Fitbit Flex 2 vs. Samsung Gear Sport vs. Fitbit Alta HR vs. Apple Watch Series 4 vs. Apple Watch Series 5

 
Flex 2
Gear Sport
Alta HR
Watch Series 4
Watch Series 5
 FitbitFlex 2Remove Buy NowSamsungGear SportRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$100$299.99$150$329$329
Release20162017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days7 daysNot YetNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a360 x 360128 x 36384 x 480384 x 480
Sizen/a1.2 inches1.4 inches1.78 inches1.78 Inches
Touchn/a
TypeLEDSuper AMOLEDOLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot YetNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSWatch OS 5WatchOS 5
Apps
Music

All Wearables