Fitbit Flex 2 vs. Fitbit Charge HR vs. LG G Watch R vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Flex 2
Charge HR
G Watch R
T-Rex
VivoActive 4
 FitbitFlex 2Remove Buy NowFitbitCharge HRRemove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$150$300$140$349
Release20162015201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 days20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNAn/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA320 x 320360 x 360260 x 260
Sizen/aNA1.3 inches1.3 inches1.3ionches
Touchn/aNA
TypeLEDOLEDP-OLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAndroid WearBuild-inWear OS
Apps
Music

All Wearables