Polar Loop 2 vs. Xiaomi Mi Band 2 vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Garmin 645 Music

 
Loop 2
Mi Band 2
Ionic
Forerunner 935
645 Music
 PolarLoop 2Remove Buy NowXiaomiMi Band 2Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$120$23$299$500$450
Release20152016201720172018

Activity & Fitness

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

Battery

Duration8 days (without notifications)20 hours4+ daysUp to 2 weeks7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250240 x 240240 x 240
Sizen/a0.42 inches1.421.2 inches1.2 inches
Touch
TypeLEDOLEDOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP6750m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OS
Apps
Music

All Wearables