Xeon E5-2666 v3 vs Core Ultra 7 256V specs and performance
Our benchmark analysis concludes that the Core Ultra 7 256V performs better than the Xeon E5-2666 v3. Furthermore, our gaming benchmark shows that it also outperforms the Xeon E5-2666 v3 in all gaming tests too.
When comparing core counts for these CPUs, we notice that the Xeon E5-2666 v3 has slightly more cores with 10 cores compared to the Core Ultra 7 256V that has 8 cores. It also has more threads than the Core Ultra 7 256V. With our hardware info, we find that the Xeon E5-2666 v3 has a slightly higher clock speed than the Core Ultra 7 256V. The info from our database shows that the Core Ultra 7 256V has more L2 cache than the Xeon E5-2666 v3. Despite this, the Xeon E5-2666 v3 has significantly more L3 cache compared to the Core Ultra 7 256V.
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 Xeon E5-2666 v3 has more threads than cores. Each physical core is split into multiple threads.
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