Intel Core i5-9400F vs Intel Xeon E5-2666 v3

Core i5-9400F vs Xeon E5-2666 v3 specs and performance

According to the hardwareDB Benchmark tool, the Xeon E5-2666 v3 is faster than the Core i5-9400F. Despite this, the Core i5-9400F has the advantage in our gaming benchmark.

When comparing core counts for these CPUs, we notice that the Xeon E5-2666 v3 has significantly more cores with 10 cores compared to the Core i5-9400F that has 6 cores. It also has more threads than the Core i5-9400F. Our comparison shows that the Xeon E5-2666 v3 has a slightly higher clock speed compared to the Core i5-9400F. The cache sizes of these CPUs are different. Indeed, the Xeon E5-2666 v3 has significantly more L2 cache than the Core i5-9400F. The Xeon E5-2666 v3 also has significantly more L3 cache.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. For instance, the Core i5-9400F has the same number of threads as cores. This means the the CPU does not support hyperthreading.