Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Amazfit GTS vs. Apple Watch 8

 
Flex 2
ZenWatch 3
645 Music
GTS
Watch 8
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTSRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$229$450$150$499
Release20162017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours7 days14 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400240 x 240348 x 442340 x 272 or 390 x 312
Sizen/a1.39 inches1.2 inches1.65 inches1.5 inches or 1.65 inches
Touchn/a
TypeLEDAMOLEDMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSWatchOS 9
Apps
Music

All Wearables