Garmin Forerunner 225 vs. Samsung Gear S vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Amazfit T-Rex

 
Forerunner 225
Gear S
Vivosmart HR
Loop 2
T-Rex
 GarminForerunner 225Remove Buy NowSamsungGear SRemove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$250$170$120$140
Release20152013201520152019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeksn/a5 days8 days (without notifications)20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180480 x 360160 x 68n/a360 x 360
Size1 inch2 inches1.08 inchesn/a1.3 inches
Touch
Typen/aSuper AMOLEDn/aLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM2 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aTizenn/an/aBuild-in
Appsn/a
Musicn/a

All Wearables