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GuuD | 11 months ago

Bandwidth/GPU real estate in terms of area. Biggest GDDR7 chips are 3GB 32-bit, it has 512bit wide bus. And even this is going to moonlight as a space heater

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codedokode|11 months ago

Why Apple packs something like 64 Gb on the CPU chip and NVIDIA cannot?

bryanlarsen|11 months ago

Apple uses LPDDR4 which comes in densities of up to 16Gb AFAICT. So they can have ~5X as much memory using the same bus width.

wmf|11 months ago

LPDDR dies can stack but GDDR cannot?