Garmin Vivosmart HR vs. Garmin Vivosmart 3 vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex

 
Vivosmart HR
Vivosmart 3
TicWatch S2
T-Rex
 GarminVivosmart HRRemove Buy NowGarminVivosmart 3Remove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$139.99$180$140
Release2015201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 DAYS20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 6864 x 128400 x 400360 x 360
Size1.08 inchesNA1.39 inches1.3 inches
Touch
Typen/aOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables