Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Fossil Gen 5 Smartwatch Carlyle

 
Flex 2
Forerunner 935
Watch Series 4
Forerunner 45
Gen 5 Smartwatch Carlyle
 FitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$100$500$329$199$295
Release20162017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeksNot Yet7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240384 x 480208 x 208328 x 328
Sizen/a1.2 inches1.78 inches1.04 inches1.3 inches
Touchn/a
TypeLEDLCDMicroLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5Built-inWear OS
Apps
Music

All Wearables