Garmin Vivoactive HR vs. Fitbit Charge 3 vs. Amazfit T-Rex vs. Garmin VivoActive 4 vs. HTC re Grip

 
Vivoactive HR
Charge 3
T-Rex
VivoActive 4
re Grip
 GarminVivoactive HRRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$250$150$140$349$199
Release20162018201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days7 days20 days8 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution148 x 20566 x 18360 x 360260 x 260160 x 32
Size1.38 inches.721 inches1.3 inches1.3ionches1.8 inches
Touch
Typen/aOLEDAMOLEDMIPPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-inWear OSNA
Apps
Music

All Wearables