Samsung Gear S2 vs. Fitbit Charge HR vs. Garmin Vivosmart 4 vs. Fitbit Inspire HR vs. HTC re Grip

 
Gear S2
Charge HR
Vivosmart 4
Inspire HR
re Grip
 SamsungGear S2Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 4Remove Buy NowFitbitInspire HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$300$150$130$99$199
Release20152015201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360NA48 x 128139 x 60160 x 32
Size1.2 inchesNA0.74 inches1.4 inches1.8 inches
TouchNA
TypeSuper AMOLEDOLEDOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP681 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNAFitbit OSNA
Apps
Music

All Wearables