Samsung Gear S2 vs. Fitbit Charge 2 vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Fitbit Inspire HR

 
Gear S2
Charge 2
645 Music
Forerunner 235
Inspire HR
 SamsungGear S2Remove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$300$150$450$299.99$99
Release20152016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7 days9 days5 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 360n/a240 x 240215 x 180139 x 60
Size1.2 inchesn/a1.2 inches1.23 inches1.4 inches
Touchn/a
TypeSuper AMOLEDOLEDMIPMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aFitbit OS
Apps
Music

All Wearables