I never check my ram usage when i am browsing and install another buold to compare, there will be plenty of improvements and less better improvements, i just told in short what the relation to the two releases were.
As Enthusiast says, IoT Enterprise only gets certain releases. Coincidentally, MS released IoT Enterprise 26H2 ISOs (en-us only) to Embedded OEMs earlier this evening, along with an updated 26H2 ADK...