Polar M400 vs. Sony SmartBand Talk vs. Garmin Forerunner 45 vs. Apple SE

 
M400
SmartBand Talk
Forerunner 45
SE
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowGarminForerunner 45Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$170$199$279
Release2014201420192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 days7 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128208 x 208384 x 480
Sizen/a1.4 inches1.04 inches40mm
Touch
Typen/aE InkLCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance3 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearBuilt-inWatchOS 5
Apps
Music

All Wearables