi Band 5 now has more health tracking features such as menstrual cycle tracking that allows women log period cycles with an alert function.

    Stress tracking has also been added, Mi band 5 can monitor your stress and will help you reduce stress through a guided breathing session.

    Another new feature is the Personal Activity Intelligence (PAI) vitality index; a new, innovative system that converts your heart rate data into a personalized score that indicates the level of activity required in order to maintain good health.

    There’s also blood oxygen saturation tracking that aids in giving you detailed sleep data. Xiaomi claims sleep tracking accuracy has improved by 40% with the addition of the REM stage and 24/7 sleep tracking. Thus, Mi Band 5 will track your sleep in three stages; deep, light, and REM. Besides being able to track your heart rate continuously, Mi Band 5 can now detect irregular heart rate and will alert you.

    Mi Band 5 also comes with more preset workout modes. It comes with 11 sport modes compared to 6 in Mi Band 4.

  • Battery Life
  • There’s no much difference in the battery life between Mi Band 4 and 5, as both can last up to 20 days on power saving mode, but Mi Band 5 according to Xiaomi can last up to 14 days with continuous tracking.

  • Other Upgrades

There’s NFC in the Chinese version of both devices and support payment through Ali Pay, but Xiaomi has added Union Pay to the list of supported payment options.

Both Mi Band 5 has the ability to unlock your phone and features incoming call and text notification, do not disturb, and more, but Mi Band 5 can now control your phone camera.

Which is Better?

Clearly, Mi Band 5 is a better smartband than Mi Band 4. It has a better display and is loaded with more health tracking features, yet priced about the same as Mi Band 4.

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