Fitbit Charge 2 vs. Garmin Vivosmart vs. Garmin Forerunner 45 vs. Garmin Instinct vs. Amazfit T-Rex

 
Charge 2
Vivosmart
Forerunner 45
Instinct
T-Rex
 FitbitCharge 2Remove Buy NowGarminVivosmartRemove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$170$199$300$140
Release20162014201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7 days14 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16208 x 208128 x 128360 x 360
Sizen/a1.41 inches1.04 inches0.9 inches1.3 inches
Touchn/a
TypeOLEDOLEDLCDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuilt-inBuild-in
Apps
Music

All Wearables