Polar Loop 2 vs. Sony SmartBand Talk vs. Acer Liquid Leap vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
Loop 2
SmartBand Talk
Liquid Leap
Grayson
Watch Series 4
Grayson
 PolarLoop 2Remove Buy NowSonySmartBand TalkRemove Buy NowAcerLiquid LeapRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$170$90$350$329$350
Release201520142015201820182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)3 days5 to 7 days24 hoursNot Yet24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128128 x 32453 x 454384 x 480453x454
Sizen/a1.4 inches1 inch1.39 inches1.78 inches1.39 inches
Touch
TypeLEDE InkOLEDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP68IPX41 ATMNot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearWatch OS 5Android Wear
Apps
Music

All Wearables