Garmin Forerunner 225 vs. Garmin Vivoactive vs. Samsung Gear S2 vs. Polar M430 vs. Amazfit T-Rex

 
Forerunner 225
Vivoactive
Gear S2
M430
T-Rex
 GarminForerunner 225Remove Buy NowGarminVivoactiveRemove Buy NowSamsungGear S2Remove Buy NowPolarM430Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$250$300$255$140
Release20152015201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks14 hours to 11 days2-3 days30 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution180 x 180205 x 148360 x 360128x128360 x 360
Size1 inch1.38 inches1.2 inches1.4 inch1.3 inches
Touch
Typen/aLCDSuper AMOLEDLCDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP68WR305 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aTizenBuild-in
Appsn/a
Musicn/a

All Wearables