Fitbit Charge 2 vs. Microsoft Band 2 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Amazfit GTR

 
Charge 2
Band 2
WSD-F20A
645 Music
GTR
 FitbitCharge 2Remove Buy NowMicrosoftBand 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$250$399$450$199
Release20162015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours (without GPS)1 day7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128320 x 320240 x 240454 x 454
Sizen/a1.36 inches1.32 inches1.2 inches1.39 inches
Touchn/a
TypeOLEDCapacitative TFTLCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX75 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSBuild-in
Apps
Music

All Wearables