Diesel On Full Guard vs. Samsung Gear 2 vs. Fitbit Charge 3 vs. Amazfit T-Rex vs. Apple Watch 7

 
On Full Guard
Gear 2
Charge 3
T-Rex
Watch 7
 DieselOn Full GuardRemove Buy NowSamsungGear 2Remove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$325$300$150$140$429
Release20172014201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration1 day2-3 days7 days20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution454 x 454320 x 32066 x 18360 x 360396 x 484
Size1.4 inches1.63 inches.721 inches1.3 inches1.9 inches
Touch
TypeOMOLEDSuper AMOLEDOLEDAMOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP675 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2.0Tizen OSNABuild-inWatchOS 8
Apps
Music

All Wearables