Samsung Gear S2 vs. Fitbit Flex 2 vs. Fitbit Charge 3 vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Gear S2
Flex 2
Charge 3
Forerunner 45
GTS
 SamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitCharge 3Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$300$100$150$199$150
Release20152016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFCNA
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a66 x 18208 x 208348 x 442
Size1.2 inchesn/a.721 inches1.04 inches1.65 inches
Touchn/a
TypeSuper AMOLEDLEDOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNABuilt-inWear OS
Apps
Music

All Wearables