M5 Ultra reportedly links two fused dies at 4.4TB/s
MacObserver says bandwidth between M5 Ultra’s two halves is 3.6x higher than bandwidth to its own unified memory, and the chip scales to 512GB of memory.
TLDR
MacObserver reports that M5 Ultra joins two dies—individual pieces of silicon—with 4.4TB/s of bandwidth between them and scales to 512GB of memory. The publisher says bandwidth between the two halves is 3.6x higher than bandwidth to the chip’s own unified memory.
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