Fitbit Flex 2 vs. Microsoft Band 2 vs. Amazfit Stratos vs. Casio WSD-F20A vs. Amazfit GTS

 
Flex 2
Band 2
Stratos
WSD-F20A
GTS
 FitbitFlex 2Remove Buy NowMicrosoftBand 2Remove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$250$199$399$150
Release20162015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours (without GPS)5 days1 day14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128320 x 300320 x 320348 x 442
Sizen/a1.36 inches1.34 inches1.32 inches1.65 inches
Touchn/a
TypeLEDCapacitative TFTOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryWear OSWear OS
Apps
Music

All Wearables