Pebble Time 2 vs. Fitbit Alta HR vs. Fitbit Flex vs. Pebble Core vs. Xiaomi Mi Band 4

 
Time 2
Alta HR
Flex
Core
Mi Band 4
 PebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$199$150$100$99$25
Release20162017201320162019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration10 days7 days5 daysNA20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA128 x 36NANA120x240
SizeNA1.4 inchesNANA0.95 inches
TouchNANA
Typee-paperOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSNANAAMAZFIT OS
Apps
Music

All Wearables