Fitbit Alta vs. Apple Watch Series 5 vs. Garmin Forerunner 45 vs. Amazfit GTS vs. Amazfit T-Rex

 
Alta
Watch Series 5
Forerunner 45
GTS
T-Rex
 FitbitAltaRemove Buy NowAppleWatch Series 5Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$329$199$150$140
Release20162019201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNot Yet7 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a384 x 480208 x 208348 x 442360 x 360
Sizen/a1.78 Inches1.04 inches1.65 inches1.3 inches
Touchn/a
TypeOLEDMicroLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aNot Yet5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatchOS 5Built-inWear OSBuild-in
Apps
Music

All Wearables