Fitbit Flex 2 vs. Garmin Forerunner 235 vs. Garmin Forerunner 45 vs. Garmin VivoActive 4 vs. Apple SE

 
Flex 2
Forerunner 235
Forerunner 45
VivoActive 4
SE
 FitbitFlex 2Remove Buy NowGarminForerunner 235Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$299.99$199$349$279
Release20162017201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 days7 days8 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a215 x 180208 x 208260 x 260384 x 480
Sizen/a1.23 inches1.04 inches1.3ionches40mm
Touchn/a
TypeLEDMIPLCDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inWear OSWatchOS 5
Apps
Music

All Wearables