These 3-D transistors are in-production technology and are expected to be used in handhelds as well as servers. The 3-D transistors will be the crux of a range of 22 nanometer processors—code named Ivy Bridge. Ivy Bridge will be ready for production at the end of the year.
These 3-D-based chips will first hit servers, desktops and laptops; Atom-based products will come later. Intel didn’t detail exact delivery targets, but later this year is likely. The company said it expects it will have a three-year lead on rivals.
Intel first detailed 3-D transistors in 2002, and now these chips will hit the market. The general idea is to pack more computing cycles with lower power. For Intel, which demonstrated a 22nm chip, 3-D chips will allow it to move into more markets such as cars, medical devices and other devices.
Intel likened the Tri-Gate transistors to skyscrapers, which allowed developers to optimize space by moving upward.
Among the key points:
- 3-D Tri-Gate transistors will operate at lower voltage with less leakage. The upshot is that performance will improve.
- Chip designers will be able to pick fins and choose transistors for low power or performance.
- 22nm Tri-Gate transistors will use less than half the power at the same performance as 2-D 32nm chips.
- These 3-D transistors have a 10x lower depletion rate.
- Applied to a CPU, you can have a lower clock rate with the same performance as higher speeds.
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