Fitbit Alta vs. Garmin Vivoactive 3 vs. Garmin Vivosmart 3 vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex

 
Alta
Vivoactive 3
Vivosmart 3
TicWatch S2
T-Rex
 FitbitAltaRemove Buy NowGarminVivoactive 3Remove Buy NowGarminVivosmart 3Remove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$299$139.99$180$140
Release20162017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days5 days2 DAYS20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 24064 x 128400 x 400360 x 360
Sizen/a1.2 inchesNA1.39 inches1.3 inches
Touchn/a
TypeOLEDMIPOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables