Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Samsung Gear S2 vs. Fitbit Alta vs. Samsung Gear 2

 
Moto 360 (2nd Gen)
M400
Gear S2
Alta
Gear 2
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowSamsungGear 2Remove Buy Now

Basic Info

Suggested Price$300$200$300$130$300
Release20152014201520162014

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days2-3 days5 days2-3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a360 x 360n/a320 x 320
Size1.37 inches or 1.56 inchesn/a1.2 inchesn/a1.63 inches
Touchn/a
TypeLCDn/aSuper AMOLEDOLEDSuper AMOLED

Functions

Audio SpeakerBluetoothAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIP68n/aIP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aTizenn/aTizen OS
Apps
Musicn/a

All Wearables