Fitbit Flex 2 vs. Asus VivoWatch vs. Garmin Chronos vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Flex 2
VivoWatch
Chronos
Forerunner 45
GTS
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowGarminChronosRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$160$1500$199$150
Release20162018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days8 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128218 x 218208 x 208348 x 442
Sizen/aNA1.2 inches1.04 inches1.65 inches
Touchn/a
TypeLEDNAMIPLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP6710 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSWear OSBuilt-inWear OS
Apps
Music

All Wearables