Garmin Vivoactive HR vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
Vivoactive HR
Flex 2
Ionic
Vivosmart 3
T-Rex
 GarminVivoactive HRRemove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$100$299$139.99$140
Release20162016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days5 days4+ days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution148 x 205n/a348x25064 x 128360 x 360
Size1.38 inchesn/a1.42NA1.3 inches
Touchn/a
Typen/aLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSBuild-in
Apps
Music

All Wearables