Sci-tech

AMD's Ryzen 9 5900X is its first Zen 3 CPU

AMD's Ryzen 9 5900X is its first Zen 3 CPU”

AMD just announced their latest Ryzen 5000 series of CPUs set to arrive on November 5.

Zen 3 will be delivering performance that is bang in line with what you can usually expect from any new architecture. A new architecture naturally means significant improvements to the overall CPU efficiency as well as IPC uplift. AMD sort of muddied the water a bit with slightly juiced-up versions of its Ryzen 3000 processors (and when I say slightly, I mean there's no point in rushing out to buy one even if they are really good).

It promises to bring 12 cores/24 threads, up to 4.8GHz clock frequency, 70MB of L2+L3 cache, 105W TDP to the table.

Sitting at the top of the Zen 3 Ryzen 5000 family is the 16-core Ryzen 9 5950X, which AMD says provides the highest single-thread performance of any desktop gaming processor and the most multi-core performance of any desktop gaming processor and any desktop processor in a mainstream CPU socket. In particular, the 5900X will offer far stronger single-core performance, which has traditionally been a major weakness for AMD. The Ryzen 9 5950X costs $799, the Ryzen 9 5900X retails for $549, the Ryzen 7 5800X is priced at $449, and the Ryzen 5 5600X is the most affordable option at $299. What's most surprising is that it keeps the same 105W TDP as the 5900X.

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Based on AMD's maths, its Zen 3 Ryzen CPUs are also 2.4 times more efficient from a performance-per-watt perspective than its first-gen Ryzen CPUs, and approximately 24 per cent more efficient than its second-gen Ryzens.

In her opening remarks, AMD CEO Lisa Su said Zen 3 gives the chipmaker additional advantages over Intel from its previous Zen 2 products, which continue to have the highest core counts in the x86 processor markets for both PCs and servers.

The changes this generation extend down to the architecture, with AMD boasting a shift to 8 CCXs (core complexes). That'll be especially useful for gaming and and other latency sensitive tasks, like streaming your gameplay to Twitch. I suspect AMD's Zen 3 chips will still take a performance-per-dollar crown victory over Intel, but we'll see how the figures shake out once everyone gets a chance to run some tests.

AMD isn't sitting on its laurels, either. "Zen 3 is shipping as promised, and the 5nm Zen 4 [architecture is] on track, in design".



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