Polar Loop 2 vs. Amazfit Stratos vs. Samsung Galaxy Watch vs. Garmin Vivofit 4 vs. Diesel On Full Guard 2.5

 
Loop 2
Stratos
Galaxy Watch
Vivofit 4
On Full Guard 2.5
 PolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowSamsungGalaxy WatchRemove Buy NowGarminVivofit 4Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$120$199$330$79.95$325
Release20152018201820182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days7 days1 year4 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300360 x 36088 x 88454x454
Sizen/a1.34 inches1.2 inches or 1.3 inchesNA1.39 inches
Touch
TypeLEDOLEDAMOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryTizen OSWear OS
Apps
MusicSpotify

Wearables by Diesel

Diesel On Full Guard

All Wearables