Garmin Vivosmart HR vs. Fitbit Ionic vs. Garmin 645 Music vs. Mobvoi TicWatch S vs. Amazfit T-Rex

 
Vivosmart HR
Ionic
645 Music
TicWatch S
T-Rex
 GarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch SRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$299$450$199$140
Release20152017201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days7 days1.5-2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68348x250240 x 240400 x 400360 x 360
Size1.08 inches1.421.2 inches1.4 inches1.3 inches
Touch
Typen/aOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid Wear 2.0Build-in
Apps
Music

All Wearables