IBM Unveils NanoStack: 0.7nm Chip With 100 Billion Transistors

Thu Jun 25 2026 14:03:23 GMT+0000 (Coordinated Universal Time)

IBM announces a sub‑1nm chip design that packs 100 billion transistors onto a fingernail‑sized chip, a potential breakthrough for future computing power.

IBM has unveiled a new chip design—NanoStack—that could cram 100 billion transistors onto a surface the size of a fingernail. The architecture uses a 3D stack to achieve a 0.7nm effective gate length, outperforming IBM’s 2nm chip in speed and energy efficiency. While not ready for production yet, this breakthrough could redefine Moore’s Law and usher in more powerful, efficient devices.

IBM Unveils NanoStack: 0.7nm Chip With 100 Billion Transistors

IBM has announced a breakthrough chip design that packs 100 billion transistors onto a chip the size of a fingernail, a potential first for sub‑1nm technology.

The new “NanoStack” architecture uses a three‑dimensional layout, layering thin sheets of transistors over one another to achieve a 0.7nm effective gate length.

In lab tests, the prototype outperformed IBM’s own 2nm chips, delivering 50% higher speed and 70% better energy efficiency.

Experts say the design could redefine how chips are built, but scaling such densities will require advanced cooling and gate‑control techniques.

IBM’s NanoStack has been compared to a 100‑story skyscraper, far exceeding rivals like Samsung and Intel’s 30–50‑story 3D stacks.

The chip pushes the limits of Moore’s Law and could pave the way for smaller, smarter devices, from smartphones to data‑center servers.

Challenges remain in heat dissipation and leakage control as layers thin and transistors contract.

IBM will continue to refine the design over coming years, aiming to bring the breakthrough to commercial production within a decade.

The announcement highlights the relentless drive to squeeze more computing power into ever smaller silicon footprints.

Key Takeaway: IBM’s NanoStack could mark the first sub‑1nm chip node, offering unprecedented transistor density and energy efficiency, but significant engineering hurdles need to be cleared before commercialization.