Motorola Moto 360 (2nd Gen) vs. Samsung Gear S2 vs. Fitbit Alta vs. Amazfit Arc vs. Apple Watch Series 4

 
Moto 360 (2nd Gen)
Gear S2
Alta
Arc
Watch Series 4
 MotorolaMoto 360 (2nd Gen)Remove Buy NowSamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowAmazfitArcRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$300$300$130$69.99$329
Release20152015201620162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days2-3 days5 days20 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330360 x 360n/a72 x40384 x 480
Size1.37 inches or 1.56 inches1.2 inchesn/a0.42 inches1.78 inches
Touchn/a
TypeLCDSuper AMOLEDOLEDOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68n/aIP67Not Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid WearTizenn/aWatch OS 5
Apps
Musicn/a

All Wearables