Samsung Gear S2 vs. Polar M430 vs. Garmin 645 Music vs. Fitbit Charge HR vs. Huawei Band 2

 
Gear S2
M430
645 Music
Charge HR
Band 2
 SamsungGear S2Remove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$300$255$450$150$69.99
Release20152017201820152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days30 hours7 days5 days21 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360128x128240 x 240NA128 x 32
Size1.2 inches1.4 inch1.2 inchesNA0.91 inches
TouchNA
TypeSuper AMOLEDLCDMIPOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68WR305 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNA
Apps
Music

All Wearables