Polar Loop 2 vs. LG Watch Urbane 2 vs. Pebble Time 2 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Loop 2
Watch Urbane 2
Time 2
Vivosmart 4
T-Rex
 PolarLoop 2Remove Buy NowLGWatch Urbane 2Remove Buy NowPebbleTime 2Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$300$199$130$140
Release20152015201620182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)NA10 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480NA48 x 128360 x 360
Sizen/a1.38 inchesNA0.74 inches1.3 inches
Touch
TypeLEDP-OLEDe-paperOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMNA3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearPebble OSBuild-in
Apps
Music

All Wearables