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If we compare the RAD750 against the 5nm Apple A1, the newer chip has about 1660 times as many transistors per mm^2. Minimum feature size (ie. line widths) may
by wtallis 6y ago
If we compare the RAD750 against the 5nm Apple A1, the newer chip has about 1660 times as many transistors per mm^2. Minimum feature size (ie. line widths) may not have kept pace with the nanometer-based fab node names, but transistor sizes definitely have.
- mlyle 6y agoEh. Don't compare the RAD 750. It's better to compare something that's not domain specific and rad hard. Compare the PPC 740, which was ~300,000 transistors/mm^2 at 260nm. Apple M1 is ~130,000,000 transistors/mm^2 at 5nm. (260/5)^2 =~ 2700x, but the actual difference is ~430x. So it's not as bad as line widths, but it still isn't quite keeping pace.