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> They're too cheap to use differential signaling even on GDDR memory. Makes it quite impressive that they're able to push 20+ Gigabit/s/pin even in dual-sided
by formerly_proven 4y ago
> They're too cheap to use differential signaling even on GDDR memory.
Makes it quite impressive that they're able to push 20+ Gigabit/s/pin even in dual-sided / T-layouts (though that also uses PAM4). Of course, comparing historical GPU layouts it's pretty obvious how the RAM chips are creeping ever more closely to the GPU die - weird how that is.