Polar Loop 2 vs. Acer Liquid Leap vs. Garmin 645 Music vs. Amazfit T-Rex vs. Garmin Venu

 
Loop 2
Liquid Leap
645 Music
T-Rex
Venu
 PolarLoop 2Remove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy NowGarminVenuRemove Buy Now

Basic Info

Suggested Price$120$90$450$140$299
Release20152015201820192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 to 7 days7 days20 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32240 x 240360 x 360390 x 390
Sizen/a1 inch1.2 inches1.3 inches1.2 inches
Touch
TypeLEDOLEDMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-inWear OS
Apps
Music

All Wearables