Polar M400 vs. TomTom Spark vs. Microsoft Band 2 vs. Apple Watch 8

 
M400
Spark
Band 2
Watch 8
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowMicrosoftBand 2Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$150$250$499
Release2014201520152022

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a48 hours (without GPS)18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 128340 x 272 or 390 x 312
Sizen/an/a1.36 inches1.5 inches or 1.65 inches
Touch
Typen/aLCDCapacitative TFTAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIPX75 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aWatchOS 9
Apps
Music

All Wearables