IBM Says It Has Created The World's First Sub-1 Nanometer Chip
The company's new "nanostack" architecture could lead to far more efficient chips
IBM claims it has delivered a step change in chip technology after creating the world's first sub-1 nanometer (nm) chip.
Building on the "nanosheet" architecture the company used in 2021 create a 2nm chip, IBM says its new "nanostack" design allowed it go even further and make a functioning 7 angstrom (or 0.7nm) chip. The result is a piece of silicon with twice the density of its previous 2nm design, packing nearly 100 billion transistors into a chip the size of a human fingernail. In practical terms, IBM says those additional transistors translate to a chip that offers either a "up to 50 percent more performance, or 70 percent greater energy efficiency than IBM's 2 nm node chips."
Jay Gambetta, director of IBM Research, said the new architecture would enable "a future where computing becomes significantly more...
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