Fitbit Flex 2 vs. Fitbit Ionic vs. Garmin VivoActive 4 vs. Apple Watch 8 vs. Apple SE

 
Flex 2
Ionic
VivoActive 4
Watch 8
SE
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch 8Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$299$349$499$279
Release20162017201920222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days8 days18 hrs18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250260 x 260340 x 272 or 390 x 312384 x 480
Sizen/a1.421.3ionches1.5 inches or 1.65 inches40mm
Touchn/a
TypeLEDOLEDMIPAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSWatchOS 9WatchOS 5
Apps
Music

All Wearables