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For comparison, Nvidia's 96GB card uses GDDR7 for 1.8TB/sec bandwidth. This Huawei card is more in the league of an M4 Max bandwidth-wise.

Yes, similar to the slower M4 Max option. The Mac Studio with either M4 Max or M3 Ultra uses 8533 MT/s LPDDR5X.

Memory bandwidth for the M4 Max is 410 GB/s with the 32-core GPU or 546 GB/s with the 40-core GPU. It’s 819 GB/s in the M3 Ultra config.