Microsoft Band 2 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Amazfit GTS

 
Band 2
645 Music
Alta HR
GTS
 MicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$250$450$150$150
Release2015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)7 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128240 x 240128 x 36348 x 442
Size1.36 inches1.2 inches1.4 inches1.65 inches
Touch
TypeCapacitative TFTMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OS
Apps
Music

All Wearables