Apple Watch Series 3 vs. ASUS ZenWatch 2 vs. Fitbit Flex 2 vs. Garmin Vivosmart 3 vs. Garmin Forerunner 45

 
Watch Series 3
ZenWatch 2
Flex 2
Vivosmart 3
Forerunner 45
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart 3Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$329$150$100$139.99$199
Release20172016201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a5 days5 days7 days
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 312320 x 320n/a64 x 128208 x 208
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inchn/aNA1.04 inches
Touchn/a
TypeAMOLEDAMOLEDLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4Android Wearn/aBuilt-in
Apps
Music

All Wearables