Core i7-7660U vs Xeon L5520 specs and performance
According to the hardwareDB Benchmark tool, the Xeon L5520 is faster than the Core i7-7660U. Despite this, the Core i7-7660U has the advantage in our gaming benchmark.
In terms of the number of cores of each of these CPUs, the Xeon L5520 has significantly more cores than the Core i7-7660U. Indeed, the Xeon L5520 has 4 cores compared to 2 cores found in the Core i7-7660U. It also has more threads than the Core i7-7660U. These CPUs have different clock speeds. Indeed, the Core i7-7660U has a slightly higher clock speed compared to the Xeon L5520. Also, the Core i7-7660U has a significantly higher turbo speed. A Core i7-7660U CPU outputs less heat than a Xeon L5520 CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.
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 Core i7-7660U has more threads than cores. Each physical core is split into multiple threads.
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