Fitbit Ionic vs. Garmin Fenix 5s vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Amazfit GTS

 
Ionic
Fenix 5s
Flex
Vivofit 4
GTS
 FitbitIonicRemove Buy NowGarminFenix 5sRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$299$599.99$100$79.95$150
Release20172017201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysUp to 9 days5 days1 year14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250218x 218NA88 x 88348 x 442
Size1.421.1 inchesNANA1.65 inches
TouchNA
TypeOLEDnaLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m10ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNAWear OS
Apps
Music

All Wearables