Samsung Gear S vs. Samsung Gear S2 vs. Withings Activite Sapphire vs. Polar M430 vs. Garmin Forerunner 235

 
Gear S
Gear S2
Activite Sapphire
M430
Forerunner 235
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowWithingsActivite SapphireRemove Buy NowPolarM430Remove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$250$300$450$255$299.99
Release20132015201420172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days8 months30 hours9 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

Color
Resolution480 x 360360 x 360n/a128x128215 x 180
Size2 inches1.2 inches1.3 inches1.4 inch1.23 inches
Touch
TypeSuper AMOLEDSuper AMOLEDAnalogLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP685 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenn/a
Apps
Music

All Wearables