Fitbit Alta HR vs. Garmin Vivofit 4 vs. Apple Watch Series 4 vs. HTC re Grip vs. Apple Series 6

 
Alta HR
Vivofit 4
Watch Series 4
re Grip
Series 6
 FitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch Series 4Remove Buy NowHTCre GripRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$79.95$329$199$399
Release20172018201820202020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1 yearNot Yet5 hours to 2.5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 3688 x 88384 x 480160 x 32384 x 480
Size1.4 inchesNA1.78 inches1.8 inches40mm
Touch
TypeOLEDNAMicroLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMNot YetIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OS 5NAWatchOS 5
Apps
Music

All Wearables