Fitbit One vs. Huawei Watch 2 vs. Garmin 645 Music vs. Fitbit Flex vs. Apple Watch Series 4

 
One
Watch 2
645 Music
Flex
Watch Series 4
 FitbitOneRemove Buy NowHuaweiWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$350$450$100$329
Release20122017201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days48 hours7 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480240 x 240NA384 x 480
Sizen/a1.38 inches1.2 inchesNA1.78 inches
TouchNA
TypeOLEDP-OLEDMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP685 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NAWatch OS 5
Apps
Music

All Wearables