Fitbit Alta vs. Microsoft Band 2 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 7

 
Alta
Band 2
645 Music
Grayson
Grayson
Watch 7
 FitbitAltaRemove Buy NowMicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$250$450$350$350$429
Release201620152018201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours (without GPS)7 days24 hours24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128240 x 240453 x 454453x454396 x 484
Sizen/a1.36 inches1.2 inches1.39 inches1.39 inches1.9 inches
Touchn/a
TypeOLEDCapacitative TFTMIPAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX75 ATM1 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearWatchOS 8
Apps
Music

All Wearables