The mystery of Zen 4 processor performance, AMD has finally announced.
At the 2022 Financial Analyst Conference, AMD officially disclosed that Zen 4 is the world’s first high-performance x86 5nm processor, and the products will be targeted at desktops, notebooks and servers.
Zen 4’s IPC increase is 8~10%, IPC is the instruction set per clock cycle, that is, the same frequency performance. However, this figure is lower than the 19% achieved by Zen 3 and Zen 2, which may also explain why Zen 4 Ryzen 7000 achieves all-core 5.5GHz, and the official only conservatively gives single-threaded performance improvement of over 15%. number.
At the same time, AMD gave the multi-threaded performance of the 16-core 32-thread Zen 4 desktop flagship processor (expected Ryzen 9 7900X?) in Cinebench,The performance per watt is more than 25% higher than Zen 3, and the overall performance is more than 35% higher.
In addition, AMD confirmed that Zen 4 has increased memory bandwidth per core by up to 125% and introduced support for the AVX-512 instruction set.
Going back to the desktop processor that everyone cares about most, AMD did not specify the specific SKU model of the Ryzen 7000 this time, but promised that Zen 4, Zen 4 V-cache (3D cache version) and Zen 4 thread tearers will all be classified in In the Ryzen 7000 series family, 5nm is used.
Zen 5 has also confirmed the desktop processor code-named Granite Ridge, with a process of 4nm or 3nm. As for the new micro-architecture of Zen 5 in AMD’s mouth, it should be the size of the rumored core.
AMD Desktop Processor Roadmap
Hashtag: AMDZen 4 Ryzen
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