Fitbit Flex vs. Garmin Vivofit 4 vs. Fossil Gen 5 Smartwatch Carlyle vs. Garmin VivoActive 4 vs. Apple Watch Ultra

 
Flex
Vivofit 4
Gen 5 Smartwatch Carlyle
VivoActive 4
Watch Ultra
 FitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$79.95$295$349$799
Release20132018201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 year1 day8 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA88 x 88328 x 328260 x 260502x410 pixels
SizeNANA1.3 inches1.3ionches1.92 inches
TouchNA
TypeLEDNAAMOLEDMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATM3 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OSWear OSWatchOS 9
Apps
Music

All Wearables