Apple Watch vs. Fitbit Alta HR vs. Xiaomi Mi Band 4 vs. HTC re Grip

 
Watch
Alta HR
Mi Band 4
re Grip
 AppleWatchRemove Buy NowFitbitAlta HRRemove Buy NowXiaomiMi Band 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$349$150$25$199
Release2015201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 days20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312128 x 36120x240160 x 32
Size1.5 inches or 1.65 inches1.4 inches0.95 inches1.8 inches
Touch
TypeAMOLEDOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSAMAZFIT OSNA
Apps
Music

All Wearables