Fitbit Flex 2 vs. Apple Watch Series 2 vs. Amazfit Cor vs. Garmin Chronos vs. Fitbit Charge 3

 
Flex 2
Watch Series 2
Cor
Chronos
Charge 3
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitCorRemove Buy NowGarminChronosRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$100$269$79.99$1500$150
Release20162016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours12 days8 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 31280 x 160218 x 21866 x 18
Sizen/a1.5 inches or 1.65 inches1.23 inches1.2 inches.721 inches
Touchn/a
TypeLEDAMOLEDIPS LCDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSNA
Apps
Music

All Wearables