Polar M400 vs. Samsung Gear S vs. Samsung Gear S2 vs. Polar M430 vs. Polar A370

 
M400
Gear S
Gear S2
M430
A370
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowPolarM430Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$250$300$255$179.95
Release20142013201520172017

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a2-3 days30 hoursUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360360 x 360128x128160 x 80
Sizen/a2 inches1.2 inches1.4 inch1.18 inches
Touch
Typen/aSuper AMOLEDSuper AMOLEDLCDTFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67IP68WR30WR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenTizen
Apps
Music

All Wearables