Polar Loop 2 vs. Garmin Fenix 5X vs. Fitbit Alta HR vs. Apple Watch Series 4 vs. HTC re Grip

 
Loop 2
Fenix 5X
Alta HR
Watch Series 4
re Grip
 PolarLoop 2Remove Buy NowGarminFenix 5XRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$699$150$329$199
Release20152017201720182020

Activity & Fitness

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

Battery

Duration8 days (without notifications)Up to 12 days7 daysNot Yet5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x240128 x 36384 x 480160 x 32
Sizen/a1.2 inches1.4 inches1.78 inches1.8 inches
Touch
TypeLEDNAOLEDMicroLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM10 ATMNot YetIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5NA
Apps
Music

All Wearables