Core i7-8700K vs Core i5-1245U comparison
In our benchmarks, the Core i7-8700K beats the Core i5-1245U in overall performance. Despite this, the Core i5-1245U has the advantage in our gaming benchmark.
When comparing core counts for these CPUs, we notice that the Core i5-1245U has significantly more cores with 10 cores compared to the Core i7-8700K that has 6 cores. But they both have the same number of threads. These CPUs have different clock speeds. Indeed, the Core i7-8700K 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 Core i7-8700K. However, both these chips have the same amount of L3 cache.
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 Core i7-8700K has more threads than cores. Each physical core is split into multiple threads.
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