Garmin Fenix 5s vs. Amazfit Stratos vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Fenix 5s
Stratos
Flex
Forerunner 45
GTS
 GarminFenix 5sRemove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$599.99$199$100$199$150
Release20172018201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 9 days5 days5 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218x 218320 x 300NA208 x 208348 x 442
Size1.1 inches1.34 inchesNA1.04 inches1.65 inches
TouchNA
TypenaOLEDLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10ATM5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryNABuilt-inWear OS
Apps
Music

All Wearables