It's no secret that nearly all Intel Core processors are carved out of essentially one or two physical dies, be it the "2M" die that physically features four cores and 8 MB of L3 cache, or the "1M" die, which physically features two cores and 4 MB of L3 cache. The two silicons are further graded for energy-efficiency and performance before being assigned a package most suited to them: desktop LGA, mobile PGA, mobile BGA, and with the introduction of the 4th generation Core "Haswell," SoC (system on chip, a package that's going to be a multi-chip module of the CPU and PCH dies). The SoC package will be designed to conserve PCB real-estate, and will be suited for extremely size-sensitive devices such as Ultrabooks.

The third kind of grading for the two silicons relates to its on-die graphics processor, which makes up over a third of the die area. Depending on the number of programmable shaders and ROPs unlocked, there are two grades: GT2, and GT3, with GT3 being the most powerful. On the desktop front (identified by silicon extension "-DT,") Intel very much will retain dual-core processors, which will make up its Core i3, Pentium, and Celeron processor lines. It will be lead by quad-core parts. All desktop processors feature the GT2 graphics core.

The processor-motherboard combination as PC enthusiasts know it could end, with Intel LGA1150 processors under the "Haswell" micro-architecture, likely to becoming the last client processors to ship in the retail channel (processor-in-box). Future Intel client processors, codenamed "Broadwell" could ship only in BGA (ball-grid array) packages, with existing motherboard vendors selling their products with processors permanently soldered onto them. The information comes from Japanese PC Watch, which cites sources in the PC industry.

With a compacted socket-processor launch cycle that spans nearly 2 years under the company's "tick-tock" product strategy, the scope for processor updates in the client computing industry might be lower than what it was in the LGA775 days. Perhaps statistics at Intel don't show a sizable proportion of people upgrading processors on existing motherboards, or upgrading motherboards while retaining the processor, rather buying a combination of the two, not to mention the fact that pre-built PCs outsell DIY assembled ones in major markets. With the processor being "tied" to the motherboard, Intel gets room to compact the platform further, combining processor and core logic completely into a single package. It's likely that Intel could still leave processor interchangeability to its HEDT (high-end desktop) platform, which sees processors start at $300, and motherboards at $200.

With the 14 nm "Broadwell" architecture, Intel will take a new step towards integration of the platform-controller hub (PCH) with the CPU, by designing it to be a multi-chip module (with the CPU+northbridge in one die, and PCH on the other). This would make "Broadwell" a true System-on-chip (SoC), which allows over 90 percent of the system's I/O to be routed to the processor socket, including memory, PCI-Express, SATA, USB, etc. Although not the first to the industry with single-chip chipsets and integrated memory controllers, Intel rapidly reshaped the arrangement between CPU and core-logic, over the past four years.

It began with transfer of memory controller from northbridge to CPU die (45 nm "Bloomfield"), and transfer of the entire northbridge to the CPU die (45 nm "Lynnfield"). The graphics northbridge transferred a little more gradually, first as multi-chip module with a separate CPU die (32 nm "Clarkdale"), then complete integration with the CPU die (32 nm "Sandy Bridge"). All through, the southbridge, or I/O controller hub (ICH) remained outside the CPU package, with the addition of a display output logic, it transformed into a "platform controller hub" (PCH), which is still just a glorified southbridge. Naturally then, such a drastic relocation of system components will warrant a socket change.