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Intel Core i9-11900K Rocket Lake scores massive results in Geekbench, fastest single-threaded CPU performance ever and 13% faster than AMD’s Zen 3

Intel Core i9-11900K Rocket Lake scores massive results in Geekbench, fastest single-threaded CPU performance ever and 13% faster than AMD's Zen 3

The latest flagship Intel Core i9-11900K Rocket Lake CPU benchmarks have been leaked in Geekbench. The numbers show record-breaking performance for the upcoming segment that will feature an all-new architecture on the Intel Desktop platform for the first time in more than 6 years.

Intel Core i9-11900K for Rocket Lake desktop eliminates all of its competition in standard single-threaded performance, 13% faster than AMD Ryzen 9 5950X

Intel Core i9-11900K processor with multi-Cypress Cove core will bring the largest CPU architecture upgrade in over 6 years. This is because since the sixth generation of Skylake CPUs, all Intel CPUs up to the 10th generation Comet Lake CPUs used the same identical chip architecture based on the 14nm processing node.

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Intel Core i9-11900K Rocket Lake Desktop CPU Specifications:

The Intel Core i9-11900K will be the flagship 11th-generation Rocket Lake desktop processor. The slide will have 8 cores and 16 subjects. This will result in 16MB of L3 cache (2MB per core) and 4MB of L2 cache (512Kb per core). In terms of clocks, the CPU will operate at core frequencies of 3.5GHz but as for the boost, the CPU will feature a maximum boost clock of 5.2GHz (1 core) while the overall boost frequency will be kept at 4.8GHz.

The chip will also feature a thermal speed boost which should provide a 100MHz jump in the maximum clock frequency. That should result in a single-core boost clock of 5.3GHz, making it the first CPU to reach such a high frequency out of the box. However, remember that regardless of the use of Cypress Cove cores, the Core i9-11900K will have fewer cores and threads than the Intel Core i9-10900K. This is in part due to backporting of Cypress Cove onto a polished 14nm process node. The CPU is said to feature a first-stage power limit of 125W which is a standard for the leading Intel SKU and a second-stage or PL2 power limit rated at 250W.

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Intel 11th Generation Rocket Lake Desktop CPU Lineup Specifications (Preliminary):

CPU name Cores / Filaments The basic hour Boost Clock (1-Core) Boost Clock (all cores) cache Graphics TDP (PL1)
Core i9-11900K 8/16 3.50 GHz 5.30 GHz 4.80 GHz 16 MB Intel Xe 32 EU (256 colors) 125 watts
Core i9-11900 8/16 1.80 GHz 4.50 GHz 4.00 GHz 16 MB Intel Xe 32 EU (256 colors) 65 watts
Core i9-11900T 8/16 TBC TBC TBC 16 MB Intel Xe 32 EU (256 colors) 35W
Core i7-11700K 8/16 3.60 GHz 5.00 GHz 4.60 GHz 16 MB Intel Xe 32 EU (256 colors) 125 watts
Core i7-11700 8/16 2.50 GHz 4.90 GHz TBC 16 MB Intel Xe 32 EU (256 colors) 65 watts
Core i7-11700T 8/16 TBC TBC 16 MB Intel Xe 32 EU (256 colors) 35W
Core i5-11600K 6/12 3.90 GHz 4.90 GHz 4.60 GHz 12 MB Intel Xe 32 EU (256 colors) 125 watts
Core i5-11600 6/12 TBC TBC TBC 12 MB Intel Xe 32 EU (256 colors) 65 watts
Core i5-11600T 6/12 TBC TBC TBC 12 MB Intel Xe 32 EU (256 colors) 35W
Core i5-11500 6/12 TBC TBC TBC 12 MB Intel Xe 32 EU (256 colors) 65 watts
Core i5-11500T 6/12 TBC TBC TBC 12 MB Intel Xe 32 EU (256 colors) 35W
Core i5-11400 6/12 2.60 GHz 4.400 GHz 4.20 GHz 12 MB Intel Xe 24 EU (192 colors) 65 watts
Core i5-11400T 6/12 TBC TBC TBC 12 MB Intel Xe 24 EU (192 colors) 35W

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Upon reaching the benchmark, the CPU was tested at least three times on the same configuration consisting of the Gigabyte Z490 AORUS Master motherboard and 32GB DDR4-3600MHz memory. During the tests, the maximum score for single threading was 1905 points and for multi threading score of 10994 points. This makes the Intel Core i9-11900K Rocket Lake CPU the fastest single-threaded chip ever built. Compared to AMD’s faster Zen 3 chip, Ryzen 9 5950X, Intel CPU is 13% faster.

Meanwhile, it loses in multi-threaded tests due to a maximum of 8 cores and 16 threads, while AMD’s Ryzen 5000 family has up to 16 cores and 32 threads which is twice as much as the Intel flagship Rocket Lake. The Intel Core i9-10900K scored an average of 1402 points in the single-core and 10,924 points in the multi-core tests. Although there are more cores and threads, the 11900K, in fact, beats its predecessor with a slight performance advantage which is very impressive.


However, it must be remembered that this is an overclocked result. Sure, the Core i9-11900K can run at 5.3GHz in stock but this is only valid for a single core. The chip here can be seen operating on a powerful boost of 5.3GHz and is 500MHz higher than the standard all-core boost of 4.8GHz. So the multi-core score for stocks would be lower but even then, not by a huge margin. But even so, we saw that the Rocket Lake CPU is very difficult to cool with the AIDA64 FPU stress test that pushes it down to 98 ° C even while using the AIO 360mm liquid cooler.

While this is a great Intel offering, note that Rocket Lake CPUs won’t hit retail until late March 2021. This puts it close to AMD’s next answer which should be in either the form of Zen 3+ ‘improved Warhol or the Ryzen range from Next-generation Zen 4-based. Intel is also planning to acquire the “Alder Lake” 12th generation desktop CPU lineup By the second half of 2021 or the third quarter of 2021 which means that Rocket Lake CPUs will be replaced within a quarter or two, giving them a shorter life even than Kaby Lake which was also replaced by Coffee Lake CPUs after a few quarters.

News source: Video Cards

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