Garmin Vivoactive vs. Samsung Gear S vs. Fitbit Ionic vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
Vivoactive
Gear S
Ionic
Vivosmart 3
T-Rex
 GarminVivoactiveRemove Buy NowSamsungGear SRemove Buy NowFitbitIonicRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$250$299$139.99$140
Release20152013201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 daysn/a4+ 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
Resolution205 x 148480 x 360348x25064 x 128360 x 360
Size1.38 inches2 inches1.42NA1.3 inches
Touch
TypeLCDSuper AMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP6750m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenFitbit OSBuild-in
Apps
Music

All Wearables