Not content with Exchange you get Hafnium in the RAM chips now
Samsung has unveiled its first DDR5 DRAM based on a High-K/Metal Gate (HKMG) process, debuting with a 512GB module aimed at the high-performance computing and AI markets. The DDR5 spec, which was finalised in mid-2020, allows for significantly higher capacity DIMMs and larger bandwidth than its predecessor. Samsung claimed its …
I don't think this will help much I'm afraid. As far as I understand the M1 memory is already TSV 4 Hi (8Gb or 16Gb) and this is then package-over-package onto the M1 itself. ie 2 packages of 4Hi stacks - albeit DDR4 interface.
I guess they could move it to 8-Hi 16Gb like this to give 32GB, but I suspect costs might become prohibitive in terms of 8 stack yields ?