Samsung Gear S2 vs. Garmin Forerunner 935 vs. Polar M430 vs. Garmin 645 Music vs. Polar Loop

 
Gear S2
Forerunner 935
M430
645 Music
Loop
 SamsungGear S2Remove Buy NowGarminForerunner 935Remove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$300$500$255$450$100
Release20152017201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 daysUp to 2 weeks30 hours7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360240 x 240128x128240 x 240NA
Size1.2 inches1.2 inches1.4 inch1.2 inchesNA
Touch
TypeSuper AMOLEDLCDLCDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATMWR305 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNA
Apps
Music

All Wearables