Xiaomi Mi Band 2 vs. Jawbone UP2 vs. Polar A370 vs. Polar Loop vs. Xiaomi Mi Band 4

 
Mi Band 2
UP2
A370
Loop
Mi Band 4
 XiaomiMi Band 2Remove Buy NowJawboneUP2Remove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$23$100$179.95$100$25
Release20162015201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration20 hours7 daysUp to 3 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA160 x 80NA120x240
Size0.42 inchesNA1.18 inchesNA0.95 inches
TouchNA
TypeOLEDNATFT LCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67Splash resistantWR302 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAAMAZFIT OS
Apps
Music

All Wearables