Fitbit Flex 2 vs. Garmin 645 Music vs. Mobvoi TicWatch E vs. Xiaomi Mi Band vs. Xiaomi Mi Band 4

 
Flex 2
645 Music
TicWatch E
Mi Band
Mi Band 4
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch ERemove Buy NowXiaomiMi BandRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$100$450$159$15$25
Release20162018201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1.5-2 days30 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a240 x 240400 x 400NA120x240
Sizen/a1.2 inches1.4 inchesNA0.95 inches
Touchn/aNA
TypeLEDMIPOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP67IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NAAMAZFIT OS
Apps
Music

All Wearables