Fossil Q Reveler vs. Polar Loop 2 vs. Withings Go vs. Xiaomi Mi Band 2 vs. Xiaomi Mi Band 4

 
Q Reveler
Loop 2
Go
Mi Band 2
Mi Band 4
 FossilQ RevelerRemove Buy NowPolarLoop 2Remove Buy NowWithingsGoRemove Buy NowXiaomiMi Band 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$125$120$80$23$25
Release20152015201620162019

Activity & Fitness

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

Battery

Duration7 days8 days (without notifications)8 months20 hours20 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/a
Macn/an/an/an/a
Windowsn/an/an/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/an/a120x240
Sizen/an/an/a0.42 inches0.95 inches
Touchn/an/a
Typen/aLEDE-InkOLEDAMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATM5 ATMIP675 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/an/aAMAZFIT OS
Appsn/a
Music

All Wearables