Fitbit Flex 2 vs. Garmin Fenix 5X vs. Jaybird Reign vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Flex 2
Fenix 5X
Reign
Forerunner 45
GTS
 FitbitFlex 2Remove Buy NowGarminFenix 5XRemove Buy NowJaybirdReignRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$699$150$199$150
Release20162017201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 12 days5 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x240NA208 x 208348 x 442
Sizen/a1.2 inchesNA1.04 inches1.65 inches
Touchn/aNA
TypeLEDNALEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATMNA5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inWear OS
Apps
Music

All Wearables