Fitbit Flex vs. Microsoft Band vs. Garmin Forerunner 45 vs. Garmin VivoActive 4 vs. Apple Watch Ultra

 
Flex
Band
Forerunner 45
VivoActive 4
Watch Ultra
 FitbitFlexRemove Buy NowMicrosoftBandRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$200$199$349$799
Release20132014201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days7 days8 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA320 x 106208 x 208260 x 260502x410 pixels
SizeNA1.37 inches1.04 inches1.3ionches1.92 inches
TouchNA
TypeLEDCapacitative TFTLCDMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMIP675 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemNANABuilt-inWear OSWatchOS 9
Apps
Music

All Wearables