Polar M400 vs. Sony SmartBand Talk vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Apple Watch Series 5

 
M400
SmartBand Talk
Forerunner 235
Flex
Watch Series 5
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$200$170$299.99$100$329
Release20142014201720132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 days9 days5 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128215 x 180NA384 x 480
Sizen/a1.4 inches1.23 inchesNA1.78 Inches
TouchNA
Typen/aE InkMIPLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWatchOS 5
Apps
Music

All Wearables