Fitbit Flex vs. Garmin Forerunner 45 vs. Fossil Gen 5 Smartwatch Carlyle vs. Apple Watch 8 vs. Apple Watch Ultra

 
Flex
Forerunner 45
Gen 5 Smartwatch Carlyle
Watch 8
Watch Ultra
 FitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowAppleWatch 8Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$199$295$499$799
Release20132019201920222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1 day18 hrs36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA208 x 208328 x 328340 x 272 or 390 x 312502x410 pixels
SizeNA1.04 inches1.3 inches1.5 inches or 1.65 inches1.92 inches
TouchNA
TypeLEDLCDAMOLEDAMOLED

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 SystemNABuilt-inWear OSWatchOS 9WatchOS 9
Apps
Music

All Wearables