Ivy-Bridge
Ivy Bridge is Intel’s processor generation associated with its first 22 nm Tri-Gate products. The code name describes a product and microarchitecture family rather than a general transistor structure. Intel’s April 2012 third-generation Core launch documentation provides a dated commercial reference. Server, desktop, and mobile variants have different configurations and should be identified individually.
The manufacturing transition used a raised fin controlled by a multi-surface gate. Intel had publicly described the approach in May 2011 before the processor launch. That sequence distinguishes technology disclosure from product availability. The fin-based device improved channel control while introducing new requirements for geometry uniformity, contacts, and circuit sizing.
A processor’s performance comes from more than the transistor platform. Execution resources, caches, memory access, graphics, and software behavior influence application runtime. A process improvement can enable different frequency and energy choices without producing one universal speedup. A useful comparison specifies the processor model, operating conditions, and workload.
The family also illustrates increasing integration of system functions. CPU execution and graphics share a package-level and memory environment, while platform interfaces connect to external devices. Simultaneous activity can create bandwidth and power constraints. The complete computer therefore determines how much of the chip’s capability an application can use.
Its historical importance is the connection between a new device form and a widely deployed computing platform. A working research transistor alone does not establish the verification, yield, reliability, and software support needed for a processor. Ivy Bridge brought those disciplines together around Intel’s 22 nm implementation. Exact model specifications remain necessary when attributing individual features.
Sources and further reading. [Intel third-generation Core launch facts, April 2012](https://download.intel.com/newsroom/kits/core/3rdgen/pdfs/3rd_Generation_Intel_Core_Product_Information.pdf); [Intel Tri-Gate announcement](https://www.intc.com/news-events/press-releases/detail/655/intel-reinvents-transistors-using-new-3-d-structure).
Read Ivy Bridge as a processor generation that brought Intel’s 22 nm fin-based Tri-Gate manufacturing into a complete computing platform.