Sony SmartBand 2 vs. Pebble Core vs. Polar Loop vs. Garmin Forerunner 45 vs. Xiaomi Mi Band 4

 
SmartBand 2
Core
Loop
Forerunner 45
Mi Band 4
 SonySmartBand 2Remove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$130$99$100$199$25
Release20152016201320192019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration2 daysNA5 days7 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNANA208 x 208120x240
Sizen/aNANA1.04 inches0.95 inches
Touchn/aNA
Typen/aNALEDLCDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP58NA2 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANABuilt-inAMAZFIT OS
Apps
Music

All Wearables