Fitbit Flex 2 vs. Diesel On Full Guard vs. Garmin Vivoactive 3 vs. Garmin Vivosmart HR Plus vs. Amazfit T-Rex

 
Flex 2
On Full Guard
Vivoactive 3
Vivosmart HR Plus
T-Rex
 FitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowGarminVivoactive 3Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$325$299$179$140
Release20162017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454 x 454240 x 240160 x 68360 x 360
Sizen/a1.4 inches1.2 inches0.5 inches x 0.8 inches1.3 inches
Touchn/a
TypeLEDOMOLEDMIPLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables