AMD Ryzen 9 5900 vs Intel Core i9-12900KF

Compare AMD Ryzen 9 Desktop 12 core CPU vs Intel 12th Generation Core i9 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

142 %
150 %
5% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

108 %
167 %
54% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

156 %
7% slightly better multitasking score
145 %

Heavy Workload Score

Performance in workloads using up to 16 cores

164 %
13% slightly better heavy workload score
144 %

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Number of physical processing units

33% slightly more cores


Number of logical processing units


Clock Speed

Base frequency at which the chip operates

3 GHz
3 GHz
6% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
5 GHz
10% slightly higher turbo speed


Thermal Design Power: Measure of heat generated by the CPU

65 W
270% significantly lower TDP
241 W

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
1,280 KiB
66% significantly more L1 cache

L3 Cache

General memory pool for all cores

64 MiB
113% significantly more L3 cache
30 MiB

Other details


Ranking in the hardwareDB database

7th of 1,327
2nd of 1,327


The product line

Ryzen 9 Desktop
12th Generation Core i9

Release date

The official date of release of this chip

December 2021
November 2021

Memory Type

The type of memory used by this chip


Is Unlocked

Can this CPU can be overclocked


Ryzen 9 5900 vs Core i9-12900KF specs and performance

Our benchmark analysis concludes that the Core i9-12900KF performs better than the Ryzen 9 5900. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 5900 in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i9-12900KF has slightly more cores than the Ryzen 9 5900. Indeed, the Core i9-12900KF has 16 cores compared to 12 cores found in the Ryzen 9 5900. But they both have the same number of threads. Our comparison shows that the Core i9-12900KF has a slightly higher clock speed compared to the Ryzen 9 5900. Also, the Core i9-12900KF has a slightly higher turbo speed. A Ryzen 9 5900 CPU outputs less heat than a Core i9-12900KF CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Ryzen 9 5900 has more threads than cores. Each physical core is split into multiple threads.


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