Fitbit Charge 2 vs. Garmin 645 Music vs. Jawbone UP2 vs. Xiaomi Mi Band 4 vs. Amazfit GTR

 
Charge 2
645 Music
UP2
Mi Band 4
GTR
 FitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowJawboneUP2Remove Buy NowXiaomiMi Band 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$450$100$25$199
Release20162018201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7 days20 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA120x240454 x 454
Sizen/a1.2 inchesNA0.95 inches1.39 inches
Touchn/aNA
TypeOLEDMIPNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplash resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAMAZFIT OSBuild-in
Apps
Music

All Wearables