ASUS ZenWatch 2 vs. Huawei Talkband B2 vs. Amazfit Stratos vs. Garmin 645 Music vs. Xiaomi Mi Band 4

 
ZenWatch 2
Talkband B2
Stratos
645 Music
Mi Band 4
 ASUSZenWatch 2Remove Buy NowHuaweiTalkband B2Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$180$199$450$25
Release20162015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a3 days5 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320128 x 88320 x 300240 x 240120x240
Size1.63 inches or 1.45 inch0.73 inches1.34 inches1.2 inches0.95 inches
Touch
TypeAMOLEDPMOLEDOLEDMIPAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP575 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aProprietaryAMAZFIT OS
Apps
Music

All Wearables