Polar V800 vs. Polar Loop 2 vs. Garmin Vivosmart HR Plus vs. Xiaomi Mi Band 4 vs. Apple Watch 7

 
V800
Loop 2
Vivosmart HR Plus
Mi Band 4
Watch 7
 PolarV800Remove Buy NowPolarLoop 2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowXiaomiMi Band 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$470$120$179$25$429
Release20142015201720192021

Activity & Fitness

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

Battery

Duration13 hours to 30 days8 days (without notifications)5 days20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a160 x 68120x240396 x 484
Sizen/an/a0.5 inches x 0.8 inches0.95 inches1.9 inches
Touch
Typen/aLEDLCDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAAMAZFIT OSWatchOS 8
Apps
Music

All Wearables