Pebble Time Steel vs. Michael Kors Grayson vs. Jawbone UP2 vs. Jawbone UP4 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Time Steel
Grayson
UP2
UP4
Grayson
T-Rex
 PebbleTime SteelRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP2Remove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$350$100$200$350$140
Release201520182015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 days24 hours7 daysNA24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144453 x 454NANA453x454360 x 360
Size1.26 inches1.39 inchesNANA1.39 inches1.3 inches
TouchNANA
Typee-paperAMOLEDNANAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMSplash resistantNA1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearNANAAndroid WearBuild-in
Apps
MusicNA

All Wearables