Amazfit Stratos vs. Garmin Fenix 5X vs. Fitbit Flex vs. Apple Watch Series 4 vs. Garmin Vivosmart 4

 
Stratos
Fenix 5X
Flex
Watch Series 4
Vivosmart 4
 AmazfitStratosRemove Buy NowGarminFenix 5XRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$199$699$100$329$130
Release20182017201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 12 days5 daysNot Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300240 x240NA384 x 48048 x 128
Size1.34 inches1.2 inchesNA1.78 inches0.74 inches
TouchNA
TypeOLEDNALEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM1 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryNAWatch OS 5
Apps
Music

All Wearables