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Intel Core i9-11900K CPU Review


We can now present our full performance review of the Intel Core i9-11900K processor, also known as Rocket Lake. The 16th. In March 2021, Intel officially lifted the veil on Rocket Lake processors and we were able to get all the information we needed about Intel’s 11th generation desktop processors.  We’ve published an article with all the new information on architecture, processors and pricing, as well as the new Intel 500 series chipsets, such as the new Z590, which enthusiasts will be excited about.

In this review today, we will only look at the Intel Core i9-11900K processor itself.  A review of the Intel Core i5-11600K processor will be posted in another article soon, so stay tuned.  In today’s review, we’ll compare performance in synthetic benchmarks that test both multithreaded and single-threaded performance.  This allows us to see where and what aspects of each processor excel.  We also show performance in various games at both 1080p and 4K with a fast GPU.

Today’s test is a comparison, and as such, we have a full range to compare. The Intel Core i9-11900K (8c/16t) processor will compete against the previous generation Intel Core i9-10900K (10c/20t) processors and AMD Ryzen 9 5900X (12c/24t) and Ryzen 7 5800X (8c/16t) processors.  It covers the entire range and compares both price and number of cores.  Additionally, we will turn on and off the Intel Core i9-11900K processor with the new Intel Adaptive Boost technology to show this comparison in each graph as well.

Intel Core i9-11900K Specifications

Before we get into the details, a quick look at the technical specifications.  Intel’s Core i9-11900K tops the list of CPUs in this Cypress Cove-based 11th generation of Rocket Lake. Generation.  The RRP (recommended customer price) is set at $539.  The previous generation Intel Core i9-10900K had an RCP of $488, so we see a price increase of $51 for this generation.  In terms of price, it competes with AMD’s RAZEN 9 5900X, which has a suggested retail price of $549.  However, there is a big difference between the processors.

As you can see, the new Intel Core i9-11900K outperforms the 8-core/16-thread processor.  The previous generation Core i9-10900K was a 10-core/20-stream processor.  While the Ryzen 9 5900X is a 12-core, 24-threaded processor.  In our white paper, we explain why Intel did this.  The bottom line is that Intel has compressed a superior architecture designed for a smaller node into a 14nm process to achieve the clock speeds needed for desktop performance.  Cores were sacrificed to achieve the desired performance and temperature levels.

The Intel Core i9-11900K has a base clock of 3.5 GHz.  It supports Intel Turbo Boost 2.0 technology and can run up to 5.1 GHz. It also supports Intel Turbo Boost Max 3.0 technology, allowing it to run at speeds up to 5.2 GHz.  It also supports Intel Thermal Velocity Boost technology to reach 5.3 GHz on a single core or 4.8 GHz on all cores.  The thermal design power is 125W and the processor is enabled.  Support for DDR4-3200 memory in GEAR 1.

This can seem confusing in terms of clock speed, so we did our own testing.  Below are the results of our single core, single frequency tests.

IntelAdaptive Gain Technology

There’s another new technology we need to talk about.  Only the i9-11900K and i9-11900KF support Intel Adaptive Boost Technology.  This is a technology that uses Thermal Velocity Boost to provide an even higher frequency increase over the life of your cooling unit.  In other words: With proper CPU cooling, you can achieve higher frequencies in multi-core performance.  To make this work optimally, two things are needed: improved power and cooling solutions.

Intel claims that this Adaptive Boost stays within power and temperature limits.  Intel says this is within the norm and is not considered overclocking. We checked this and found that with our power supply and cooling system, two separate cores of all frequencies were achieved with this on-off feature.

we will show you in our review.  For our performance testing, we tested both scenarios so you can see how it affects performance.  This feature must be enabled in the BIOS.  It is disabled by default.  So if you want to enable this feature, you must do so manually, otherwise it will be disabled.

frequently asked questions

Which processor is better than the i9 9900K?

computational amd-ryzen-…

Intel Core i9: a bidding war?

Yes, the Core i9 will be overkill for most users. Processors like Pentium and Core i3 or even i5 with a good clock speed and RAM are sufficient for daily office work. … In this case, you usually don’t need to look beyond the Core i7.

Is the Core i9 better than the Ryzen 9?

The Ryzen 9 5900X was about 40% faster than the Core i9-10900K in multi-core, but only 5% faster in single-core. However, it’s still impressive when you consider that the 5900X should house two more cores than the Core i9-10900K and manage to outperform it when processing single-core content.

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