Pebble Time Round vs. Pebble Time Steel vs. Polar M400 vs. Samsung Gear S2 vs. Samsung Galaxy Watch

 
Time Round
Time Steel
M400
Gear S2
Galaxy Watch
 PebbleTime RoundRemove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowSamsungGalaxy WatchRemove Buy Now

Basic Info

Suggested Price$200$250$200$300$330
Release20152015201420152018

Activity & Fitness

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

Battery

Duration2 days10 days8 hours to 30 days2-3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/aNA
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a168 x 144n/a360 x 360360 x 360
Sizeround1.26 inchesn/a1.2 inches1.2 inches or 1.3 inches
Touch
Typee-papere-papern/aSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM3 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/aTizenTizen OS
Apps
MusicSpotify

All Wearables