Apple Watch Series 3 vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Amazfit GTR vs. Apple Series 6

 
Watch Series 3
Flex 2
ZenWatch 3
GTR
Series 6
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$329$100$229$199$399
Release20172016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days48 hours24 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a400 x 400454 x 454384 x 480
Size1.5 inches or 1.65 inchesn/a1.39 inches1.39 inches40mm
Touchn/a
TypeAMOLEDLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aAndroid Wear 2Build-inWatchOS 5
Apps
Music

All Wearables