Fitbit Charge 2 vs. Garmin Vivosmart HR vs. Amazfit Stratos vs. Garmin Vivofit 4 vs. HTC re Grip

 
Charge 2
Vivosmart HR
Stratos
Vivofit 4
re Grip
 FitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowAmazfitStratosRemove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$170$199$79.95$199
Release20162015201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days1 year5 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
Resolutionn/a160 x 68320 x 30088 x 88160 x 32
Sizen/a1.08 inches1.34 inchesNA1.8 inches
Touchn/a
TypeOLEDn/aOLEDNAPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryNA
Apps
Music

All Wearables