Pebble Steel vs. Polar Loop 2 vs. Diesel On Full Guard 2.5 vs. Garmin Vivosmart 4 vs. Amazfit GTS

 
Steel
Loop 2
On Full Guard 2.5
Vivosmart 4
GTS
 PebbleSteelRemove Buy NowPolarLoop 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$120$325$130$150
Release20142015201820182019

Activity & Fitness

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

Battery

Duration5-7 days8 days (without notifications)4 days7 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a454x45448 x 128348 x 442
Size1.26 inchesn/a1.39 inches0.74 inches1.65 inches
Touch
Typee-paperLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSWear OS
Apps
Music

All Wearables