Fitbit Surge vs. Polar M400 vs. Acer Liquid Leap vs. Michael Kors Grayson vs. Sony SmartBand vs. Michael Kors Grayson

 
Surge
M400
Liquid Leap
Grayson
SmartBand
Grayson
 FitbitSurgeRemove Buy NowPolarM400Remove Buy NowAcerLiquid LeapRemove Buy NowMichael KorsGraysonRemove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$200$90$350$100$350
Release201620142015201820142018

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days5 to 7 days24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/a128 x 32453 x 454NA453x454
Size1.26 inchesn/a1 inch1.39 inchesNA1.39 inches
TouchNA
TypeMonochrome LCDn/aOLEDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIPX41 ATMIP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables