Fitbit Ionic vs. LG Watch Sport vs. Garmin Vivosmart 4 vs. Amazfit T-Rex vs. Apple Series 6

 
Ionic
Watch Sport
Vivosmart 4
T-Rex
Series 6
 FitbitIonicRemove Buy NowLGWatch SportRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$349$130$140$399
Release20172016201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1.45 days7 days20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250480 x 48048 x 128360 x 360384 x 480
Size1.421.38 inches0.74 inches1.3 inches40mm
Touch
TypeOLEDP-OLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50mIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2Build-inWatchOS 5
Apps
Music

All Wearables