Scotten nailed it. The nm rating has become meaningless, like GHz on CPUs in the Pentium era. Time to rethink what is important, not just track the marketing spin of the chip companies. This is analysis, not marketing, right?
In DRAM the size of the bit cell is the bottom line. It is interesting to know they nearly halved the size of the bit cell by tweaking all the margins and barely reducing the feature width. This tells us two things: it really should be a more cost effective chip, and Wow they are struggling to make DRAM smaller in any fundamental way.
It will be interesting to see what the 8Gb chip looks like. Bigger die maybe? Maybe improve the ratio of the chip area which is used for memory cells?
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