Pebble Time Round vs. Polar Loop 2 vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Time Round
Loop 2
Grayson
Gear 2
Grayson
Vivosmart 4
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$120$350$300$350$130
Release201520152018201420182018

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)24 hours2-3 days24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454320 x 320453x45448 x 128
Sizeroundn/a1.39 inches1.63 inches1.39 inches0.74 inches
Touch
Typee-paperLEDAMOLEDSuper AMOLEDAMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM1 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearTizen OSAndroid Wear
Apps
Music

All Wearables