Polar M400 vs. Sony SmartBand Talk vs. Garmin Forerunner 235 vs. MobVoi TicWatch Pro vs. Apple Watch Series 4

 
M400
SmartBand Talk
Forerunner 235
TicWatch Pro
Watch Series 4
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowGarminForerunner 235Remove Buy NowMobVoiTicWatch ProRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$200$170$299.99$300$329
Release20142014201720182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 days9 days30 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128215 x 180400 x 400384 x 480
Sizen/a1.4 inches1.23 inches1.4 inches1.78 inches
Touch
Typen/aE InkMIPOLED/FSTNMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATMIP68Not Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSWatch OS 5
Apps
Music

All Wearables