Pebble Time Steel vs. Polar M400 vs. Garmin Vivosmart HR vs. Sony SmartBand 2 vs. Garmin VivoActive 4

 
Time Steel
M400
Vivosmart HR
SmartBand 2
VivoActive 4
 PebbleTime SteelRemove Buy NowPolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowSonySmartBand 2Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$200$170$130$349
Release20152014201520152019

Activity & Fitness

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

Battery

Duration10 days8 hours to 30 days5 days2 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/a160 x 68n/a260 x 260
Size1.26 inchesn/a1.08 inchesn/a1.3ionches
Touchn/a
Typee-papern/an/an/aMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/an/aWear OS
Apps
Music

All Wearables