Samsung Gear S vs. Samsung Gear S2 vs. Amazfit Bip vs. Casio WSD-F20A

 
Gear S
Gear S2
Bip
WSD-F20A
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowAmazfitBipRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$250$300$99.99$399
Release2013201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days30 days1 day
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
Resolution480 x 360360 x 360176 x 176320 x 320
Size2 inches1.2 inches1.28 inches1.32 inches
Touch
TypeSuper AMOLEDSuper AMOLEDNALCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68IP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenWear OS
Apps
Music

All Wearables