Elon Musk
@elonmusk · Sep 15, 2025
in Texas will make AI6, not AI5, and the decision regarding using HBM has not been made yet.
As the ratio of total parameters to active (frequently used) parameters increases, the cost per unit of useful compute and compute per Watt may favor relatively conventional R
Elon Musk
@elonmusk
You can fit more total RAM on the board if you use “normal” memory than high-bandwidth memory and it is super cheap.
Maybe high-bandwidth memory is still the right choice, but using HBM isn’t the slam dunk many people think it is.
07:06 AM · September 15, 2025 · 116.6K views
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