Fitbit Flex 2 vs. Amazfit Arc vs. Samsung Gear 2 vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Flex 2
Arc
Gear 2
Forerunner 45
T-Rex
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowSamsungGear 2Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$69.99$300$199$140
Release20162016201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days20 days2-3 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40320 x 320208 x 208360 x 360
Sizen/a0.42 inches1.63 inches1.04 inches1.3 inches
Touchn/a
TypeLEDOLEDSuper AMOLEDLCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67IP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSBuilt-inBuild-in
Apps
Music

All Wearables