Samsung Gear S2 vs. Xiaomi Mi Band 2 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Huawei Band 2

 
Gear S2
Mi Band 2
645 Music
Alta HR
Band 2
 SamsungGear S2Remove Buy NowXiaomiMi Band 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$300$23$450$150$69.99
Release20152016201820172017

Activity & Fitness

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

Battery

Duration2-3 days20 hours7 days7 days21 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a240 x 240128 x 36128 x 32
Size1.2 inches0.42 inches1.2 inches1.4 inches0.91 inches
Touch
TypeSuper AMOLEDOLEDMIPOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/a
Apps
Music

All Wearables