AMD Confirms Zen 4 Ryzen, EPYC CPUs Launching in 2022, Next-Gen 3D V-Cache Stack Chiplet Design

AMD’s next generation 7nm Zen 4 architecture is reportedly on its way, which will pack 8 cores and 16 threads on a new 12nm process. A recent hardware presentation from the chip-maker suggests that the new chip will use the steamroller Zen core design, but with a new second-generation cache and new V-stack design.

AMD’s roadmap is on its way to the future, but the company’s next-gen processors are still a long way off – at least according to the company’s new roadmap. AMD announced a new line of processors called “Zen 2” and “Zen 3”, but the company also confirmed that the new processors will be based on the “Zen 4” microarchitecture. This means that the company is working on Zen 2 and 3 CPUs for now, but it will be far from a done deal.

AMD has confirmed that it is developing a new high-performance, next-gen CPU core codenamed “Zen 4”, which will be compatible with the current AM4 socket. These processors will be available in 2021, and will be the first to introduce the company’s new “Zen+” micro-architecture, which will be the successor to the “Zen” micro-architecture. The new processors will make their first appearance at Computex 2018, and will replace the “Zen 2” family of CPUs that appear in the coming years.

AMD has announced that the next generation of Ryzen and EPYC processors based on Zen 4 will be launched next year. AMD made the announcement at COMPUTEX 2021 while demonstrating the latest 3D V-Cache technology that will appear in future generations of processors. At COMPUTEX 2021, AMD unveiled its next-generation 3D stacking concept for its chipset-based processors. This technology allows multiple IP addresses to be stacked on top of each other. The prototype that AMD presented at COMPUTEX 2021 included the Ryzen 9 5900X with 3D V-cache and 64 MB of L3 SRAM. I hope you enjoyed all the new technologies we announced at #computex 2021. We’re very proud of our @AMD Ryzen desktop processors, @Radeon mobile GPUs, FidelityFX super-resolution and our new 3D chiplet technology, which bring the best in high-performance computing !!!! – Lisa Su (@LisaSu) 1. June 2021 The prototype is equipped with a standard Zen 3 CCD in addition to a 3D packed 6mmx6mm CCD. The size of the CCD is the same as before, but in addition there is a package that contains 64MB of cache, which is on top of the 32MB of L3 cache already present on the Zen 3 CCD. This means a total of 96 MB of L3 cache per FPC or 192 MB of L3 cache in total for the entire Ryzen 9 5950X processor. The 3D-V cache is connected to the CCD by several TSVs. According to AMD, this hybrid interconnection approach increases interconnection density by more than 200 times with overall efficiency 3 times higher. AMD also gave a live demonstration of its new caching technology. The Ryzen 9 5900X prototype ran on Gears V and showed a 12% performance gain over the standard Ryzen 9 5900X. On average, AMD claims a 15% performance increase with the 3D-V cache design. AMD 3D Chiplet Technology: Revolutionary packaging for high performance computing. – AMD (@AMD) 1. June 2021 The AMD Zen 4 Ryzen processors are codenamed Raphael. According to the information known so far, the Raphael processors will be based on the 5nm Zen 4 core architecture and will include 6nm I/O arrays in a chipset design. Below are the main features expected from the Zen 4 architecture.

  • All-new Zen 4 processor cores (IPC/architecture enhancements)
  • TSMC’s latest 5nm process node with 6nm IOD
  • AM5 platform support with LGA1718 socket
  • Support for dual-channel DDR5 memory
  • 28 PCIe Gen 4.0 lanes (processor only)
  • TDP 105-120W (upper limit of the range ~170W)

The Zen 4 Raphael platform will feature DDR5-5200 memory, 28 PCIe Gen 4.0 lanes, more NVMe 4.0 and USB 3.2 I/O, and possibly USB 4.0 support. For the first time, Ryzen processors will also have integrated RDNA 2 graphics, meaning AMD’s Ryzen series will have iGPUs on all processors. The Raptor Zen 4 processors are expected to hit the market in late 2022 and will use Intel’s 13th generation Raptor Lake processors. AMD also announced that the Ryzen 7 5700G and Ryzen 5 5600G APUs will be released in the DIY segment in August. AMD also introduced Nvidia’s DLSS competitor, the FidelityFX Super Resolution technology.

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