Polar Loop 2 vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Samsung Gear 2 vs. Apple Watch Series 4

 
Loop 2
Watch Series 2
ZenWatch 3
Gear 2
Watch Series 4
 PolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowSamsungGear 2Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$120$269$229$300$329
Release20152016201720142018

Activity & Fitness

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

Battery

Duration8 days (without notifications)18 hours48 hours2-3 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400320 x 320384 x 480
Sizen/a1.5 inches or 1.65 inches1.39 inches1.63 inches1.78 inches
Touch
TypeLEDAMOLEDAMOLEDSuper AMOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5ATMIP67Not Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Tizen OSWatch OS 5
Apps
Music

All Wearables