Fitbit Flex 2 vs. Garmin Vivosmart HR vs. ASUS ZenWatch 3 vs. Garmin Fenix 5s vs. Apple Watch Ultra

 
Flex 2
Vivosmart HR
ZenWatch 3
Fenix 5s
Watch Ultra
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowASUSZenWatch 3Remove Buy NowGarminFenix 5sRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$170$229$599.99$799
Release20162015201720172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hoursUp to 9 days36 hrs
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68400 x 400218x 218502x410 pixels
Sizen/a1.08 inches1.39 inches1.1 inches1.92 inches
Touchn/a
TypeLEDn/aAMOLEDna

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2WatchOS 9
Apps
Music

All Wearables