Amazfit Stratos vs. Amazfit Arc vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivosmart HR Plus

 
Stratos
Arc
WSD-F20A
Flex
Vivosmart HR Plus
 AmazfitStratosRemove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$199$69.99$399$100$179
Release20182016201820132017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 30072 x40320 x 320NA160 x 68
Size1.34 inches0.42 inches1.32 inchesNA0.5 inches x 0.8 inches
TouchNA
TypeOLEDOLEDLCDLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryWear OSNANA
Apps
Music

All Wearables