Xiaomi Mi Band 2 vs. Garmin 645 Music vs. Jawbone UP4 vs. Amazfit GTR

 
Mi Band 2
645 Music
UP4
GTR
 XiaomiMi Band 2Remove Buy NowGarmin645 MusicRemove Buy NowJawboneUP4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$23$450$200$199
Release2016201820152019

Activity & Fitness

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

Battery

Duration20 hours7 daysNA24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA454 x 454
Size0.42 inches1.2 inchesNA1.39 inches
TouchNA
TypeOLEDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-in
Apps
MusicNA

All Wearables