Intel 11th Gen Core i9-11900K vs i9-10900K vs Ryzen 9 5900X: How does Rocket Lake Compare?

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i9-11900K release
i9-11900K release

Recently, there have been rumors circulating about Intel’s answer to their CPU-market nemesis: AMD. The new generation of Ryzen 5000 series processors have blown Intel completely out of the water, as their 10th generation CPUs trail their equivalently priced AMD counterparts in single core and multicore performance – not to mention power consumption and thermals.

All the pressure is currently on Intel for their 11th generation processors to outdo the performance of their Zen 3 competition; or at least focus on one aspect that will make their CPUs more desirable. If the leaks are to be believed, indeed, Intel is looking to go all in regards to single-core performance, while conceding the multi-core/workstation demographic.

Of course, a disclaimer here is necessary, as leaks of this sort are often times proven false – or at the least incomplete – so the information may be unreliable. Now, these benchmarks come from two Chinese sources (ChaoWanke and Chiphell), and they show us am Intel i9-11900K that has eight cores, 16 threads, a base clock speed of 3.5 GHz, and a boost clock speed of 5.3 GHz. 

i9-11900k leak chaowanke

According to ChaoWanke, this 11th generation CPU scores 708 in single-core performance and 6,443 in multicore performance on CPU-Z, whereas its Cinebench R20 scores are 636 in single-core, and 5,725 in multicore, performance. On the other hand, Chiphell has it slightly less powerful in CPU-Z single core performance, with a score of 706.3, but much more poweBHrful in multi-core performance, with a CPU-Z score of 7,198.8. Certain Geekbench CPU benchmarks have also reportedly been leaked, though only for the Intel i7-11700K.

i9-11900K vs i9-10900K

To put these scores into perspective, the 10th generation i9-10900K has a single-core performance score of 588, and a multi-core performance score of 7,159, in CPU-Z; as well as a 531 score in single-core Cinebench R20 performance and 6,155 in multi-core Cinebench R20 performance. This means that, if the leaks are to be believed, the i9-11900K will outperform its predecessor, in CPU-Z and in Cinebench R20, by approximately 20% in single-core performance. This is a substantial upgrade, that should be expected when moving up a generation. However, because it lacks two cores and four threads, it inevitably falls short in respect to multi-core performance. 

According to the leaks, Intel is looking to focus solely on their single-core performance, so this may be intentional. If the price of the i9-11900K is lower than the i9-10900K, then this may actually work out.

i9-11900K vs Ryzen 5900X

Even when it comes to competing with AMD’s Ryzen 9 5900X, which is priced in the range of the i9-10900K, the i9-11900K is about 9% faster in single core speeds. Of course, the i9-11900K will severely lack in multi core speeds, as it is missing four cores and eight threads. Also, if the leaked clock speeds are to be trusted, the i9-11900K will have a significantly faster boost clock speed, reaching 5.3 GHz, versus the 4.8 GHz of the Ryzen 9 5900X. But if we are to compare the i9-11900K with a Ryzen CPU that has an equivalent number of cores and threads – which in this case is the Ryzen 7 5800X – we see that it has a 12% faster single-core speeds, and just about the same multi-core scores.

In the end, it will all depend on the price. If the leaks are to be trusted, and the i9-11900K is valued similarly to the Ryzen 7 5800X, then it will surely be worth its price, and AMD can be challenged in the CPU market once again – albeit mostly when it comes to gaming.

Update: Intel has released a preview on the specifications for the upcoming i9-11900K processor

i9-11900K preview
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