Putting the blocks on one die cuts power and board space, which is why phones and cars use them, but it also means one foundry process has to serve every block at once. A customer that moves such a chip to a different node has to requalify the whole system, not just one part.
Awaiting gradingThe 12,800Mbps on CXMT's LPDDR6 is China's lithography limit written into a spec sheetScore by Oct 31, 2026 whether CXMT's LPDDR6 has entered mass production with a device announced, and at what speed. Staying around 12,800Mbps confirms the lithography-ceiling call; reaching 14,400Mbps refutes it. No announcement by then counts as a miss.