Apple Watch Series 2 vs. Diesel On Full Guard vs. Fitbit Flex vs. Amazfit GTR vs. Apple Watch 7

 
Watch Series 2
On Full Guard
Flex
GTR
Watch 7
 AppleWatch Series 2Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$269$325$100$199$429
Release20162017201320192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 day5 days24 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312454 x 454NA454 x 454396 x 484
Size1.5 inches or 1.65 inches1.4 inchesNA1.39 inches1.9 inches
TouchNA
TypeAMOLEDOMOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMIP671 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSAndroid Wear 2.0NABuild-inWatchOS 8
Apps
Music

All Wearables