Intel Emerald Rapids Specifications Leaked Online

YuuKi AnS on Twitter has revealed information on Intel’s Emerald Rapids-codenamed 5th Gen Xeon Scalable CPU family. A mature “Intel 7” node will serve as the foundation for Intel’s Emerald Rapids-SP Xeon CPU family, claims the leak. Consider it as a second-generation “Intel 7” node, which would result in a marginally improved efficiency.

The Raptor Cove core architecture, an enhanced version of the Golden Cove core that will provide 5–10% IPC improvements over Golden Cove cores, is anticipated to be used by Emerald Rapids. Additionally, it will have up to 64 cores and 128 threads, a minor increase above the 56 cores and 112 threads found on Sapphire Rapids chips.

While Genoa and Bergamo will give up to 50% & 2x core/thread count increases over Emerald Rapids and be available in full volume by 2023, they will roughly match the current EPYC Milan & Rome core counts.

Intel
credit: wccftech

Intel Sapphire Rapids-SP will be able to provide drop-in compatibility for the Socket E (LGA 4677) thanks to the Eagle Stream ecosystem’s support for 125-350W TDP SKUs.

For greater computation and core density, the HPC and data centre segment will have a wide range of scalability choices, including 1S, 2S, 4S, 8S, and even more sockets (through xNC support).

  • Intel Data Streaming Accelerator
  • Intel QuickAssist Technology
  • Intel Dynamic Load Balancer
  • Intel Advanced Matrix Extensions
  • Intel In-Memory Analytics Accelerator

In addition, the platform will keep DDR5-4800 and offer faster DDR5-5600 (1DPC) (2DPC). The 8-channel DDR5 memory platform supports up to 16 DIMMs per socket and up to 24 Gb DRAM density. It supports up to two DIMMS per channel. Additionally, “Crystal Ridge 3.0” support for Crow Pass Persistent Memory is noted; however, with Optane being discontinued, this appears to no longer be the case. There will be four UPI 2.0 links operating at a faster x24 width speed allowing transfer rates of up to 20 GT/s.

For security, the platform will offer:

  • Intel Trust Domain Extensions
  • Intel SGX With Integrity
  • TME-MK – 128 Keys
  • Platform Firmware Resilience (PFR) with Peripheral Device Attestation
  • Hardware Enforced Execution Controls
  • Intel VT-Redirect Protection (Formerly HLAT)
  • Intel Control-Flow Enforcement Technology (CET)
  • VM Denial of Service Prevention

The Intel Emerald Rapids Xeon CPUs will include up to 80 Gen 5 PCIe lanes per CPU in addition to PCIe 4.0 lanes from the North Bridge when it comes to PCIe lanes. The platform will allow shared virtual memory & scalable IO virtualization in addition to x16, x8, x4, and x2 (Gen 4) bifurcation. 20 PCIe 3.0 lanes, 1G Ethernet for manageability, and an x8 DMI connection with PCIe 3.0 speeds are all features of the Emmitsburg PCH.

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