Microsoft Band 2 vs. Amazfit Stratos vs. Amazfit Arc vs. Fitbit Alta HR vs. Michael Kors Access Sofie HR

 
Band 2
Stratos
Arc
Alta HR
Access Sofie HR
 MicrosoftBand 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitArcRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$250$199$69.99$150$395
Release20152018201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)5 days20 days7 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128320 x 30072 x40128 x 36390 x 390
Size1.36 inches1.34 inches0.42 inches1.4 inches1.19 inches
Touch
TypeCapacitative TFTOLEDOLEDOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATMIP670.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OS
Apps
Music

All Wearables