Tuesday, April 13

With its Core i9-11900K, Intel would once again outperform the competition from AMD

The 11th generation of Intel desktop processors is gradually approaching its launch, expected in spring 2021. In the meantime, a new performance index developed by the Core i9-11900K, Intel’s next flagship to the general public, leaves foresee a recovery ahead of AMD.

Intel is quietly preparing Rocket Lake-S, its next batch of desktop processors, still engraved in 14 nm… a process that has been in use for more than 6 years // Credit: Christian Wiediger / Unsplash

Intel is quietly preparing Rocket Lake-S, its next batch of desktop processors, still engraved in 14 nm… a process that has been in use for more than 6 years // Credit: Christian Wiediger / Unsplash

The 11th generation of Intel processors began by making its debut in September on the laptop PC, through low-power Tiger Lake-U chips engraved in 10 nm. On desktop PCs, it is with the Rocket Lake-S line that the 11th generation will materialize. Announced by Intel at the end of October, this family of processors desktop should take in a few months the continuation of the current Comet Lake-S chips, but still exploiting the 14 nm etching process… from which Intel seemed to have extracted all the marrow.

And yet, if we are to believe a benchmark of the future Core i9-11900K, Intel would have once again managed to squeeze some juice from its ancient engraving. An engraving whose genesis goes back all the same to September 2014, with the Broadwell family, and which had been popularized the following year with the first Skylake chips.

AMD beaten again by older technology?

According to a benchmark relayed on Twitter by TUM_APISAK, to which many leaks have owed in recent months, the Core i9-11900K would thus be able to reach up to 62.8 FPS on Ashes of The Singularity, with 1080p definition and maximum detail. The test setup consisted of an RTX 2080 Ti and 32 GB of DDR4. On this same configuration, the current Core i9-10900K would show between 5 and 10% less performance, while with an equivalent configuration AMD’s new Ryzen 9 5950X would be left behind by 10%, note WCCFTech.

Beyond these results, which will deserve to be confirmed, this weekend we discovered part of the technical specifications of the Core i9-11900K. The latter would have only 8 cores and 16 threads for a frequency of 3.5 GHz base, 5.2 GHz boost on a single core and 4.8 GHz boost on all cores. Intel’s new high-end chip would otherwise have a total of 16MB L3 cache and 4MB L2 cache. As a reminder, the Core i9-10900K for its part has 10 cores and 20 threads clocked between 3.7 and 5.2 GHz.

As with its predecessor, the Core i9-11900K should finally be able to grab an additional 100 MHz on a single core thanks to Thermal Velocity Boost technology. On the consumption side, the first information shows a first limit (PL1) of 125 W, standard for high-end desktop processors from Intel, and a second limit (PL2) set this time at 250 W.

The new Cypress Cove cores in action

These additional performances, but with two fewer cores compared to the Core i9-10900K, Intel would be able to do so thanks to the transition to a new architecture designed for the cores of its new processors: « Cypress Cove ». The new refinement of the 14 nm engraving would also make it possible to contribute to these potential good performances, but we are still moving towards a greedy chip from an energy point of view. A problem that Intel can only really begin to solve by moving (finally) to 10nm for its future desktop CPUs. As an indication, the Ryzen 9 5950X (engraved in 7 nm) and its 16 cores / 32 threads is limited to a base TDP advertised at 105 W.

Along with the Core i9-11900K, the Intel Core i5-11400 is also shown in more detail… this time through an extract found in the SiSoftware Sandra database. This new-generation mid-range processor would have 6 Cypress Cove cores and 12 threads, clocked between 2.60 and 4.40 GHz for 12 MB of L3 cache and 3 MB of L2. Its TDP (PL1) is this time displayed at 65 W. Compared to the Core i5-10400, there is an advantage, an advantage of 100 MHz in boost, but a base frequency in decline of 300 MHz. The configuration of the hearts is on the other hand similar.



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