Fitbit Flex 2 vs. Amazfit Cor vs. Fitbit Charge vs. Amazfit GTS vs. Apple Series 6

 
Flex 2
Cor
Charge
GTS
Series 6
 FitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowFitbitChargeRemove Buy NowAmazfitGTSRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$79.99$130$150$399
Release20162018201420192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days7-10 days14 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a80 x 160NA348 x 442384 x 480
Sizen/a1.23 inchesNA1.65 inches40mm
Touchn/aNA
TypeLEDIPS LCDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSWatchOS 5
Apps
Music

All Wearables