Polar V800 vs. TomTom Adventurer vs. Withings Pulse Ox vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Xiaomi Mi Band 4

 
V800
Adventurer
Pulse Ox
Grayson
Grayson
Mi Band 4
 PolarV800Remove Buy NowTomTomAdventurerRemove Buy NowWithingsPulse OxRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$470$350$120$350$350$25
Release201420162014201820182019

Activity & Fitness

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

Battery

Duration13 hours to 30 daysn/a2 weeks24 hours24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorblue
Resolutionn/an/a128 x 32453 x 454453x454120x240
Sizen/an/an/a1.39 inches1.39 inches0.95 inches
TouchSwipe
Typen/an/aOLEDAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aAndroid WearAndroid WearAMAZFIT OS
Apps
Music

All Wearables