Amazfit Stratos vs. Amazfit Arc vs. Casio WSD-F20A vs. Fitbit Flex vs. Pebble Core

 
Stratos
Arc
WSD-F20A
Flex
Core
 AmazfitStratosRemove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$199$69.99$399$100$99
Release20182016201820132016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days20 days1 day5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 30072 x40320 x 320NANA
Size1.34 inches0.42 inches1.32 inchesNANA
TouchNANA
TypeOLEDOLEDLCDLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemProprietaryWear OSNANA
Apps
Music

All Wearables