Fitbit Flex 2 vs. Garmin Fenix 5 vs. Acer Liquid Leap vs. Garmin 645 Music vs. Apple Series 6

 
Flex 2
Fenix 5
Liquid Leap
645 Music
Series 6
 FitbitFlex 2Remove Buy NowGarminFenix 5Remove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$599.99$90$450$399
Release20162017201520182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 Weeks5 to 7 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240128 x 32240 x 240384 x 480
Sizen/a1.2 inches1 inch1.2 inches40mm
Touchn/a
TypeLEDnaOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM10 ATMIPX45 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 5
Apps
Music

All Wearables