Fitbit Alta vs. Xiaomi Mi Band 2 vs. Garmin 645 Music vs. Michael Kors Access Sofie vs. Fitbit Charge

 
Alta
Mi Band 2
645 Music
Access Sofie
Charge
 FitbitAltaRemove Buy NowXiaomiMi Band 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$130$23$450$395$130
Release20162016201820172014

Activity & Fitness

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

Battery

Duration5 days20 hours7 days1 day7-10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240390 x 390 1.19 inchesNA
Sizen/a0.42 inches1.2 inchesNA
Touchn/aAMOLDEDNA
TypeOLEDOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NA
Apps
Music

All Wearables