Garmin Vivoactive HR vs. Fitbit Alta HR vs. Garmin Vivosmart 4 vs. HTC re Grip vs. Apple Series 6

 
Vivoactive HR
Alta HR
Vivosmart 4
re Grip
Series 6
 GarminVivoactive HRRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$250$150$130$199$399
Release20162017201820202020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days7 days7 days5 hours to 2.5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205128 x 3648 x 128160 x 32384 x 480
Size1.38 inches1.4 inches0.74 inches1.8 inches40mm
Touch
Typen/aOLEDOLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatchOS 5
Apps
Music

All Wearables