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Zen 3 microarchitecture breakthrough: How did AMD achieve a 19% performance increase?
On November 5, 2020, AMD officially launched its latest CPU microarchitecture - Zen 3. This generation of products is not only a successor to Zen 2, but also a qualitative leap. The core design of the Zen 3 microarchitecture not only inherits the advantages of previous generations, but also achieves up to 19% improvement in performance, which surprises many users. Behind all this is AMD's efforts to continuously innovate in technology.
The launch of Zen 3 marks a new era for AMD, setting new benchmarks in both the desktop and server markets.
The Zen 3 microarchitecture uses TSMC's 7nm process, allowing AMD to achieve a better balance between performance and power consumption. Compared to Zen 2, Zen 3's design optimizes instructions per clock cycle (IPC) performance and is capable of higher operating clock speeds. Such advantages have made AMD's Ryzen 5000 series processors (code-named "Vermeer") widely praised in the market.
Zen 3's architecture shows clear differences from its predecessors, with the most notable change being the introduction of a single 32MB pool of L3 cache that is directly accessible to all eight cores. Taken. Compared to Zen 2's layout of two separate 16MB cache pools, one shared by each four cores, this change greatly helps to increase the cache hit rate and improve the efficiency of data exchange between multiple cores.
With Zen 3, all cores can efficiently access a shared cache simultaneously, which is critical to improving performance.
As the design progressed, AMD also further optimized the bandwidth of branch prediction, increasing the size of the L1 branch target buffer to 1024 entries. This change helps predict instruction flow faster. For many application scenarios that require efficient data processing, such improvements are undoubtedly a huge improvement.
In addition, AMD has introduced Resizable BAR technology in Zen 3, which allows the processor to directly access all video memory of compatible graphics cards. This innovation not only improves performance, but also takes resource utilization to a new level. level.
Especially in terms of gaming performance, AMD's recently launched Ryzen 7 5800X3D uses the first-ever 3D vertical stacking L3 cache technology. The total L3 cache capacity of this processor is as high as 96MB, which greatly improves its performance in games. Improved, with an average performance improvement of 15%. The emergence of this technology not only allows AMD's desktop processors to surpass competitors in performance, but also combines its higher efficiency with past designs to provide users with a more cost-effective choice.
With these improvements, AMD's Zen 3 microarchitecture undoubtedly brings a lot of performance improvements to the desktop and server markets.
The success of Zen 3 microarchitecture lies in its well-designed architecture and efficient performance output. AMD uses advanced technology and processes to allow every user to enjoy unprecedented microprocessor performance. With the launch of Zen 3, many users have been the first to experience the convenience and smoothness it brings, with significant improvements in areas such as gaming and multimedia editing.
With the advancement of technology, AMD is constantly looking for breakthroughs within the limits. Products like Zen 3+ will also demonstrate higher performance and energy efficiency in the future. This makes people wonder, in the near future, how will AMD once again amaze the market and create a greater miracle?
