Fitbit Flex 2 vs. Acer Liquid Leap vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Mobvoi TicWatch e2

 
Flex 2
Liquid Leap
645 Music
Watch Series 4
TicWatch e2
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$100$90$450$329$200
Release20162015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days7 daysNot Yet1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 32240 x 240384 x 480360 x 360
Sizen/a1 inch1.2 inches1.78 inches1.2 inches
Touchn/a
TypeLEDOLEDMIPMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX45 ATMNot YetIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5Wear OS
Apps
Music

All Wearables