Pebble Time vs. Polar M400 vs. Misfit Ray vs. Sony SmartBand 2 vs. Garmin Vivosmart 4

 
Time
M400
Ray
SmartBand 2
Vivosmart 4
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowMisfitRayRemove Buy NowSonySmartBand 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$200$100$130$130
Release20152014201620152018

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days6 months2 days7 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/an/a
Resolution168 x 144n/an/an/a48 x 128
Size1.26 inchesn/an/an/a0.74 inches
Touchn/an/a
Typee-papern/aLEDn/aOLED

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/a
Apps
Music

All Wearables