Fitbit Flex 2 vs. Amazfit Arc vs. Asus ZenWatch vs. Garmin 645 Music vs. Amazfit GTR

 
Flex 2
Arc
ZenWatch
645 Music
GTR
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$69.99$150$450$199
Release20162016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 daysNA7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40320 x 320240 x 240454 x 454
Sizen/a0.42 inches1.63 inches1.2 inches1.39 inches
Touchn/a
TypeLEDOLEDAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67IP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearBuild-in
Apps
Music

All Wearables