Garmin Fenix 3 vs. Polar M600 vs. Polar Loop 2 vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
Fenix 3
M600
Loop 2
G-Shock GBA800
T-Rex
 GarminFenix 3Remove Buy NowPolarM600Remove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$330$120$120$140
Release20152016201520182019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks2 days8 days (without notifications)2 years20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218240 x 240n/a360 x 360
Size1.2 inches1.3 inchesn/a1.3 inches
Touchn/a
TypeChroma LEDTFTLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATMIPX82 ATM20 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aBuild-in
Apps
Music

All Wearables