Core i7-5600U vs Athlon II X4 651 specs and performance
In our benchmarks, the Athlon II X4 651 beats the Core i7-5600U in overall performance. Despite this, the Core i7-5600U has the advantage in our gaming benchmark.
With info from our database, we find that the Athlon II X4 651 has significantly more cores with 4 cores whereas the Core i7-5600U has 2 cores. But they both have the same number of threads. These CPUs have different clock speeds. Indeed, the Athlon II X4 651 has a slightly higher clock speed compared to the Core i7-5600U. The cache sizes of these CPUs are different. Indeed, the Athlon II X4 651 has significantly more L2 cache than the Core i7-5600U
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 i7-5600U has more threads than cores. Each physical core is split into multiple threads.
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