Fitbit Charge 2 vs. Mobvoi TicWatch S vs. Garmin Vivofit 4 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Charge 2
TicWatch S
Vivofit 4
Vivosmart 4
T-Rex
 FitbitCharge 2Remove Buy NowMobvoiTicWatch SRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$199$79.95$130$140
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1.5-2 days1 year7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 40088 x 8848 x 128360 x 360
Sizen/a1.4 inchesNA0.74 inches1.3 inches
Touchn/a
TypeOLEDOLEDNAOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables