Fitbit Flex 2 vs. Garmin Vivosmart vs. Amazfit Bip vs. Pebble Time 2 vs. Xiaomi Mi Band 4

 
Flex 2
Vivosmart
Bip
Time 2
Mi Band 4
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowAmazfitBipRemove Buy NowPebbleTime 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$100$170$99.99$199$25
Release20162014201820162019

Activity & Fitness

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

Battery

Duration5 days7 days30 days10 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16176 x 176NA120x240
Sizen/a1.41 inches1.28 inchesNA0.95 inches
Touchn/a
TypeLEDOLEDNAe-paperAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP683 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aPebble OSAMAZFIT OS
Apps
Music

All Wearables