Fitbit Flex 2 vs. Amazfit Arc vs. Garmin Forerunner 235 vs. Amazfit GTS vs. Amazfit T-Rex

 
Flex 2
Arc
Forerunner 235
GTS
T-Rex
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$69.99$299.99$150$140
Release20162016201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days9 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40215 x 180348 x 442360 x 360
Sizen/a0.42 inches1.23 inches1.65 inches1.3 inches
Touchn/a
TypeLEDOLEDMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables