Fitbit Blaze vs. Casio WSD-F20A vs. Garmin Vivosmart 4 vs. Amazfit T-Rex vs. Apple Watch Ultra

 
Blaze
WSD-F20A
Vivosmart 4
T-Rex
Watch Ultra
 FitbitBlazeRemove Buy NowCasioWSD-F20ARemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$200$399$130$140$799
Release20162018201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days1 day7 days20 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhonePartial
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 32048 x 128360 x 360502x410 pixels
Sizen/a1.32 inches0.74 inches1.3 inches1.92 inches
Touch
TypeLCDLCDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-inWatchOS 9
Apps
Music

All Wearables