Fitbit Flex 2 vs. Amazfit Cor vs. Asus VivoWatch vs. Samsung Gear 2 vs. Fitbit Charge 3

 
Flex 2
Cor
VivoWatch
Gear 2
Charge 3
 FitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowAsusVivoWatchRemove Buy NowSamsungGear 2Remove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$100$79.99$160$300$150
Release20162018201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days12 days24 hours to 10 days2-3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a80 x 160128 x 128320 x 32066 x 18
Sizen/a1.23 inchesNA1.63 inches.721 inches
Touchn/a
TypeLEDIPS LCDNASuper AMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP67IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSTizen OSNA
Apps
Music

All Wearables