Samsung Gear S2 vs. Withings Activite Sapphire vs. Fossil Q Reveler vs. Michael Kors Access Sofie HR vs. Xiaomi Mi Band 4

 
Gear S2
Activite Sapphire
Q Reveler
Access Sofie HR
Mi Band 4
 SamsungGear S2Remove Buy NowWithingsActivite SapphireRemove Buy NowFossilQ RevelerRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$300$450$125$395$25
Release20152014201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days8 months7 days2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/an/a390 x 390120x240
Size1.2 inches1.3 inchesn/a1.19 inches0.95 inches
Touchn/a
TypeSuper AMOLEDAnalogn/aOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATMIP670.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/aWear OSAMAZFIT OS
Apps
Music

All Wearables