Apple Watch Series 3 vs. Garmin Forerunner 735XT vs. Fitbit Flex 2 vs. Apple Watch Series 5 vs. Apple Watch Ultra

 
Watch Series 3
Forerunner 735XT
Flex 2
Watch Series 5
Watch Ultra
 AppleWatch Series 3Remove Buy NowGarminForerunner 735XTRemove Buy NowFitbitFlex 2Remove Buy NowAppleWatch Series 5Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$450$100$329$799
Release20172016201620192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours14 hours to 11 days5 daysNot Yet36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312215 x 180n/a384 x 480502x410 pixels
Size1.5 inches or 1.65 inches1.23 inchesn/a1.78 Inches1.92 inches
Touchn/an/a
TypeAMOLEDn/aLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMNot Yet10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aWatchOS 5WatchOS 9
Apps
Music

All Wearables