Garmin Fenix 3 vs. Fitbit Charge 2 vs. Fitbit Flex vs. Amazfit T-Rex vs. Apple Series 6

 
Fenix 3
Charge 2
Flex
T-Rex
Series 6
 GarminFenix 3Remove Buy NowFitbitCharge 2Remove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$500$150$100$140$399
Release20152016201320192020

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days5 days20 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/aNA360 x 360384 x 480
Size1.2 inchesn/aNA1.3 inches40mm
Touchn/aNA
TypeChroma LEDOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance10 ATMn/a1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuild-inWatchOS 5
Apps
Music

All Wearables