Polar Loop 2 vs. Amazfit Bip vs. Asus ZenWatch vs. Amazfit GTS vs. Amazfit T-Rex

 
Loop 2
Bip
ZenWatch
GTS
T-Rex
 PolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowAsusZenWatchRemove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$99.99$150$150$140
Release20152018201420192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)30 daysNA14 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a176 x 176320 x 320348 x 442360 x 360
Sizen/a1.28 inches1.63 inches1.65 inches1.3 inches
Touch
TypeLEDNAAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP68IP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSBuild-in
Apps
Music

All Wearables