Polar M400 vs. Withings Activite Sapphire vs. Microsoft Band 2 vs. Misfit Ray vs. Apple Watch Ultra

 
M400
Activite Sapphire
Band 2
Ray
Watch Ultra
 PolarM400Remove Buy NowWithingsActivite SapphireRemove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$200$450$250$100$799
Release20142014201520162022

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months48 hours (without GPS)6 months36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 128n/a502x410 pixels
Sizen/a1.3 inches1.36 inchesn/a1.92 inches
Touchn/a
Typen/aAnalogCapacitative TFTLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIPX75 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/aWatchOS 9
Apps
Music

All Wearables