Fitbit Alta vs. Apple Watch Series 2 vs. Garmin Vivoactive 3 vs. Amazfit GTS vs. Amazfit T-Rex

 
Alta
Watch Series 2
Vivoactive 3
GTS
T-Rex
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowGarminVivoactive 3Remove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$269$299$150$140
Release20162016201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240348 x 442360 x 360
Sizen/a1.5 inches or 1.65 inches1.2 inches1.65 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWear OSBuild-in
Apps
Music

All Wearables