Ryzen 9 5900X vs Core Ultra 9 285K benchmarks
In our benchmarks, the Core Ultra 9 285K beats the Ryzen 9 5900X in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 5900X in all gaming tests too.
When comparing core counts for these CPUs, we notice that the Core Ultra 9 285K has significantly more cores with 24 cores compared to the Ryzen 9 5900X that has 12 cores. But they both have the same number of threads. In terms of clock speed, the Ryzen 9 5900X and Core Ultra 9 285K are identical in this regard. Despite this, the Core Ultra 9 285K has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core Ultra 9 285K has significantly more L2 cache than the Ryzen 9 5900X. Despite this, the Ryzen 9 5900X has significantly more L3 cache compared to the Core Ultra 9 285K.
Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Ryzen 9 5900X has more threads than cores. Each physical core is split into multiple threads.
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