Amazfit Stratos vs. Fitbit Flex vs. Apple Watch Series 5 vs. Amazfit GTR vs. Amazfit T-Rex

 
Stratos
Flex
Watch Series 5
GTR
T-Rex
 AmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$199$100$329$199$140
Release20182013201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNot Yet24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300NA384 x 480454 x 454360 x 360
Size1.34 inchesNA1.78 Inches1.39 inches1.3 inches
TouchNA
TypeOLEDLEDMicroLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNot Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryNAWatchOS 5Build-inBuild-in
Apps
Music

All Wearables