Apple Watch Series 3 vs. Samsung Gear S3 vs. Fitbit Flex 2 vs. Garmin VivoActive 4

 
Watch Series 3
Gear S3
Flex 2
VivoActive 4
 AppleWatch Series 3Remove Buy NowSamsungGear S3Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$329$350$100$349
Release2017201620162019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration18 hours4 days5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312360 x 360n/a260 x 260
Size1.5 inches or 1.65 inches1.3 inchesn/a1.3ionches
Touchn/a
TypeAMOLEDFullcolor AODLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Tizenn/aWear OS
Apps
Music

All Wearables