Fitbit Alta vs. Xiaomi Mi Band 2 vs. Garmin 645 Music vs. Fitbit Charge

 
Alta
Mi Band 2
645 Music
Charge
 FitbitAltaRemove Buy NowXiaomiMi Band 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$130$23$450$130
Release2016201620182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration5 days20 hours7 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240NA
Sizen/a0.42 inches1.2 inchesNA
Touchn/aNA
TypeOLEDOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables