Samsung Gear S2 vs. Garmin Vivofit 3 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Apple Watch 7

 
Gear S2
Vivofit 3
Flex
Forerunner 45
Watch 7
 SamsungGear S2Remove Buy NowGarminVivofit 3Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$100$100$199$429
Release20152016201320192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days1 year5 days7 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 36064 x 64NA208 x 208396 x 484
Size1.2 inches0.55 inchesNA1.04 inches1.9 inches
TouchNA
TypeSuper AMOLEDn/aLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNABuilt-inWatchOS 8
Apps
Music

All Wearables