Polar M400 vs. Microsoft Band 2 vs. Misfit Ray vs. Garmin Chronos vs. Apple Watch Series 4

 
M400
Band 2
Ray
Chronos
Watch Series 4
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowGarminChronosRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$200$250$100$1500$329
Release20142015201620182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)6 months8 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128n/a218 x 218384 x 480
Sizen/a1.36 inchesn/a1.2 inches1.78 inches
Touchn/a
Typen/aCapacitative TFTLEDMIPMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM10 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSWatch OS 5
Apps
Music

All Wearables