Garmin Forerunner 225 vs. Microsoft Band 2 vs. Garmin 645 Music vs. Michael Kors Access Sofie HR vs. Amazfit GTR

 
Forerunner 225
Band 2
645 Music
Access Sofie HR
GTR
 GarminForerunner 225Remove Buy NowMicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$250$450$395$199
Release20152015201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks48 hours (without GPS)7 days2 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180320 x 128240 x 240390 x 390454 x 454
Size1 inch1.36 inches1.2 inches1.19 inches1.39 inches
Touch
Typen/aCapacitative TFTMIPOMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM0.3 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aWear OSBuild-in
Appsn/a
Musicn/a

All Wearables