Microsoft Band 2 vs. Garmin 645 Music vs. Fitbit Charge vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Band 2
645 Music
Charge
Forerunner 45
GTR
 MicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$450$130$199$199
Release20152018201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)7 days7-10 days7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128240 x 240NA208 x 208454 x 454
Size1.36 inches1.2 inchesNA1.04 inches1.39 inches
TouchNA
TypeCapacitative TFTMIPOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inBuild-in
Apps
Music

All Wearables