Fitbit Flex 2 vs. Garmin 645 Music vs. Apple Watch Series 5 vs. Apple SE

 
Flex 2
645 Music
Watch Series 5
SE
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 5Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$450$329$279
Release2016201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysNot Yet18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240384 x 480384 x 480
Sizen/a1.2 inches1.78 Inches40mm
Touchn/a
TypeLEDMIPMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 5WatchOS 5
Apps
Music

All Wearables