ASUS ZenWatch 2 vs. Polar Loop 2 vs. Amazfit Bip vs. Xiaomi Mi Band 4

 
ZenWatch 2
Loop 2
Bip
Mi Band 4
 ASUSZenWatch 2Remove Buy NowPolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$120$99.99$25
Release2016201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 days (without notifications)30 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a176 x 176120x240
Size1.63 inches or 1.45 inchn/a1.28 inches0.95 inches
Touch
TypeAMOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATMIP685 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAMAZFIT OS
Apps
Music

All Wearables