Fitbit Flex 2 vs. Huawei Watch 2 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex vs. Apple Watch Ultra

 
Flex 2
Watch 2
On Full Guard 2.5
T-Rex
Watch Ultra
 FitbitFlex 2Remove Buy NowHuaweiWatch 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$350$325$140$799
Release20162017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4 days20 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a480 x 480454x454360 x 360502x410 pixels
Sizen/a1.38 inches1.39 inches1.3 inches1.92 inches
Touchn/a
TypeLEDP-OLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP683 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSBuild-inWatchOS 9
Apps
Music

All Wearables