Polar M400 vs. Polar V800 vs. Huawei Talkband B2 vs. ASUS ZenWatch 3 vs. Apple Watch 7

 
M400
V800
Talkband B2
ZenWatch 3
Watch 7
 PolarM400Remove Buy NowPolarV800Remove Buy NowHuaweiTalkband B2Remove Buy NowASUSZenWatch 3Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$470$180$229$429
Release20142014201520172021

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days3 days48 hours18 Hours
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 88400 x 400396 x 484
Sizen/an/a0.73 inches1.39 inches1.9 inches
Touch
Typen/an/aPMOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts onlyAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP57water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2WatchOS 8
Apps
Music

All Wearables