Intel Xeon E5-2666 v3 vs Intel Core i5-1245U

Xeon E5-2666 v3 vs Core i5-1245U comparison

According to the hardwareDB Benchmark tool, the Xeon E5-2666 v3 is faster than the Core i5-1245U. Despite this, the Core i5-1245U has the advantage in our gaming benchmark.

When comparing these CPUs we notice that they have the same number of cores but the Xeon E5-2666 v3 has more threads. These CPUs have different clock speeds. Indeed, the Xeon E5-2666 v3 has a significantly higher clock speed compared to the Core i5-1245U. The cache sizes of these CPUs are different. Indeed, the Core i5-1245U has significantly 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 i5-1245U.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Xeon E5-2666 v3 has more threads than cores. Each physical core is split into multiple threads.