Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Garmin Fenix 5x Plus vs. Garmin Forerunner 45 vs. Apple Watch Ultra

 
Flex 2
ZenWatch 3
Fenix 5x Plus
Forerunner 45
Watch Ultra
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarminFenix 5x PlusRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$229$850$199$799
Release20162017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours20 days7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400240 x 240208 x 208502x410 pixels
Sizen/a1.39 inches1.2 inches1.04 inches1.92 inches
Touchn/a
TypeLEDAMOLEDMIPLCD

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSBuilt-inWatchOS 9
Apps
Music

All Wearables