Polar Loop 2 vs. Pebble Core vs. Fitbit Versa 2 vs. Xiaomi Mi Band 4 vs. HTC re Grip

 
Loop 2
Core
Versa 2
Mi Band 4
re Grip
 PolarLoop 2Remove Buy NowPebbleCoreRemove Buy NowFitbitVersa 2Remove Buy NowXiaomiMi Band 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$99$199$25$199
Release20152016201920192020

Activity & Fitness

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

Battery

Duration8 days (without notifications)NA5 days20 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA300 x 300120x240160 x 32
Sizen/aNA1.34 inches0.95 inches1.8 inches
TouchNA
TypeLEDNAAMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMNA5 ATM5 ATMIP57

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNABuild-inAMAZFIT OSNA
Apps
Music

All Wearables