AMD Ryzensets 9 9900X Processor vs Intel Core i7-7700K 4.2 GHz QuadCore 8 MB Cache CPU - Black
Updated August 2026 — The AMD Ryzensets 9 9900X outperforms the Intel Core i7-7700K in several key areas, making it the better choice for gamers and creators.
The AMD Ryzensets 9 9900X outperforms the Intel Core i7-7700K in several key areas, making it the better choice for gamers and creators.
Why AMD Ryzensets 9 9900X Processor is better
core count
12 cores vs 4 cores
cache size
76 MB L3 cache vs 8 MB L3 cache
price
lower price at £299.39 vs £308.57
Why Intel Core i7-7700K 4.2 GHz QuadCore 8 MB Cache CPU - Black is better
brand reputation
Intel is a well-known brand in CPUs
single-core speed
4.2 GHz base speed vs 4.4 GHz base speed
4K support
supports 4K Ultra HD
Overall score
Specifications
| Spec | AMD Ryzensets 9 9900X Processor | Intel Core i7-7700K 4.2 GHz QuadCore 8 MB Cache CPU - Black |
|---|---|---|
| Architecture | Zen 5 | Kaby Lake |
| TDP (W) | 120 | unknown |
| Integrated GPU | AMD RDNA 2 | not specified |
| Memory Support | DDR5 | DDR4 |
| PCIe Version | 5.0 | 3.0 |
Dimension comparison
Overview of the Processors
The AMD Ryzensets 9 9900X Processor and the Intel Core i7-7700K are two powerful CPUs designed for demanding tasks, but they cater to slightly different needs. The Ryzensets 9 9900X, priced at £299.39, aims to deliver exceptional performance for gamers and creators, while the Intel Core i7-7700K, costing £308.57, is a well-known contender in the realm of high-performance computing, especially in gaming.
The AMD processor boasts a cutting-edge Zen 5 architecture and offers 12 cores and 24 threads, which significantly enhances multitasking capabilities. In contrast, the Intel Core i7-7700K features a QuadCore setup with a base clock speed of 4.2 GHz, making it a reliable choice for high-speed operations but with fewer cores for demanding applications.
Performance and Architecture
In terms of raw performance, the AMD Ryzensets 9 9900X excels with its base frequency of 4.4 GHz and the ability to boost up to 5.6 GHz. This processor's architecture is built on a 4nm engraving process, which not only enhances energy efficiency but also pushes the boundaries of performance for both gaming and creative tasks. The Intel Core i7-7700K, while competitive, offers a maximum speed of 4.2 GHz, which may not suffice for some of the most resource-intensive applications.
Moreover, the 12 cores and 24 threads on the Ryzensets 9 9900X enable it to handle multiple tasks simultaneously with ease. In contrast, the Intel Core i7-7700K's QuadCore design may limit its performance in highly threaded workloads. Thus, for users requiring superior performance in multitasking and creative workloads, the AMD processor stands out.
Cache Size and Efficiency
Cache size plays a crucial role in a CPU's efficiency and performance. The AMD Ryzensets 9 9900X features a remarkable 76 MB L3 cache, which significantly enhances data retrieval speeds and overall processing capabilities. This large cache size is particularly beneficial for gamers and content creators who rely on rapid access to data.
On the other hand, the Intel Core i7-7700K comes with an 8 MB cache, which, while adequate for many gaming applications, may not match the performance levels offered by the AMD processor in more complex scenarios. The substantial difference in cache size between the two processors indicates that the Ryzensets 9 9900X is designed to handle more extensive data sets efficiently, making it a better choice for users with demanding computational needs.
Integrated Graphics Capabilities
When evaluating integrated graphics, the AMD Ryzensets 9 9900X comes with an AMD RDNA 2 graphics chip, which provides decent performance for casual gaming and everyday tasks without the need for a dedicated graphics card. This feature can be especially advantageous for those who may not wish to invest in a separate GPU immediately.
In contrast, the Intel Core i7-7700K does not specify integrated graphics capabilities in the provided data, which may indicate either a reliance on a dedicated graphics solution or a lack of emphasis on integrated graphics performance. Therefore, if integrated graphics are a priority, the AMD Ryzensets 9 9900X offers a significant advantage, catering well to users who need solid graphical performance without additional hardware.
Memory Support and Future-Proofing
The AMD Ryzensets 9 9900X supports DDR5 memory and PCIe 5.0, which indicates a future-proof design that can take advantage of the latest technologies for enhanced performance. This capability allows users to optimise their systems for higher speeds and efficiency in data transfer, making it an attractive option for gamers and creators looking to stay ahead of the curve.
Conversely, the Intel Core i7-7700K does not offer the same level of memory support or cutting-edge technology as the Ryzensets 9 9900X. The lack of DDR5 and PCIe 5.0 compatibility may restrict the i7-7700K's performance when paired with newer components. For users who plan to upgrade their systems in the future, the AMD processor is clearly the more versatile option.
Thermal Design Power (TDP)
The thermal design power (TDP) of a CPU is an important factor that affects its cooling requirements and overall efficiency. The AMD Ryzensets 9 9900X has a TDP of 120 W, which is reasonable given its high performance and capabilities. This TDP allows for effective cooling solutions while maintaining powerful processing abilities.
On the other hand, the Intel Core i7-7700K’s TDP is not explicitly mentioned, but typically, Intel processors in this category have a similar or slightly lower TDP. However, the Ryzensets 9 9900X's higher TDP suggests that it can sustain greater performance levels under load, making it a more robust choice for enthusiasts who may push their CPUs to the limits.
Price Comparison
When it comes to pricing, the AMD Ryzensets 9 9900X is available at £299.39, while the Intel Core i7-7700K is priced at £308.57. The AMD processor offers a more attractive price point considering its superior specifications, including more cores, a larger cache, and support for the latest memory technologies. For users looking for value alongside performance, the Ryzensets 9 9900X is the more economical option.
In summary, while both processors are powerful in their own right, the added features and lower price of the AMD Ryzensets 9 9900X make it a compelling choice for those seeking the best performance per pound.
Which should you buy?
In the comparison between the AMD Ryzensets 9 9900X Processor and the Intel Core i7-7700K, it is clear that the Ryzensets 9 9900X offers superior performance, future-proof capabilities, and a more attractive price. With its advanced architecture, greater core count, and integrated graphics, it is better suited for gamers and creators alike. The Intel Core i7-7700K remains a solid choice for specific applications but falls short in overall performance and value. Therefore, for anyone looking to invest in a high-performance CPU, the AMD Ryzensets 9 9900X is the recommended option.
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