Polar M400 vs. Sony SmartBand Talk vs. Fitbit Charge HR vs. Garmin Venu vs. Apple Watch 7

 
M400
SmartBand Talk
Charge HR
Venu
Watch 7
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowFitbitCharge HRRemove Buy NowGarminVenuRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$170$150$299$429
Release20142014201520192021

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 days5 days5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128NA390 x 390396 x 484
Sizen/a1.4 inchesNA1.2 inches1.9 inches
TouchNA
Typen/aE InkOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP681 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWear OS WatchOS 8
Apps
Music

All Wearables