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

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

Basic Info

Suggested Price$150$100$199$300$140
Release20162012201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days7 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a208 x 208128 x 128360 x 360
Sizen/an/a1.04 inches0.9 inches1.3 inches
Touchn/a
TypeOLEDOLEDLCDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables