Diesel On Full Guard vs. Fitbit Flex vs. Amazfit GTS vs. Amazfit T-Rex vs. Apple Watch 7

 
On Full Guard
Flex
GTS
T-Rex
Watch 7
 DieselOn Full GuardRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$325$100$150$140$429
Release20172013201920192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days14 days20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution454 x 454NA348 x 442360 x 360396 x 484
Size1.4 inchesNA1.65 inches1.3 inches1.9 inches
TouchNA
TypeOMOLEDLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2.0NAWear OSBuild-inWatchOS 8
Apps
Music

All Wearables