Fitbit Alta vs. Mobvoi TicWatch S2 vs. Mobvoi TicWatch e2 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Alta
TicWatch S2
TicWatch e2
Vivosmart 4
T-Rex
 FitbitAltaRemove Buy NowMobvoiTicWatch S2Remove Buy NowMobvoiTicWatch e2Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$180$200$130$140
Release20162019201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 DAYS1 day7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400360 x 36048 x 128360 x 360
Sizen/a1.39 inches1.2 inches0.74 inches1.3 inches
Touchn/a
TypeOLEDOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP685 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSWear OSBuild-in
Apps
Music

All Wearables