AMD Ryzen 9000 “Zen 5” introduces Specs and Anticipated Launch Date

January 13, 2024 by our News Team

AMD's upcoming Ryzen 9000 processors, featuring the Zen 5 core architecture, promise significant improvements in single-threaded performance and multitasking capabilities, with an expected launch in mid to late 2024.

  • Significant improvements in single-threaded performance
  • Enhancements in key areas such as the L1I data cache and branch predictor
  • Upgraded core interconnect for smoother multitasking experiences

AMD has been stirring up the processor market with its Ryzen series, and the upcoming Ryzen 9000 processors are no exception. Set to launch later this year, the Zen 5 core architecture promises significant improvements in single-threaded performance, particularly benefiting gaming enthusiasts.

Thanks to a leak in late September from Moore’s Law is Dead, we now have a closer look at the finer details of the Zen 5 core and its capabilities. Codenamed “Nirvana,” the Zen 5 architecture brings upgrades across various aspects, including the frontend, backend, memory subsystem, and cache.

Starting with the frontend, the Zen 5 core sees enhancements in key areas such as the L1I data cache, which has been increased from 32KB to 48KB 12-way. This cache sits next to the decoder and branch predictor, contributing to faster address translation. Speaking of the branch predictor, it plays a crucial role in an out-of-order CPU like Zen 5, dictating the pipeline’s flow and affecting instructions per cycle (IPC). Zen 5’s branch predictor executes “Zero bubble” conditional branches, allowing access to the Branch Target Buffer without penalties or bubbles.

Moving on to the backend, AMD has focused on strengthening the Integer Execution capabilities of Zen 5. The ALU count has been increased from 4 to 6, accompanied by a larger Scheduler. On the Vector/FP Side, 512-bit wide FP units have been added to improve AVX512 performance. While the wider ALU may be limited to EPYC products, it is expected to be fused on the Ryzen 8000 CPUs.

The Memory Sub-system of Zen 5 has also received attention. It can now handle 4 loads or 2 stores per cycle, an improvement over Zen 4’s 3 loads per cycle. These enhancements contribute to overall performance gains and smoother multitasking experiences.

In terms of core interconnect, the Ryzen 8000 processors, which will precede the Ryzen 9000 CPUs, will feature an upgraded core interconnect known as Ladder L3 Fabric. This interconnect, related to the 3rd Gen Infinity Fabric, will serve as the die interconnects for AMD’s next generation of chiplet products. While core counts and higher-level cache buffers are expected to remain unchanged, the Ryzen 8000 CPUs are anticipated to offer up to 16 cores across two CCDs, each with 32MB of L3 cache. The L2 cache will remain at 1MB per core or 16MB for the entire CPU.

With the Ryzen 8000 CPUs set to arrive in mid to late 2024, the Ryzen 9000 processors are expected to follow suit soon after. As for the launch date, it is likely to fall in the summer or fall of the same year.

AMD continues to push boundaries with its Ryzen processors, and the Zen 5 architecture promises to deliver impressive performance improvements. Whether you’re a gamer seeking better single-threaded performance or a power user looking for enhanced multitasking capabilities, the Ryzen 9000 processors are certainly worth keeping an eye on. Stay tuned for more updates on AMD’s latest products.

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Background Information

About AMD: AMD, a large player in the semiconductor industry is known for its powerful processors and graphic solutions, AMD has consistently pushed the boundaries of performance, efficiency, and user experience. With a customer-centric approach, the company has cultivated a reputation for delivering high-performance solutions that cater to the needs of gamers, professionals, and general users. AMD's Ryzen series of processors have redefined the landscape of desktop and laptop computing, offering impressive multi-core performance and competitive pricing that has challenged the dominance of its competitors. Complementing its processor expertise, AMD's Radeon graphics cards have also earned accolades for their efficiency and exceptional graphical capabilities, making them a favored choice among gamers and content creators. The company's commitment to innovation and technology continues to shape the client computing landscape, providing users with powerful tools to fuel their digital endeavors.

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Technology Explained

AVX512: AVX512 is a set of instructions used in modern computer processors to increase the speed and efficiency of certain operations. It stands for Advanced Vector Extensions 512, and it is an extension of the previous AVX instruction set. AVX512 is used in many applications, such as machine learning, artificial intelligence, and data analysis. It is also used in high-performance computing, where it can help speed up complex calculations. By using AVX512, computers can process more data faster and with greater accuracy. This makes it an invaluable tool for businesses and organizations that rely on large amounts of data.

chiplet: Chiplets are a new type of technology that is revolutionizing the computer industry. They are small, modular components that can be used to build powerful computing systems. Chiplets are designed to be used in combination with other components, such as processors, memory, and storage, to create a complete system. This allows for more efficient and cost-effective production of computers, as well as more powerful and versatile systems. Chiplets can be used to create powerful gaming PCs, high-end workstations, and even supercomputers. They are also being used in the development of artificial intelligence and machine learning applications. Chiplets are an exciting new technology that is changing the way we build and use computers.

CPU: The Central Processing Unit (CPU) is the brain of a computer, responsible for executing instructions and performing calculations. It is the most important component of a computer system, as it is responsible for controlling all other components. CPUs are used in a wide range of applications, from desktop computers to mobile devices, gaming consoles, and even supercomputers. CPUs are used to process data, execute instructions, and control the flow of information within a computer system. They are also used to control the input and output of data, as well as to store and retrieve data from memory. CPUs are essential for the functioning of any computer system, and their applications in the computer industry are vast.

EPYC: EPYC is a technology designed by computer chip manufacturer AMD for use in the server and data center industry. It was introduced in June 2017 and features an innovative design to improve performance and power efficiency. EPYC processor technology is based on an innovative 14nm processor architecture, allowing up to 32 high-performance cores in a single socket. This allows for more efficient processing power, increased memory bandwidth, and greater compute density. EPYC is now widely used in the data center and cloud computing industry and provides benefits such as greater scalability, increased resource efficiency, and advanced virtualization capabilities. Additionally, EPYC technology is used in data intensive servers like server farms, gaming, and virtualization platforms. EPYC ensures that even with large deployments in multi-processor environments, power consumption and performance levels are optimized to ensure maximum efficiency.

L3 cache: L3 cache is a type of computer memory that is used to store frequently used data and instructions. It is located between the processor and main memory, and is used to reduce the amount of time it takes for the processor to access data from main memory. This helps to improve the overall performance of the computer. In the computer industry, L3 cache is used in many applications, such as gaming, video editing, and web browsing. It can also be used to improve the performance of servers and other high-performance computing tasks. By providing faster access to data, L3 cache can help to reduce the amount of time it takes for a computer to complete a task.

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