Fitbit Charge HR vs. Garmin Forerunner 45 vs. Garmin VivoActive 4 vs. HTC re Grip vs. Apple Series 6

 
Charge HR
Forerunner 45
VivoActive 4
re Grip
Series 6
 FitbitCharge HRRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$199$349$199$399
Release20152019201920202020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days8 days5 hours to 2.5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA208 x 208260 x 260160 x 32384 x 480
SizeNA1.04 inches1.3ionches1.8 inches40mm
TouchNA
TypeOLEDLCDMIPPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance1 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuilt-inWear OSNAWatchOS 5
Apps
Music

All Wearables