Pebble Time Round vs. Polar M400 vs. Microsoft Band 2 vs. Misfit Ray vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Time Round
M400
Band 2
Ray
Grayson
Grayson
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$200$250$100$350$350
Release201520142015201620182018

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days48 hours (without GPS)6 months24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 128n/a453 x 454453x454
Sizeroundn/a1.36 inchesn/a1.39 inches1.39 inches
Touchn/a
Typee-papern/aCapacitative TFTLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATMIPX75 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables