Samsung Gear S2 vs. Moov Now vs. Amazfit Arc vs. Fitbit Alta HR vs. Xiaomi Mi Band 4

 
Gear S2
Now
Arc
Alta HR
Mi Band 4
 SamsungGear S2Remove Buy NowMoovNowRemove Buy NowAmazfitArcRemove Buy NowFitbitAlta HRRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$300$79$69.99$150$25
Release20152015201620172019

Activity & Fitness

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

Battery

Duration2-3 days6 months20 days7 days20 days
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 360n/a72 x40128 x 36120x240
Size1.2 inchesn/a0.42 inches1.4 inches0.95 inches
Touchn/a
TypeSuper AMOLEDn/aOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIP68n/aIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aAMAZFIT OS
Apps
Music

All Wearables