Fitbit Ionic vs. New Balance RunIQ vs. Fitbit Flex vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Ionic
RunIQ
Flex
T-Rex
VivoActive 4
 FitbitIonicRemove Buy NowNew BalanceRunIQRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$299$299$100$140$349
Release20172017201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours (5 hrs w GPS and heart rate)5 days20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250400 x 400NA360 x 360260 x 260
Size1.421.39 inchesNA1.3 inches1.3ionches
TouchNA
TypeOLEDAMOLEDLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 1.5NABuild-inWear OS
Apps
Music

All Wearables