Samsung Gear S vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. HTC re Grip

 
Gear S
645 Music
Vivosmart HR Plus
re Grip
 SamsungGear SRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$250$450$179$199
Release2013201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360240 x 240160 x 68160 x 32
Size2 inches1.2 inches0.5 inches x 0.8 inches1.8 inches
Touch
TypeSuper AMOLEDMIPLCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNANA
Apps
Music

All Wearables