Polar M600 vs. Amazfit Bip vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Apple Watch Ultra

 
M600
Bip
Grayson
Grayson
T-Rex
Watch Ultra
 PolarM600Remove Buy NowAmazfitBipRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$330$99.99$350$350$140$799
Release201620182018201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days30 days24 hours24 hours20 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240176 x 176453 x 454453x454360 x 360502x410 pixels
Size1.3 inches1.28 inches1.39 inches1.39 inches1.3 inches1.92 inches
Touchn/a
TypeTFTNAAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP681 ATM1 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearAndroid WearBuild-inWatchOS 9
Apps
Music

All Wearables