Athlon II X4 640 vs Athlon X4 860K specs and performance
In our benchmarks, the Athlon X4 860K beats the Athlon II X4 640 in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Athlon II X4 640 in all gaming tests too.
In terms of the number of cores of each of these CPUs, the Athlon II X4 640 has significantly more cores than the Athlon X4 860K. Indeed, the Athlon II X4 640 has 4 cores compared to 2 cores found in the Athlon X4 860K. But they both have the same number of threads. With our hardware info, we find that the Athlon X4 860K has a slightly higher clock speed than the Athlon II X4 640. The cache sizes of these CPUs are different. Indeed, the Athlon X4 860K has significantly more L2 cache than the Athlon II X4 640
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. For instance, the Athlon II X4 640 has the same number of threads as cores. This means the the CPU does not support hyperthreading.
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