03-22-2019, 07:44 AM
https://www.techpowerup.com/253929/intel...emory-mode
Quote:When reading through the Gen11 GT2 whitepaper by Intel, which describes their upcoming integrated graphics architecture, we may have found a groundbreaking piece of information that concerns the memory architecture of computers running 10 nm "Ice Lake" processors. The whitepaper mentions the chip to feature a 4x32-bit LPDDR4/DDR4 interface as opposed to the 2x64-bit LPDDR4/DDR4 interface of current-generation chips such as "Coffee Lake." This is strong evidence that Intel's new architecture will have unganged dual-channel memory controllers (2x 64-bit), as opposed to the monolithic 128-bit IMC found on current-generation chips.
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AMD has been supporting unganged dual-channel memory interfaces for over a decade now. The company's first Phenom processors introduced unganged memory with a BIOS option to force the CPU to interleave all data, called ganged mode. The consensus among the tech-community over the past ten years and the evolution of the modern processor toward more parallelism favors unganged mode. With CPU core counts heading north of 8 for mainstream-desktop processors, and integrated GPUs becoming the norm, it was natural for Intel to add support for an unganged memory interface.