Apple Watch Series 3 vs. Garmin Fenix 5s vs. Amazfit Stratos vs. Fitbit Flex vs. Amazfit GTS

 
Watch Series 3
Fenix 5s
Stratos
Flex
GTS
 AppleWatch Series 3Remove Buy NowGarminFenix 5sRemove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$329$599.99$199$100$150
Release20172017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursUp to 9 days5 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312218x 218320 x 300NA348 x 442
Size1.5 inches or 1.65 inches1.1 inches1.34 inchesNA1.65 inches
TouchNA
TypeAMOLEDnaOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4ProprietaryNAWear OS
Apps
Music

All Wearables