Polar M400 vs. Samsung Gear S3 vs. Amazfit Cor vs. Garmin Forerunner 235 vs. Garmin Instinct

 
M400
Gear S3
Cor
Forerunner 235
Instinct
 PolarM400Remove Buy NowSamsungGear S3Remove Buy NowAmazfitCorRemove Buy NowGarminForerunner 235Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$200$350$79.99$299.99$300
Release20142016201820172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days12 days9 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a360 x 36080 x 160215 x 180128 x 128
Sizen/a1.3 inches1.23 inches1.23 inches0.9 inches
Touch
Typen/aFullcolor AODIPS LCDMIPOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen
Apps
Music

All Wearables