Amazfit Stratos vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivosport vs. HTC re Grip

 
Stratos
WSD-F20A
Flex
Vivosport
re Grip
 AmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivosportRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$199$399$100$199$199
Release20182018201320172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300320 x 320NA72 x 144160 x 32
Size1.34 inches1.32 inchesNANA1.8 inches
TouchNA
TypeOLEDLCDLEDMIPPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryWear OSNANA
Apps
Music

All Wearables