Fitbit Flex 2 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Amazfit Verge vs. Michael Kors Grayson vs. Apple Watch Ultra

 
Flex 2
645 Music
Grayson
Verge
Grayson
Watch Ultra
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitVergeRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$450$350$160$350$799
Release201620182018201920182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days24 hours5 days24 hours36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240453 x 454454x454453x454502x410 pixels
Sizen/a1.2 inches1.39 inches1.39 inches1.39 inches1.92 inches
Touchn/a
TypeLEDMIPAMOLEDOMOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMIP681 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAMAZFIT OSAndroid WearWatchOS 9
Apps
Music

All Wearables