Samsung Gear S vs. Samsung Gear S2 vs. Sony SmartBand 2 vs. Casio G-Shock GBA800 vs. Xiaomi Mi Band 4

 
Gear S
Gear S2
SmartBand 2
G-Shock GBA800
Mi Band 4
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowSonySmartBand 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$300$130$120$25
Release20132015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days2 days2 years20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution480 x 360360 x 360n/a120x240
Size2 inches1.2 inchesn/a0.95 inches
Touchn/a
TypeSuper AMOLEDSuper AMOLEDn/aAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68IP5820 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenn/aAMAZFIT OS
Apps
Music

All Wearables