Garmin Forerunner 735XT vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Garmin VivoActive 4 vs. Apple Watch Ultra

 
Forerunner 735XT
Flex
Forerunner 45
VivoActive 4
Watch Ultra
 GarminForerunner 735XTRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$450$100$199$349$799
Release20162013201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days7 days8 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180NA208 x 208260 x 260502x410 pixels
Size1.23 inchesNA1.04 inches1.3ionches1.92 inches
Touchn/aNA
Typen/aLEDLCDMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inWear OSWatchOS 9
Apps
Music

All Wearables