Apple Watch Series 3 vs. Polar M400 vs. Microsoft Band 2 vs. Fitbit Ionic vs. Diesel On Full Guard

 
Watch Series 3
M400
Band 2
Ionic
On Full Guard
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowFitbitIonicRemove Buy NowDieselOn Full GuardRemove Buy Now

Basic Info

Suggested Price$329$200$250$299$325
Release20172014201520172017

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days48 hours (without GPS)4+ days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 128348x250454 x 454
Size1.5 inches or 1.65 inchesn/a1.36 inches1.421.4 inches
Touch
TypeAMOLEDn/aCapacitative TFTOLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIPX750mIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aFitbit OSAndroid Wear 2.0
Apps
Music

Wearables by Diesel

Diesel On Full Guard 2.5

All Wearables