Garmin Vivofit 3 vs. Fitbit Flex vs. Apple Watch Series 4 vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Vivofit 3
Flex
Watch Series 4
Inspire HR
T-Rex
 GarminVivofit 3Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$100$329$99$140
Release20162013201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration1 year5 daysNot Yet5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution64 x 64NA384 x 480139 x 60360 x 360
Size0.55 inchesNA1.78 inches1.4 inches1.3 inches
TouchNA
Typen/aLEDMicroLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNot Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatch OS 5Fitbit OSBuild-in
Apps
Music

All Wearables