Mi Band 2 vs 3 vs 4 Compared

Spread the love

The Mi Band series consists of some very decent, yet sturdy smartband that are no doubt great choices for keeping tab on your daily activities. In this comparison, we compare the Mi Band 2 vs 3 vs 4 specs and features, so you know which of these three is the right choice for you.

Mi Band 2 vs 3 vs 4 Specifications Compared

 
 
Product Info
Mi Band 2 Specifications

Mi Band 2 Specifications, Features and Price

Mi Band 4 Specifications

Mi Band 3 Specifications, Features and Price

Mi Band 4 Specifications

Mi Band 4 Specifications, Features and Price

Price $22.00 $26.50 $27.99 $26.45
ABOUT DEVICE ABOUT DEVICE ABOUT DEVICE ABOUT DEVICE
Device name Mi Band 2 Mi Band 3 Mi Band 4
Device type Fitness smartband Fitness smartband Fitness smartband
Gender Unisex Unisex Unisex
Release date June, 2016 May, 2018 June, 2019
Predecessor Mi Band 2 Mi Band 3
Successor Mi Band 3 Mi Band 4
Versions Mi Band 4 (NFC version)
BODY BODY BODY BODY
Dimension 15.7 × 40.3 × 10.5 mm 17.9 x 46.9 x 12 mm 47 x 21.6 x 10.8 mm
Weight 17g 20g 22.1g
Shape Curved, Rectangular Curved, Rectangular Curved, Rectangular
Case material Polycarbonate Polycarbonate Polycarbonate
Strap material Silicone Elastomer TPU
Bezel material Bezeless Bezeless 2.5D Tempered Glass
Strap size 140 – 200 mm 155 – 216 mm 155 – 216 mm
Screen protection Anti-scracth glass Anti-scracth glass Anti-scracth glass
Water resistance IP67 Yes, 5ATM Yes, 5ATM
Durability test
Swim-proof No Yes, recommended Yes, recommended
Color Black Black Black
DISPLAY DISPLAY DISPLAY DISPLAY
Display size 0.42 inch 0.78 inch 0.95 inch
Display type Monochromic, OLED Monochromic, OLED 400nit, AMOLED, Full color
Display resolution 72 x 40 px 128 x 80 px 120 x 240 px
Pixel density
Always on Yes Yes Yes
Custom watch face No No 77, Yes
Input type Touchkey Touchkey Touchkey, Touchscreen
CONNECTIVITY CONNECTIVITY CONNECTIVITY CONNECTIVITY
Bluetooth Bluetooth v4.0 Yes, Bluetooth v4.2 LE Bluetooth v5.0
Bluetooth calling - No No
GPS No No (connected GPS), No
NFC (special edition), Yes (special edition), Yes
Wi-Fi No No No
MEMORY MEMORY MEMORY MEMORY
RAM 0.5MB
ROM 16MB
Memory card slot No No No
CELLULAR CONNECTIVITY CELLULAR CONNECTIVITY CELLULAR CONNECTIVITY CELLULAR CONNECTIVITY
Technology None None None
SIM type None None None
Band
NOTIFICATIONS NOTIFICATIONS NOTIFICATIONS NOTIFICATIONS
SMS alert Yes Yes Yes
Calls alert Yes Yes Yes
Email alert Yes Yes Yes
Event reminder Yes Yes Yes
Third-party apps alert Yes Yes Yes
MEDIA MEDIA MEDIA MEDIA
Audio No No No
Bluetooth music No No No
Loudspeaker No No No
Microphone No No MEMS microphone
Camera No No No
Radio No No No
SENSORS SENSORS SENSORS SENSORS
Accelerometer Yes Yes Yes
Altimeter No No No
Ambient light No No No
Barometer No No No
Compass No No No
ECG No No No
Gyroscope No No Yes
HRM Yes Yes Yes
Pulse oximeter
Thermometer - No No
Other sensors
ACTIVITY TRACKING ACTIVITY TRACKING ACTIVITY TRACKING ACTIVITY TRACKING
Blood oxygen No No No
Blood Pressure - No -
Calories Yes Yes Yes
Distance Yes Yes Yes
ECG tracking No No No
Fitness Level No No No
Heart rate monitoring Yes Yes Yes
Sleep tracking Yes Yes Yes
Steps Yes Yes Yes
Stress
Incidental fall detection No No No
Menstrual cycle No No No
VO2 Max No No No
Swim-tracking - No Yes
Swim-heart tracking - No No
On-screen workout - No No
Sport modes 6
BATTERY BATTERY BATTERY BATTERY
Battery type non-removable Lithium-polymer non-removable Lithium-polymer non-removable Lithium-polymer
Battery capacity 70mAh 110mAh 135mAh
Battery life Regular: 20 days Regular: 20 days Regular: 20 days
Charging type 2-Pin charging 2-Pin charging 2-Pin charging
Charging time 1-2 hours 1-2 hours 1-2 hours
Solar power - No No
PLATFORM PLATFORM PLATFORM PLATFORM
Chipset
CPU
GPU
Operating system Proprietary OS Proprietary OS Proprietary OS
MISC MISC MISC MISC
Companion app Mi Fit Mi Fit Mi Fit
Compatibility Android 4.4+, iOS 8.0+ Android 4.4+, iOS 9.0+ Android 4.4+, iOS 9.0+
Payment system None Alipay Alipay
Interchangeable strap Yes Yes Yes
Voice command No No XiaoAI, Yes
Find my phone - Yes Yes
Box content Charger, Manual, Mi Band 2, Straps Charger, Manual, Mi Band 3, Straps Charger, Manual, Mi Band 4, Straps
Price $22.00 $26.50 $27.99 $26.45

Mi Band 2 vs 3 vs 4: What’s The Difference?

Mi Band 2 vs 3 vs 4: Design/Display
MI BAND 2MI BAND 3MI BAND 4
Easy to read monochrome display outdoors.

Has the smallest display size
Easy to read monochrome display outdoors.
Rich and more interactive AMOLED display.

Has the largest display that means you can see more at a glance.
Mi Band 2 vs 3 vs 4: Fitness Tracking
Less fitness tracking features.More activity tracking features than the Mi Band 2 Has more activity tracking features than both the Mi Band 3 and 2.

Tracks your swimming activities, goal completion and more which the Band 2 and 3 lacks.
Mi Band 2 vs 3 vs 4: Waterproof Rating
Rated IP67 which means waterproof up to 1 meter.

Thus, not swim-proof.
Rated 5ATM which means waterproof up to 50 meters.

Swim-proof
Rated 5ATM which means waterproof up to 50 meters.

Swim-proof

Mi Band 2 vs 3 vs 4: Battery Life

Impressive battery life up to 20 days.Impressive battery life up to 20 days.Impressive battery life up to 20 days.

Mi Band 2 vs 3 vs 4: Which is Better?

The Mi Band 4 is clearly a better choice than the Band 3 and 2, it has more activity tracking features and has a much better design with a more interactive AMOLED display and a larger display size that lets you see more at a glance.

While the Mi Band 3 is still a nice choice if you’re looking for a cheaper alternative to the Mi Band 4.

Mi Band 2 vs 3 vs 4: Editors Pick

I go with the MI Band 4, although a bit more expensive, it gives the best value for money.