Polar Loop 2 vs. Xiaomi Mi Band 3 vs. Garmin Forerunner 45 vs. Apple SE

 
Loop 2
Mi Band 3
Forerunner 45
SE
 PolarLoop 2Remove Buy NowXiaomiMi Band 3Remove Buy NowGarminForerunner 45Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$120$44.95$199$279
Release2015201820192020

Activity & Fitness

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

Battery

Duration8 days (without notifications)20 days7 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 80208 x 208384 x 480
Sizen/a0.78 inches1.04 inches40mm
Touch
TypeLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance2 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inWatchOS 5
Apps
Music

All Wearables