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.

1 Source, 20d ago, first seen 20d ago

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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