Polar A360 vs. Polar Loop 2 vs. Mobvoi TicWatch E vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
A360
Loop 2
TicWatch E
Vivosmart 4
T-Rex
 PolarA360Remove Buy NowPolarLoop 2Remove Buy NowMobvoiTicWatch ERemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$120$159$130$140
Release20152015201720182019

Activity & Fitness

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

Battery

Duration12 days8 days (without notifications)1.5-2 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80n/a400 x 40048 x 128360 x 360
Size1.18 inchesn/a1.4 inches0.74 inches1.3 inches
Touch
Typen/aLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR302 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables