AMD Ryzen 5 3400G Processor vs Intel Core i9-9900KF 3.6 GHz Eight-Core LGA 1151 Processor
Updated August 2026 — The Intel Core i9-9900KF outperforms the AMD Ryzen 5 3400G in processing power and multitasking capabilities, making it the better choice for demanding applications.
The Intel Core i9-9900KF outperforms the AMD Ryzen 5 3400G in processing power and multitasking capabilities, making it the better choice for demanding applications.
Why AMD Ryzen 5 3400G Processor is better
price
AMD Ryzen 5 3400G is significantly cheaper at £109.99
TDP
AMD Ryzen 5 3400G has a lower TDP of 65W
integrated graphics
AMD Ryzen 5 3400G offers decent integrated graphics performance
Why Intel Core i9-9900KF 3.6 GHz Eight-Core LGA 1151 Processor is better
core count
Intel Core i9-9900KF has 8 cores vs 4 cores
clock speed
Intel Core i9-9900KF can turbo boost up to 5.0 GHz
multitasking
Intel Core i9-9900KF supports better multitasking with 16 threads
Overall score
Specifications
| Spec | AMD Ryzen 5 3400G Processor | Intel Core i9-9900KF 3.6 GHz Eight-Core LGA 1151 Processor |
|---|---|---|
| Cores | 4 | 8 |
| Threads | 8 | 16 |
| Base Clock | 3.7 GHz | 3.6 GHz |
| Max Turbo | 4.2 GHz | 5.0 GHz |
| TDP | 65W | unknown |
Dimension comparison
Introduction to the CPUs
In this comparison, we examine the AMD Ryzen 5 3400G Processor and the Intel Core i9-9900KF. Each CPU has distinct strengths that cater to different computing needs. The AMD Ryzen 5 3400G is priced at £109.99, while the Intel Core i9-9900KF commands a higher price of £265.00. Understanding the features and specifications of both processors will help you make an informed choice.
Performance Analysis
The AMD Ryzen 5 3400G features 4 cores and 8 threads, with a maximum boost clock of 4.2 GHz. In contrast, the Intel Core i9-9900KF offers superior performance with 8 cores and 16 threads, and a base clock speed of 3.6 GHz that can turbo boost up to 5.0 GHz. This significant difference in core and thread count indicates that the Intel processor is better suited for multitasking and demanding applications, providing a robust performance advantage for users who require high computational power.
Thermal Design Power (TDP)
The AMD Ryzen 5 3400G has a thermal design power (TDP) of 65W, making it a more energy-efficient option compared to the Intel Core i9-9900KF, which does not specify its TDP but typically operates at a higher wattage due to its advanced capabilities. The lower TDP of the Ryzen processor means it can run cooler and quieter, potentially reducing the need for extensive cooling solutions, which can be a critical consideration in compact builds or quieter environments.
Integrated Graphics
A notable feature of the AMD Ryzen 5 3400G is its integrated graphics capabilities, which allow for decent gaming performance without the need for a dedicated graphics card. This makes it an attractive option for budget-conscious gamers or users who need a capable processor for casual gaming. In contrast, while the Intel Core i9-9900KF also comes with integrated graphics, its primary strength lies in raw processing power, making it less appealing for users who might prioritize integrated graphics performance.
Compatibility and Upgrade Path
The AMD Ryzen 5 3400G is compatible with both 500 and 400 chipset series AM4 motherboards, providing flexibility and options for users looking to upgrade their systems. This compatibility can lead to cost savings as users may not need to replace their motherboard when upgrading. On the other hand, the Intel Core i9-9900KF uses the LGA 1151 socket, which may have more limited motherboard options, especially as newer generations of Intel processors are released. This could potentially limit future upgrades for users who want to keep their system current.
Cooling Solutions
Both processors come with their cooling solutions, with the AMD Ryzen 5 3400G including a Wraith Spire Cooler and the Intel Core i9-9900KF also being supplied with a CPU cooler. However, the effectiveness of these coolers can vary based on the usage scenario. The Ryzen processor's lower power consumption might make the included cooler adequate for most users, while those opting for the Intel processor should consider investing in a more robust cooling solution, especially if they plan to overclock for enhanced performance.
Gaming and Content Creation
For gaming enthusiasts, the AMD Ryzen 5 3400G offers a solid entry point with its integrated graphics, making it a viable option for light gaming. However, for serious gamers or content creators, the Intel Core i9-9900KF's higher core count and clock speeds make it a powerhouse choice for handling demanding applications and multitasking scenarios. Its 5.0 GHz maximum turbo frequency can provide a significant edge in high-performance gaming and rendering tasks, appealing to those who require both speed and efficiency.
Which should you buy?
Choosing between the AMD Ryzen 5 3400G and the Intel Core i9-9900KF ultimately depends on your specific needs and budget. If your primary focus is on budget-friendly performance and integrated graphics, the AMD Ryzen 5 3400G at £109.99 is a compelling choice. However, for users seeking top-tier performance in gaming and content creation, the Intel Core i9-9900KF at £265.00 offers superior processing power and multitasking capabilities. Assessing your usage requirements will guide you to the right decision.
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