Samsung Gear S vs. Fitbit Flex vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
Gear S
Flex
Watch Series 4
Forerunner 45
Vivosmart 4
 SamsungGear SRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$100$329$199$130
Release20132013201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 daysNot Yet7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360NA384 x 480208 x 20848 x 128
Size2 inchesNA1.78 inches1.04 inches0.74 inches
TouchNA
TypeSuper AMOLEDLEDMicroLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATMNot Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNAWatch OS 5Built-in
Apps
Music

All Wearables