Fitbit Flex 2 vs. Amazfit Stratos vs. Garmin 645 Music vs. Garmin Fenix 5s Plus vs. Garmin Fenix 5X

 
Flex 2
Stratos
645 Music
Fenix 5s Plus
Fenix 5X
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5s PlusRemove Buy NowGarminFenix 5XRemove Buy Now

Basic Info

Suggested Price$100$199$450$799$699
Release20162018201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days7 daysUp to 12 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300240 x 240240 x 240240 x240
Sizen/a1.34 inches1.2 inches1.2 inches1.2 inches
Touchn/a
TypeLEDOLEDMIPMIPNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OS
Apps
Music

All Wearables