Sony SmartWatch 3 vs. Microsoft Band 2 vs. Xiaomi Mi Band 2 vs. Garmin 645 Music vs. Fitbit Alta HR

 
SmartWatch 3
Band 2
Mi Band 2
645 Music
Alta HR
 SonySmartWatch 3Remove Buy NowMicrosoftBand 2Remove Buy NowXiaomiMi Band 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$250$250$23$450$150
Release20142015201620182017

Activity & Fitness

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

Battery

Duration2 days48 hours (without GPS)20 hours7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 128n/a240 x 240128 x 36
Size1.6 inches1.36 inches0.42 inches1.2 inches1.4 inches
Touch
TypeTFT LCDCapacitative TFTOLEDMIPOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IPX7IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/a
Apps
Music

All Wearables