AMD company unveiled new 5nm “Zen 4” desktop processors, Ryzen 7000 and AM5 DDR5 platform
AMD, Advanced Micro Devices today unveiled its desktop processors Ryzen 7000 next generation, based on the desktop platform Socket AM5. The new Ryzen 7000 series processors introduce the new microarchitecture “Zen 4”. L‘company (for more information on AMD click here) claims an increase in 15% single thread compared to “Zen 3” (processor prototype 16-core / 32-thread Zen 4 versus a Ryzen 9 5950X) .
Technical specifications | Ryzen 7000 and Zen 4 AMD
Other key architecture specs proposed by AMD include doubling the cache L2 per core a 1 MB, compared to 512 KB on all previous versions of “Zen”. Ryzen 7000 desktop CPUs will boost at frequencies above 5,5 GHz. Based on how AMD formulated its claims, it appears that the “+ 15%” number includes IPC gains, as well as higher clock gains, as well as what the transition from DDR4 a DDR5.
Zen 4 | Ryzen 7000 and Zen 4: AMD processors
With Zen 4, AMD introduces a new instruction set for accelerating AI computing. The transition toLGA1718 Socket AM5 allows AMD to use next generation I / O, including memory DDR5, e PCI-Express Gen 5both for the graphics card and for the slot M.2 NVMe connected to the CPU socket.
Just like Ryzen 3000 “Matisse” e Ryzen 5000 “Vermeer”the desktop processor Ryzen 7000 “Raphael” is a multi-chip module with up to two “Zen 4” CCDs (CPU cores) and a die I / O controller. CCDs are based on the manufacturing process of silicon to 5 nm, while the I / O die is based on the 6 nm process. A significant upgrade over previous generation I / O dies which were built to 12nm. The 5nm jump for the CCD allows AMD to cram up to 16 core “Zen 4” per socketall “high performance” cores.
Details | Ryzen 7000 and Zen 4: AMD processors
The “Zen 4” CPU core is larger, due to more machinery to achieve the IPC increase and new instruction sets. The cIOD contains a pleasant surprise: aiGPU based on RDNA2 graphics architecture. Most Ryzen 7000 processors will now include integrated graphics, just like desktop processors Intel Core.
The platform Socket AM5 can support up to 24 linee PCI-Express 5.0 from the processor. 16 of these are meant for graphics slots PCI-Express (PEG), while four of these go to an M.2 NVMe slot connected to the CPU. The processor is equipped with memory Dual channel DDR5 (four sub-channels), identical to “Alder Lake”. The AM5 socket maintains cooler compatibility with AM4.
The platform also offers up to 14 USB port 20 Gbpsincluding Type C. With integrated graphics now available on most processor models, motherboards will be equipped with up to four ports DisplayPort 2 o HDMI 2.1. The company will also standardize the solutions Wi-Fi 6E + Bluetooth WLAN developed in collaboration with MediaTek, moving motherboard designers away from Intel-produced WLAN solutions.
At its launch in the fall of 2022, AMD’s AM5 platform will ship with three motherboard chipset options. AMD X670 Extreme (X670E), AMD X670 e AMD B650. The X670 Extreme was likely made by repurposing the next generation 6nm cIOD die to function as a motherboard chipset. This means its 24 lanes PCIe Gen 5 work to build an “all Gen 5” motherboard platform. The X670 (not extreme), is most likely a renamed X570, which means you get up to 20 lanes PCIe Gen 4 dal chipset, while retaining PCIe Gen 5 PEG and NVMe connectivity attached to the CPU. The B650 chipset is designed to deliver PEG PCIe Gen 4NVMe connected to the Gen 5 CPU, and possibly Gen 3 connectivity from the chipset.
Below are major motherboard vendors who are ready with motherboard implementation Socket AM5. Among those presented by AMD we have: ASUS ROG Crosshair X670E Extreme, ASRock X670E Taichi, MSI MEG X670E ACE, GIGABYTE X670E AORUS Xtreme e BIOSTAR X670E Valkyrie.
AMD is working to introduce several platform-level innovations (such as Radeon RX 6000), which is based on the technology PCIe Resizable BAR by PCI-SIG. The new AMD Smart Access Storage technology is based on Microsoft DirectStorage. This adds knowledge of the AMD platform and optimization for AMD CPU and GPU architectures. DirectStorage allows direct transfers between a storage device and GPU memory, without data having to be routed through the CPU cores.
In terms of power delivery, Zen 4 uses the same voltage control interface ALL3 that we have seen introduced on the series Ryzen Mobile 6000. For desktop this means the ability to address a greater number of phases VRM and to process voltage variations.
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