Samsung Gear S2 vs. Polar M430 vs. Amazfit Cor vs. Garmin Forerunner 235 vs. Amazfit GTR

 
Gear S2
M430
Cor
Forerunner 235
GTR
 SamsungGear S2Remove Buy NowPolarM430Remove Buy NowAmazfitCorRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$255$79.99$299.99$199
Release20152017201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days30 hours12 days9 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360128x12880 x 160215 x 180454 x 454
Size1.2 inches1.4 inch1.23 inches1.23 inches1.39 inches
Touch
TypeSuper AMOLEDLCDIPS LCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68WR305 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenBuild-in
Apps
Music

All Wearables