Fitbit Flex 2 vs. Fitbit Flex vs. Apple Watch Series 5 vs. Garmin Vivosmart 4

 
Flex 2
Flex
Watch Series 5
Vivosmart 4
 FitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$100$329$130
Release2016201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNot Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA384 x 48048 x 128
Sizen/aNA1.78 Inches0.74 inches
Touchn/aNA
TypeLEDLEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatchOS 5
Apps
Music

All Wearables