Fitbit One vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Amazfit GTR vs. Apple Watch 7

 
One
Watch Series 2
ZenWatch 3
GTR
Watch 7
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitGTRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$269$229$199$429
Release20122016201720192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hours48 hours24 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400454 x 454396 x 484
Sizen/a1.5 inches or 1.65 inches1.39 inches1.39 inches1.9 inches
Touch
TypeOLEDAMOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Build-inWatchOS 8
Apps
Music

All Wearables