Fitbit Flex 2 vs. Asus ZenWatch vs. Garmin 645 Music vs. Jawbone UP3 vs. Amazfit GTS

 
Flex 2
ZenWatch
645 Music
UP3
GTS
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowJawboneUP3Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$150$450$180$150
Release20162014201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x 240NA348 x 442
Sizen/a1.63 inches1.2 inchesNA1.65 inches
Touchn/aNA
TypeLEDAMOLEDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATMNA5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAWear OS
Apps
MusicNA

All Wearables