Fitbit Flex 2 vs. Amazfit Stratos vs. Asus ZenWatch vs. Garmin Chronos vs. Fitbit Charge HR

 
Flex 2
Stratos
ZenWatch
Chronos
Charge HR
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAsusZenWatchRemove Buy NowGarminChronosRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$100$199$150$1500$150
Release20162018201420182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA8 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300320 x 320218 x 218NA
Sizen/a1.34 inches1.63 inches1.2 inchesNA
Touchn/aNA
TypeLEDOLEDAMOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP5510 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aProprietaryAndroid WearWear OSNA
Apps
Music

All Wearables