Polar M400 vs. Samsung Gear S vs. Fitbit One vs. Garmin Fenix 5X vs. Polar A370

 
M400
Gear S
One
Fenix 5X
A370
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowFitbitOneRemove Buy NowGarminFenix 5XRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$250$100$699$179.95
Release20142013201220172017

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a10-14 daysUp to 12 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360n/a240 x240160 x 80
Sizen/a2 inchesn/a1.2 inches1.18 inches
Touch
Typen/aSuper AMOLEDOLEDNATFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67Splast Resistant10 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/a
Apps
Music

All Wearables