Intel Core i9-1200 K, the king of productivity!

Intel managed to show their spurs to its competitors by presenting the Intel Core i9-12900K.

Intel has just officially lifted the embargo for benchmark results from their latest CPU, namely the 12th generation Intel Core, or familiarly called Intel Alder Lake. Many interesting things are brought by Intel in their latest generation of processors, which makes it look more attractive when compared to the previous generation CPU and also its competitors. On this occasion, we are very lucky to get two Intel CPUs at once to try. We also get Intel Core i9-12900K and Core i5-12600K processors.

For this review, we only discussed one processor because there were several challenges that made us have to postpone doing more in-depth testing for both processors. One of them is DDR5 RAM, considering that one of the main features highlighted by Intel is the support for the latest generation of RAM.

What’s new? 
One of the things that Intel emphasizes in this 12th generation Intel Core is the support for DDR5 RAM and PCIe Gen 5. Yes, both are new breakthroughs in the world of technology, especially for PCs.

They use 10nm fabrication technology or what is referred to as Intel 7 for this one CPU line. So we can expect a fairly high performance spike and big power efficiency in this lineup of Intel’s Alder Lake family. This CPU also comes with a rectangular IHS shape, not a square like in the previous generation of processors. They also use a new socket, namely LGA 1700 and use a 600 series chipset to run this CPU, which means it is not backward compatible with previous generations of sockets and motherboards.

Changes in the size of the CPU is not random. The reason, they use a new architecture in the ranks of this generation of processors. They not only embed powerful processor cores, but also use low-performance processor cores. Yes, this has been done by processor developers for smartphones, known as big.LITTLE. While at Intel, they call the core with high performance as Performance (P) Core and energy efficient core as Efficiency (E) Core.

The configuration used is quite interesting. We will take the example of the Intel Core i9-12900K and i5-12600K. These processors each have a total of 16 cores and 24 threads as well as 10 cores and 16 threads. Weird isn’t it? In previous generation CPUs, if a processor has 16 cores, it usually has a total of 32 threads. Likewise, if it has 10 cores, it will have a total of 20 threads.

This is because they split their CPU core cluster into two. For P Core in i9-12900K, they use a total of 8 cores with a total of 16 threads. As for the E Core, they use 8 cores with 8 threads, with a total of 16 cores and 24 threads. On the other hand, the i5-12600K will have a total of 6 cores and 12 threads for the P Core, while for the E Core they use 4 cores and 4 threads, so in total they have 10 cores and 16 threads.

These two cores have different functions, but still synergize. The P Core is meant to run heavy applications, such as games or editing applications while the E Core is meant to run light tasks that usually work in the background. Then, what are the advantages? In the previous generation architecture, for example, if we were playing a game and there was a game update in our Steam library, then all the load would be divided into the available CPU. This results in a decrease in our gaming performance.

Meanwhile, with this latest generation of Intel CPUs, the P Core will handle games without being disturbed at all by other loads, while the E Core will handle all light loads. So, you will not experience a decrease in performance when playing games or rendering. However, those who will benefit the most from this architecture are content creators or streamers. They will get the best performance when rendering or playing games without having to worry about performance degradation.

Intel Core i9-12900K Specifications 

For this review, we will discuss the Intel Core i9-12900K. And we will cover the Intel Core i5-12600K in the next article. Why? You see, both of these CPUs have their own uniqueness and to be honest we are more interested in doing more in-depth testing for the Intel Core i5-12600K. Because, in our opinion, this is the best CPU you can buy. Talking about the specifications, the Intel Core i9-12900K on the official website has a total of 30MB Intel Smart Cache (L3) and 14MB L2 Cache. The base speed of this CPU is at 3.2GHz on the P-Core and 2.4GHz on the E-Core.

Meanwhile, the maximum turbo speed will be at 5.1GHz or at 5.2GHz if you use Intel Turbo Boost Max Technology 3.0 mode. While the maximum boost speed of the E Core will be in the range of 3.9GHz.


So, that was our review of the Intel Core i9-12900K. In our opinion, this processor has a very reliable performance, both when used to devour productivity applications and games. In addition, their innovation using two different cores is also commendable, because they strive to provide the best performance when users need it. And when they don’t need high performance, they provide a power efficient processor.

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