Could be anything, derivates could mean PC mobile parts, APUs, consoles. He was vague enough to not mean anything.
Could also mean ps5 cache coherency and cache scrubbers give some of the infinity cache benefits and neither console has it.
Could be one or both consoles has L1 infinity cache but not a big L2 cache.
Or both do. Take your pick. Wish I knew.
YOU SHUT YOUR DIRTY FACE< ITS MEANS ITS ON THE PS5, IF it's NOT I AM DOING A DRIVE BY.