Polar M400 vs. Microsoft Band 2 vs. Garmin 645 Music vs. Mobvoi TicWatch E vs. Apple Watch Ultra

 
M400
Band 2
645 Music
TicWatch E
Watch Ultra
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch ERemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$200$250$450$159$799
Release20142015201820172022

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)7 days1.5-2 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128240 x 240400 x 400502x410 pixels
Sizen/a1.36 inches1.2 inches1.4 inches1.92 inches
Touch
Typen/aCapacitative TFTMIPOLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATMIP6710 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0WatchOS 9
Apps
Music

All Wearables