Polar Loop 2 vs. Polar M430 vs. Casio G-Shock GBA800 vs. Garmin Vivoactive 3 vs. Amazfit T-Rex

 
Loop 2
M430
G-Shock GBA800
Vivoactive 3
T-Rex
 PolarLoop 2Remove Buy NowPolarM430Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminVivoactive 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$255$120$299$140
Release20152017201820172019

Activity & Fitness

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

Battery

Duration8 days (without notifications)30 hours2 years7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128240 x 240360 x 360
Sizen/a1.4 inch1.2 inches1.3 inches
Touch
TypeLEDLCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR3020 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-in
Apps
Music

All Wearables