Polar M400 vs. Sony SmartBand Talk vs. Garmin Forerunner 935 vs. Garmin Forerunner 235 vs. Apple Watch 7

 
M400
SmartBand Talk
Forerunner 935
Forerunner 235
Watch 7
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowGarminForerunner 935Remove Buy NowGarminForerunner 235Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$170$500$299.99$429
Release20142014201720172021

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 daysUp to 2 weeks9 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 128240 x 240215 x 180396 x 484
Sizen/a1.4 inches1.2 inches1.23 inches1.9 inches
Touch
Typen/aE InkLCDMIPMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWatchOS 8
Apps
Music

All Wearables