Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Fitbit Ionic vs. Garmin Fenix 5s vs. Amazfit GTR

 
Flex 2
Vivofit 3
Ionic
Fenix 5s
GTR
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowFitbitIonicRemove Buy NowGarminFenix 5sRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$100$299$599.99$199
Release20162016201720172019

Activity & Fitness

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

Battery

Duration5 days1 year4+ daysUp to 9 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 64348x250218x 218454 x 454
Sizen/a0.55 inches1.421.1 inches1.39 inches
Touchn/a
TypeLEDn/aOLEDnaAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50m10ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSBuild-in
Apps
Music

All Wearables