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AMD Naples: 32C/64T, dual CPU = 64C/128T, 8-channel DDR4

AMD's upcoming Naples server CPU is a BEAST: 32C/64T, with over 19 billion transistors.

@anthony256
Published Thu, Mar 9 2017 9:31 PM CST   |   Updated Mon, Oct 19 2020 8:17 PM CDT

AMD launched its Ryzen CPU family - at least the high-end 8C/16T parts in the Ryzen 7 range, but the server CPU market is about to be disrupted by their upcoming Naples CPU family.

Naples is a massively scalable 32C/64T system-on-chip (SoC) design, with support for two high-performance threads per core. We have 8-channel DDR4 support with room for 32 DIMMs on server boards, and so much more.

AMD Naples Features:

  • A highly scalable, 32-core System on Chip (SoC) design, with support for two high-performance threads per core
  • Industry-leading memory bandwidth, with 8-channels of memory per "Naples" device. In a 2-socket server, support for up to 32 DIMMS of DDR4 on 16 memory channels, delivering up to 4 terabytes of total memory capacity.
  • The processor is a complete SoC with fully integrated, high-speed I/O supporting 128 lanes of PCIe 3, negating the need for a separate chipset
  • A highly-optimized cache structure for high-performance, energy efficient compute
  • AMD Infinity Fabric coherent interconnect for two "Naples" CPUs in a 2-socket system
  • Dedicated security hardware

Naples = More EVERYTHING Than Competitor

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AMD is offering some massive improvements in Naples - not just in overall core count, but memory bandwidth, and I/O compared to the current slate of Intel Xeon processors.

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AMD is comparing its current Naples prototype with 2 x 32C/64T CPUs for a total of 64C/128T (!!!) against Intel's current 88-threaded (44C/88T) Xeon E5-2699A V4 processor. Intel loses here with total memory channels, total memory capacity, RAM frequency, and even the total PCIe 3.0 lanes available.

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Naples will also see huge workload speeds, with a 1 billion sample grid with 10 iterations being 2x faster on Naples - at just 18 seconds, compared to 35 seconds. AMD even knocked down its core count to 44 cores to compete directly against Intel's 44-core Xeon processor - and still beat it, in a big way.

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When the full 64C/128T is enabled on Naples with the DDR4 clocked at 2400MHz (instead of the 1866MHz on the Xeon CPU setup) - Naples is then 2.5x faster at just 14 seconds (18 seconds on the 44C run with Naples) compared to the 35-second run on Intel's current 44C/88T chip.

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When AMD bumped up the load to 4 billion sample gr id with 10 iterations - the Naples CPU took 64 seconds with its full 64C/128T processor taking 54 seconds - while Intel's processor errored with 'insufficient memory to load' the dataset.

128 PCIe 3.0 Lanes: 32 x NVMe Devices + 4 x GPUs

AMD's next-gen Naples platform will allow for a massive 128 PCIe 3.0 lanes, which will support 32 x NVMe devices and 4 x GPUs in a 1U rack, sporting 2 x InfiniBand EDR interconnects for some insane transfer rates between storage, and server systems.

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Better yet, the 2U rack can take 26 x NVMe devices + 8 x GPUs for some rather serious number crunching.

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Naples: 8-channel DDR4 Support

AMD is upping its game in every area of the server CPU market with Naples, so not only do we have 32C/64T processors - that in dual-CPU boards will push 64C/128T (!!!) but we'll have 8-channel DDR4 RAM support.

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This means that each rakc can support 2 x DDR4 DIMMs, with a total of 16 x DIMMs across the 8 channels. 2P servers can take 32 x DDR4 DIMMs, housing up to 4TB of RAM with 170GB/sec memory bandwidth.

Naples-powered racks will be optimized for massive workloads in HPC environments, with molecular dynamics, rendering, graphics, data analytics, and so much more.

Naples + Radeon Instinct = Unstoppable

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AMD unveiled its next-gen Radeon Instinct graphics accelerators late last year during its event in Sonoma, California - but now a 2-socket Naples solution can be seen as a truly next-gen server option with 64C/128T of CPU performance and 4 x Radeon Instinct graphics cards based on the Vega GPU architecture for some serious power.

Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering.

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