Fitbit Flex 2 vs. Apple Watch Series 2 vs. Acer Liquid Leap vs. Garmin 645 Music vs. Garmin VivoActive 4

 
Flex 2
Watch Series 2
Liquid Leap
645 Music
VivoActive 4
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$269$90$450$349
Release20162016201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 to 7 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312128 x 32240 x 240260 x 260
Sizen/a1.5 inches or 1.65 inches1 inch1.2 inches1.3ionches
Touchn/a
TypeLEDAMOLEDOLEDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATMIPX45 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OS
Apps
Music

All Wearables