Garmin Vivosmart vs. Polar Loop 2 vs. Amazfit Stratos vs. Garmin 645 Music vs. Pebble Core

 
Vivosmart
Loop 2
Stratos
645 Music
Core
 GarminVivosmartRemove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$170$120$199$450$99
Release20142015201820182016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/an/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration7 days8 days (without notifications)5 days7 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 16n/a320 x 300240 x 240NA
Size1.41 inchesn/a1.34 inches1.2 inchesNA
TouchNA
TypeOLEDLEDOLEDMIPNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM5 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aProprietaryNA
Apps
Music

All Wearables