Garmin Forerunner 225 vs. Fitbit Charge 2 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Forerunner 225
Charge 2
Vivosmart 4
T-Rex
VivoActive 4
 GarminForerunner 225Remove Buy NowFitbitCharge 2Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$150$130$140$349
Release20152016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days7 days20 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a48 x 128360 x 360260 x 260
Size1 inchn/a0.74 inches1.3 inches1.3ionches
Touchn/a
Typen/aOLEDOLEDAMOLEDMIP

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aBuild-inWear OS
Appsn/a
Musicn/a

All Wearables