Intel's 6-core "Coffee Lake" die was essentially a "Kaby Lake" die with two extra cores, and no physical changes to other components, such as iGPU or uncore. With its new 8-core "Coffee Lake" Refresh silicon, Intel has turned its attention to not just increasing the core-count, but also improving the processor's integrated memory controller, in addition to
hardware fixes to certain security vulnerabilities. The 128-bit wide (dual-channel) integrated memory controller now supports up to 128 GB of memory. Intel's current DDR4-capable mainstream desktop processors only support up to 64 GB, as do rival AMD's Ryzen socket AM4 processors.
Support for up to 128 GB explains emergence of off-spec memory standards such as ASUS'
Double Capacity (DC) DIMMs. Samsung
is ready with a JEDEC-compliant 32 GB dual-rank UDIMM memory module for client platforms. Introduction of 32 GB UDIMMs also come amidst reports of DRAM
pricing cool-off through 2019, which could make 32 GB dual-channel memory kits consisting of two 16 GB UDIMMs more affordable. The increase in maximum memory amount could also indicate Intel's seriousness to introduce 3D Xpoint-based Optane Persistent Memory modules as alternatives to DRAM-based main memory, with higher capacities compensating for worse latencies and data-rates compared to DRAM.
Originally Posted by TechPowerUp | Posted: 18 October 2018
Intel's 6-core "Coffee Lake" die was essentially a "Kaby Lake" die with two extra cores, and no physical changes to other components, such as iGPU or uncore. With its new 8-core "Coffee Lake" Refresh silicon, Intel has turned its attention to not just increasing the core-count, but also improving the processor's integrated memory controller, in addition to hardware fixes to certain security vulnerabilities. The 128-bit wide (dual-channel) integrated memory controller now supports up to 128 GB of memory. Intel's current DDR4-capable mainstream desktop processors only support up to 64 GB, as do rival AMD's Ryzen socket AM4 processors.
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