Polar Loop 2 vs. Garmin Fenix 5 vs. Acer Liquid Leap vs. Garmin 645 Music vs. Garmin Vivofit 4

 
Loop 2
Fenix 5
Liquid Leap
645 Music
Vivofit 4
 PolarLoop 2Remove Buy NowGarminFenix 5Remove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$120$599.99$90$450$79.95
Release20152017201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)2 Weeks5 to 7 days7 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240128 x 32240 x 24088 x 88
Sizen/a1.2 inches1 inch1.2 inchesNA
Touch
TypeLEDnaOLEDMIPNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM10 ATMIPX45 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/a
Apps
Music

All Wearables