In this CPU comparison, we compare the AMD Ryzen 7 5800X and the Intel Core i9-9900K and use benchmarks to check which processor is faster.
We compare the AMD Ryzen 7 5800X 8 core processor released in Q4/2020 with the Intel Core i9-9900K which has 8 CPU cores and was introduced in Q4/2018.
The AMD Ryzen 7 5800X is a 8 core processor with a clock frequency of 3.80 GHz (4.70 GHz). The processor can compute 16 threads at the same time. The Intel Core i9-9900K clocks with 3.60 GHz (5.00 GHz), has 8 CPU cores and can calculate 16 threads in parallel.
Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.
A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Up to 128 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 7 5800X, while the Intel Core i9-9900K supports a maximum of 128 GB of memory with a maximum memory bandwidth of 42.7 GB/s enabled.
The AMD Ryzen 7 5800X has a TDP of 105 W. The TDP of the Intel Core i9-9900K is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
The AMD Ryzen 7 5800X has 36.00 MB cache and is manufactured in 7 nm. The cache of Intel Core i9-9900K is at 16.00 MB. The processor is manufactured in 14 nm.
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The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
The two 8-core processors AMD Ryzen 7 5800X and Intel Core i9-9900K in direct comparison. Both desktop processors support Simultaneous Multi-Threading or Hyper-Threading and can process up to 16 threads at the same time.
The base clock of the AMD Ryzen 7 5800X is 3.8 GHz, the processor can reach up to 4.7 GHz in single-core load applications via turbo mode, and the processor can still reach 4.4 when all CPU cores are loaded Clocking GHz.
The Intel Core i9-9900K has a clock frequency of 3.6 GHz and can also adjust this dynamically via a turbo mode. With single core load up to 5 GHz and with full load still 4.7 GHz are possible. However, since the processor is still produced in 14 nm, Intel buys these high clock frequencies with massive energy consumption that is significantly higher than that of the AMD Ryzen 7 5800X.
The latter is already manufactured in 7 nm by TSMC and is significantly more economical. The TDP of the processors is 105 watts (AMD) to 95 watts (Intel). In practice, however, the TDP hardly plays a role and in the end the picture turns in favor of the AMD processor.
Due to the better raw IPC performance of the AMD Ryzen 7 5800X, it scores around 20 percent better than the Intel Core i9-9900K in both single-core and multi-core benchmarks. And that although the Intel processor is allowed to clock 300 MHz higher with 5 GHz.
The Intel Core i9-9900K has an iGPU (internal graphics) in the form of the Intel UHD Graphics 630. Although this is not very powerful, the processor can also be operated without a dedicated graphics card.
In terms of RAM, both processors are almost the same: the AMD Ryzen 7 5800X already supports DDR4-3200, while Intel gives the Intel Core i9-9900K a maximum of DDR4-2666 support along the way. In practice, however, the RAM can also be overclocked on the Intel Core i9-9900k and thus run much faster than officially stated.