Polar M400 vs. Sony SmartBand Talk vs. Apple Watch Series 2 vs. Samsung Galaxy Watch vs. Apple Watch Ultra

 
M400
SmartBand Talk
Watch Series 2
Galaxy Watch
Watch Ultra
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowAppleWatch Series 2Remove Buy NowSamsungGalaxy WatchRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$200$170$269$330$799
Release20142014201620182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 days18 hours7 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128340 x 272 or 390 x 312360 x 360502x410 pixels
Sizen/a1.4 inches1.5 inches or 1.65 inches1.2 inches or 1.3 inches1.92 inches
Touch
Typen/aE InkAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWatch OSTizen OSWatchOS 9
Apps
MusicSpotify

All Wearables