Polar Loop 2 vs. Sony SmartBand 2 vs. Amazfit Bip vs. Apple Watch 8

 
Loop 2
SmartBand 2
Bip
Watch 8
 PolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowAmazfitBipRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$120$130$99.99$499
Release2015201520182022

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 days30 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a176 x 176340 x 272 or 390 x 312
Sizen/an/a1.28 inches1.5 inches or 1.65 inches
Touchn/a
TypeLEDn/aNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP58IP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatchOS 9
Apps
Music

All Wearables