Garmin Forerunner 225 vs. Polar M400 vs. Sony SmartBand 2 vs. Samsung Gear 2 vs. Xiaomi Mi Band

 
Forerunner 225
M400
SmartBand 2
Gear 2
Mi Band
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowSonySmartBand 2Remove Buy NowSamsungGear 2Remove Buy NowXiaomiMi BandRemove Buy Now

Basic Info

Suggested Price$300$200$130$300$15
Release20152014201520142015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
StepsNA
Swim

Battery

Duration10 hours to 4 weeks8 hours to 30 days2 days2-3 days30 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Macn/an/aNANA
Windowsn/an/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolution180 x 180n/an/a320 x 320NA
Size1 inchn/an/a1.63 inchesNA
Touchn/aNA
Typen/an/an/aSuper AMOLEDNA

Functions

Audio Speaker22Alerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP58IP67IP67

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aTizen OSNA
Appsn/a
Musicn/a

All Wearables