Fitbit Flex 2 vs. Apple Watch Series 2 vs. Amazfit Cor vs. Garmin Vivosmart 4 vs. Amazfit GTS

 
Flex 2
Watch Series 2
Cor
Vivosmart 4
GTS
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitCorRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$269$79.99$130$150
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours12 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 31280 x 16048 x 128348 x 442
Sizen/a1.5 inches or 1.65 inches1.23 inches0.74 inches1.65 inches
Touchn/a
TypeLEDAMOLEDIPS LCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OS
Apps
Music

All Wearables