Polar Loop 2 vs. Fitbit Versa vs. Garmin 645 Music vs. Jawbone UP4 vs. Xiaomi Mi Band

 
Loop 2
Versa
645 Music
UP4
Mi Band
 PolarLoop 2Remove Buy NowFitbitVersaRemove Buy NowGarmin645 MusicRemove Buy NowJawboneUP4Remove Buy NowXiaomiMi BandRemove Buy Now

Basic Info

Suggested Price$120$199.99$450$200$15
Release20152018201820152015

Activity & Fitness

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

Battery

Duration8 days (without notifications)4 days7 daysNA30 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a300 x300240 x 240NANA
Sizen/a1.34 inches1.2 inchesNANA
TouchNANA
TypeLEDOLEDMIPNANA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATMNAIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
MusicNA

All Wearables