Samsung Gear S2 vs. Casio WSD-F20A vs. Fitbit Flex vs. Huawei Band 2 vs. Amazfit GTS

 
Gear S2
WSD-F20A
Flex
Band 2
GTS
 SamsungGear S2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowHuaweiBand 2Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$300$399$100$69.99$150
Release20152018201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days1 day5 days21 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360320 x 320NA128 x 32348 x 442
Size1.2 inches1.32 inchesNA0.91 inches1.65 inches
TouchNA
TypeSuper AMOLEDLCDLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWear OSNAWear OS
Apps
Music

All Wearables