ASUS ZenWatch 2 vs. Polar Loop 2 vs. Sony SmartBand 2 vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
ZenWatch 2
Loop 2
SmartBand 2
G-Shock GBA800
T-Rex
 ASUSZenWatch 2Remove Buy NowPolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$120$130$120$140
Release20162015201520182019

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)2 days2 years20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/an/a360 x 360
Size1.63 inches or 1.45 inchn/an/a1.3 inches
Touchn/a
TypeAMOLEDLEDn/aAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATMIP5820 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aBuild-in
Apps
Music

All Wearables