Garmin Forerunner 735XT vs. Garmin Vivoactive vs. Fitbit Ionic vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
Forerunner 735XT
Vivoactive
Ionic
Vivosmart 3
T-Rex
 GarminForerunner 735XTRemove Buy NowGarminVivoactiveRemove Buy NowFitbitIonicRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$250$299$139.99$140
Release20162015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days14 hours to 11 days4+ days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180205 x 148348x25064 x 128360 x 360
Size1.23 inches1.38 inches1.42NA1.3 inches
Touchn/a
Typen/aLCDOLEDOLEDAMOLED

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