Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Fitbit Alta vs. Fitbit Flex 2 vs. Amazfit Pace

 
Moto 360 (2nd Gen)
M400
Alta
Flex 2
Pace
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitPaceRemove Buy Now

Basic Info

Suggested Price$300$200$130$100$130
Release20152014201620162017

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days5 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 325 or 360 x 330n/an/an/a320 x 300
Size1.37 inches or 1.56 inchesn/an/an/a1.34 inches
Touchn/an/a
TypeLCDn/aOLEDLEDTFT LCD

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMn/a5 ATMIP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/an/aProprietary
Apps
Musicn/a

All Wearables