Fitbit Alta vs. Fitbit Flex 2 vs. Huawei Watch 2 vs. Apple Watch Series 5 vs. Amazfit T-Rex

 
Alta
Flex 2
Watch 2
Watch Series 5
T-Rex
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowHuaweiWatch 2Remove Buy NowAppleWatch Series 5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$100$350$329$140
Release20162016201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hoursNot Yet20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a480 x 480384 x 480360 x 360
Sizen/an/a1.38 inches1.78 Inches1.3 inches
Touchn/an/a
TypeOLEDLEDP-OLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP68Not Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2WatchOS 5Build-in
Apps
Music

All Wearables