Polar Loop 2 vs. ASUS ZenWatch 3 vs. Amazfit Cor vs. Casio G-Shock GBA800 vs. Fitbit Flex

 
Loop 2
ZenWatch 3
Cor
G-Shock GBA800
Flex
 PolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$120$229$79.99$120$100
Release20152017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)48 hours12 days2 years5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 40080 x 160NA
Sizen/a1.39 inches1.23 inchesNA
TouchNA
TypeLEDAMOLEDIPS LCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM20 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NA
Apps
Music

All Wearables