Polar M400 vs. Diesel On Full Guard vs. Jawbone UP2 vs. Jawbone UP4 vs. Diesel On Full Guard 2.5

 
M400
On Full Guard
UP2
UP4
On Full Guard 2.5
 PolarM400Remove Buy NowDieselOn Full GuardRemove Buy NowJawboneUP2Remove Buy NowJawboneUP4Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$200$325$100$200$325
Release20142017201520152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day7 daysNA4 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x 454NANA454x454
Sizen/a1.4 inchesNANA1.39 inches
TouchNANA
Typen/aOMOLEDNANA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67Splash resistantNA3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NANAWear OS
Apps
MusicNA

All Wearables