Intel Core i7-7700K vs Intel Xeon E5-2666 v3

Core i7-7700K vs Xeon E5-2666 v3 benchmarks

In our benchmarks, the Xeon E5-2666 v3 beats the Core i7-7700K in overall performance. Despite this, the Core i7-7700K 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 i7-7700K that has 4 cores. It also has more threads than the Core i7-7700K. These CPUs have different clock speeds. Indeed, the Core i7-7700K has a significantly higher clock speed compared to the Xeon E5-2666 v3. In terms of cache, the Xeon E5-2666 v3 has significantly more L2 cache when compared to the Core i7-7700K. 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. Indeed, the Core i7-7700K has more threads than cores. Each physical core is split into multiple threads.