Fitbit Flex 2 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Garmin Instinct vs. Apple SE

 
Flex 2
Flex
Forerunner 45
Instinct
SE
 FitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$100$199$300$279
Release20162013201920182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days14 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA208 x 208128 x 128384 x 480
Sizen/aNA1.04 inches0.9 inches40mm
Touchn/aNA
TypeLEDLEDLCDOMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM1 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inWatchOS 5
Apps
Music

All Wearables