Polar Loop 2 vs. TomTom Touch vs. Xiaomi Mi Band 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Loop 2
Touch
Mi Band 2
Grayson
Grayson
Vivosmart 4
 PolarLoop 2Remove Buy NowTomTomTouchRemove Buy NowXiaomiMi Band 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$130$23$350$350$130
Release201520162016201820182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days20 hours24 hours24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a453 x 454453x45448 x 128
Sizen/a0.91 inches0.42 inches1.39 inches1.39 inches0.74 inches
Touch
TypeLEDn/aOLEDAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clockn/a
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIPX7IP671 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables