Samsung Gear S2 vs. Polar M430 vs. Garmin 645 Music vs. Garmin Instinct

 
Gear S2
M430
645 Music
Instinct
 SamsungGear S2Remove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$300$255$450$300
Release2015201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days30 hours7 days14 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 360128x128240 x 240128 x 128
Size1.2 inches1.4 inch1.2 inches0.9 inches
Touch
TypeSuper AMOLEDLCDMIPOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68WR305 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizen
Apps
Music

All Wearables