Pebble Time Steel vs. Polar M400 vs. Garmin Vivosmart HR vs. Pebble Core vs. Garmin Vivosmart 4

 
Time Steel
M400
Vivosmart HR
Core
Vivosmart 4
 PebbleTime SteelRemove Buy NowPolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowPebbleCoreRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$200$170$99$130
Release20152014201520162018

Activity & Fitness

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

Battery

Duration10 days8 hours to 30 days5 daysNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a160 x 68NA48 x 128
Size1.26 inchesn/a1.08 inchesNA0.74 inches
TouchNA
Typee-papern/an/aNAOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/an/aNA
Apps
Music

All Wearables