Intel® Core™ i7-12700F Desktop Processor 25M Cache vs Intel Core i9-9900KF 3.6 GHz Eight-Core LGA 1151 Processor
Updated August 2026 — The Intel® Core™ i7-12700F offers better multi-threaded performance and value, while the Intel Core i9-9900KF excels in single-threaded tasks.
The Intel® Core™ i7-12700F offers better multi-threaded performance and value, while the Intel Core i9-9900KF excels in single-threaded tasks.
Why Intel® Core™ i7-12700F Desktop Processor 25M Cache is better
core count
i7-12700F has 12 cores vs i9-9900KF's 8 cores
threads
i7-12700F has 20 threads vs i9-9900KF's 16 threads
price
i7-12700F is £19.03 cheaper than i9-9900KF
Why Intel Core i9-9900KF 3.6 GHz Eight-Core LGA 1151 Processor is better
clock speed
i9-9900KF has a higher base clock speed of 3.6 GHz
turbo frequency
i9-9900KF can reach 5.0 GHz turbo frequency
cooler included
i9-9900KF includes a CPU cooler
Overall score
Specifications
| Spec | Intel® Core™ i7-12700F Desktop Processor 25M Cache | Intel Core i9-9900KF 3.6 GHz Eight-Core LGA 1151 Processor |
|---|---|---|
| Brand | Intel | Intel |
| Architecture | Hybrid | Traditional |
| Memory Support | DDR4 | DDR4-2666 |
| Max Turbo | 4.9 GHz | 5.0 GHz |
| Included Cooler | No | Yes |
Dimension comparison
Overview of the Intel® Core™ i7-12700F and Intel Core i9-9900KF
The Intel® Core™ i7-12700F is priced at £245.97, while the Intel Core i9-9900KF is slightly more expensive at £265.00. Both processors are designed for performance, but they cater to different needs and budgets.
The i7-12700F boasts 12 cores, comprising 8 performance cores (P-cores) and 4 efficiency cores (E-cores), with a total of 20 threads. This design allows it to handle multitasking and demanding applications efficiently. In contrast, the i9-9900KF has 8 cores and 16 threads, with a base clock speed of 3.6 GHz and a maximum turbo frequency of 5.0 GHz. This slight difference in core count and architecture can significantly impact performance, particularly in multi-threaded applications.
Performance Comparison
In terms of performance, the Intel® Core™ i7-12700F has a more advanced architecture with its hybrid design of P-cores and E-cores, allowing it to excel in both single-threaded and multi-threaded tasks. The P-core base frequency of 2.1 GHz and the ability to reach up to 4.9 GHz under load is particularly impressive, making it suitable for gaming and content creation alike.
The Intel Core i9-9900KF, while a strong performer with its 3.6 GHz base clock and a turbo frequency of 5.0 GHz, may not match the i7-12700F's performance in heavily threaded applications. The additional cores of the i7-12700F can lead to better performance in scenarios such as video editing or rendering, where parallel processing is beneficial.
Gaming Performance
For gaming, the Intel Core i9-9900KF has a slight edge due to its higher base and turbo clock speeds. Its 5.0 GHz maximum turbo frequency offers excellent performance in gaming scenarios where single-threaded performance can significantly influence frame rates.
However, the Intel® Core™ i7-12700F's architecture allows it to handle modern games that also utilise multi-threading more efficiently. As gaming continues to evolve, the additional cores and threads of the i7-12700F may provide better longevity for future titles that take advantage of multi-core processors.
Thermal Management and Power Consumption
Thermal management is crucial for any processor. The Intel® Core™ i7-12700F is designed to operate efficiently, thanks to its hybrid architecture, which can result in lower overall power consumption compared to traditional designs. This efficiency means it generates less heat under typical workloads, making it easier to cool.
The Intel Core i9-9900KF, while powerful, can consume more power, especially when running at its maximum turbo frequency. This can lead to increased thermal output, necessitating robust cooling solutions to maintain optimal performance. Users should consider their cooling options when choosing between these two processors.
Memory Support and Compatibility
Both processors support dual-channel DDR4 memory, but the Intel Core i9-9900KF is specifically designed to work with DDR4-2666 memory. This means it can take advantage of faster memory configurations available in the market, offering potential performance benefits.
The Intel® Core™ i7-12700F does not specify a maximum memory speed in the provided data, but its architecture is likely to support higher memory speeds, which can improve performance in memory-intensive applications. Compatibility with Intel Optane memory makes the i9-9900KF a compelling choice for users looking to enhance their system's responsiveness.
Price Considerations
At £245.97, the Intel® Core™ i7-12700F presents a more budget-friendly option compared to the £265.00 Intel Core i9-9900KF. While the price difference is approximately £19.03, the i7-12700F’s additional cores and advanced architecture may justify the investment for users requiring high-performance computing.
For users who primarily engage in gaming or require high clock speeds for specific applications, the Intel Core i9-9900KF might be worth the extra cost. However, for those seeking a well-rounded processor for both gaming and productivity, the i7-12700F offers an excellent balance of performance and value.
User Experience and Integration
Both processors are from Intel and are designed with similar integration capabilities, making them suitable for a wide range of motherboards. The i7-12700F, with its newer architecture, may support more advanced features in the latest motherboards, potentially providing better connectivity options and future-proofing.
User experience can also be influenced by the cooling solutions compatible with each processor. The i9-9900KF comes with a CPU cooler, making it easier for users to set up their systems without additional purchases. However, the i7-12700F's efficient design may lead to quieter operation during typical workloads.
Which should you buy?
Choosing between the Intel® Core™ i7-12700F and the Intel Core i9-9900KF depends on your specific needs. If you require a processor that excels in multi-threaded applications and offers a better price-to-performance ratio, the i7-12700F is the clear choice at £245.97. Its hybrid architecture and additional cores make it suitable for both gaming and productivity tasks.
On the other hand, if your primary focus is gaming and you want the highest clock speeds available, the Intel Core i9-9900KF at £265.00 might be more appealing. Its strong single-threaded performance and compatibility with faster memory make it a robust option for gamers.
Ultimately, your choice should align with your usage patterns, budget, and performance expectations.
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