Ryzen 7 3800X vs Core Ultra 7 165H benchmarks
Our benchmark analysis concludes that the Ryzen 7 3800X performs better than the Core Ultra 7 165H. Despite this, the Core Ultra 7 165H has the advantage in our gaming benchmark.
In terms of the number of cores of each of these CPUs, the Core Ultra 7 165H has significantly more cores than the Ryzen 7 3800X. Indeed, the Core Ultra 7 165H has 16 cores compared to 8 cores found in the Ryzen 7 3800X. It also has more threads than the Ryzen 7 3800X. Our comparison shows that the Ryzen 7 3800X has a significantly higher clock speed compared to the Core Ultra 7 165H. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 165H has significantly more L2 cache than the Ryzen 7 3800X. Despite this, the Ryzen 7 3800X has slightly more L3 cache compared to the Core Ultra 7 165H.
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 7 3800X has more threads than cores. Each physical core is split into multiple threads.
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