AMD Ryzen 9 7900X vs Intel Core i9-12900K

With the arrival of the latest AMD Ryzen 7000 processors, it’s only natural that we wonder if they measure up to (or even surpass) the high-end Intel 12th Generation. The latter have arrived with very good performance results and at quite reasonable prices. Will the AMD Ryzen 9 7900X outperform the Intel Core i9-12900K? Let’s take a look at their specs, architectures, and benchmarks from some benchmarks.

AMD Ryzen 9 7900X vs Intel Core i9-12900K: Specifications and prices

 Ryzen 9 7900XIntel Core i9-12900K
ArchitectureZen 4alder lake
Lithography5nm10nm
clock speed4.7-5.6GHz2.4-5.2GHz
Setting12R / 24W8 + 8R / 24W
L3 memory64MB30MB
Multiplierunlockedunlocked
DDR43200MHz
DDR55200MHz4800MHz
controller modedouble-channeldouble-channel
TDP170W125W
integrated GPUAMD Radeon 2CUIntel UHD 770
Price$550$580
PlatformAM5LGA1700
Release dateSeptember 2022November 2021
AMD Ryzen 9 7900X vs Intel Core i9-12900K: Specifications and prices

The Ryzen 9 7900X is a 12-core, 24-thread Zen 4 processor that runs between 4.7GHz and 5.6GHz depending on load. Like the 7950X, we’ll be getting dual CCDs along with a 6nm I/O array. This extra CCD brings its total L3 cache to 64 MB, although there is also 16 MB of L2 cache. The TDP also increases from 105w to 170w, albeit considering that the same 28 PCIe 5.0 lanes are supported.

On the other hand, the Intel Core i9-12900K was the 2021 flagship and it came with 16 cores and 24 threads. Its architecture was the first from Intel to exceed 5 GHz clock speeds, something they have now taken to 6 GHz with Intel 13th Gen. This processor also supports DDR5 memory (although it is backward compatible with DDR4), Gen4 SSD support, and PCI-E 5.0 on high-end motherboards.

One difference from the Ryzen 7000 family is that they require an AM5 platform and DDR5 RAM along with motherboards with 600-series chipsets. However, the Intel 12 and 13 Gen support both standards, so we can count on it with the cheapest motherboard.

What is clear is that the AMD Ryzen 9 7900X is a direct competitor to the Intel Core i9-12900K. Both CPUs have a lot in common, not least because they support 24 threads and cost about the same.

AMD Ryzen 9 7900X vs Intel Core i9-12900K: Benchmarks

The first benchmarks that we have taken into account are those related to content creation programs such as Premiere Pro and After Effects. In both, the Intel Core i9-12900K almost always manages to outperform the AMD model.

Specifically, in Premiere Pro, the Intel CPU is faster overall. However, in 4K jobs, it is the new AMD Ryzen 9 7900X that achieves a clear advantage according to data from Puget Systems.

On the other hand, in Adobe After Effects, we see that things are more even. Both in overall score and multi-core jobs, both CPUs get practically the same score.

If we take into account the results of the integrated GPU in the iGPU test AND its FP32 performance, which indicates how many trillions of FP32 floating point operations the graphics card (GPU) can perform per second, the Intel Core i9-12900K achieves up to 29 % more than the new Ryzen 9 7900X.

There are differences in other benchmarks like Blender and V-Ray. In Blender, a rendering program that measures the time taken by the CPU (and not the GPU), it is the AMD Ryzen 9 7900X that achieves an advantage of up to 21% greater than the Intel.

Instead, if we look at the data from the same source, in V-Ray it is the Intel Core i9-12900K that outperforms AMD by 30%.

In games, both CPUs perform at a good level, with the AMD Ryzen 9 7900X being superior to the Intel Core i9-12900K in most of them. For example, in Hitman 3, Assassin’s Creed Valhalla, Forza Horizon 5, or Death Stranding. In specific cases such as Cyberpunk 2077, the 12th-grade Core i9 is the champion, achieving 164 FPS compared to 157 FPS from AMD.

Although the Ryzen has 4 cores, it managed to stay ahead of the i9-12900K due to its higher clock speeds and better performance. In general, if we take the benchmarks of the main games where the CPUs are tested, the Ryzen 9 7900X is almost 5% better than the Core i9-12900K in terms of FPS.

To all this, we must point out that the AMD Ryzen 9 7900X has a 10% lower power consumption than the Intel Core i9-12900K in factory settings, and more than 20% less when overclocked. However, you should know that it also reaches high temperatures and therefore needs a solid cooling system to maintain the stated clock speeds and performance.

Conclusion: Which CPU is better?

Taking into account this data and that, as we said at the beginning, the Ryzen 9 7900X compatibility requires new motherboards and components, it may not be as profitable compared to the Intel Core i9-12900K. That does not mean that it is a high-level CPU, having surpassed the 12th Gen Intel in some cases.

If you are looking for a Gaming PC and want an AMD chip, then the Ryzen 7 7700X is much more profitable in terms of performance price. The Ryzen 9 7900X is a solid CPU that competes for head-on with the Core i9-12900K, but we also think it’s the least exciting offering in the Ryzen 7000 series.

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Abram left his e-business studies to devote himself to his entrepreneurial projects. In 2017, he created the company Inbound Media and wrote articles about high-tech products for his Chromebookeur site. In 2019, Chromebookeur was renamed Macbound and became a general purchasing advice site. Today, Abram manages the development and growth of Macbound, surrounded by a young and talented team.

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