Polar M400 vs. Microsoft Band 2 vs. Sony SmartBand Talk vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Mobvoi TicWatch e2

 
M400
Band 2
SmartBand Talk
Grayson
Grayson
TicWatch e2
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowSonySmartBand TalkRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$250$170$350$350$200
Release201420152014201820182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)3 days24 hours24 hours1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128296 x 128453 x 454453x454360 x 360
Sizen/a1.36 inches1.4 inches1.39 inches1.39 inches1.2 inches
Touch
Typen/aCapacitative TFTE InkAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX7IP681 ATM1 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearAndroid WearWear OS
Apps
Music

All Wearables