Amazfit Arc vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. Amazfit GTS

 
Arc
WSD-F20A
Flex
Vivosmart 4
GTS
 AmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$69.99$399$100$130$150
Release20162018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days1 day5 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40320 x 320NA48 x 128348 x 442
Size0.42 inches1.32 inchesNA0.74 inches1.65 inches
TouchNA
TypeOLEDLCDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAWear OS
Apps
Music

All Wearables