AMD Athlon II X4 651 vs AMD Athlon II X4 640

Athlon II X4 651 vs Athlon II X4 640 benchmarks

In our benchmarks, the Athlon II X4 640 beats the Athlon II X4 651 in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Athlon II X4 651 in all gaming tests too.

When comparing these CPUs we notice that they have the same number of cores and the same number of threads. In terms of clock speed, the Athlon II X4 651 and Athlon II X4 640 are identical in this regard. In terms of cache, the Athlon II X4 651 has significantly more L2 cache when compared to the Athlon II X4 640

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. For instance, the Athlon II X4 651 has the same number of threads as cores. This means the the CPU does not support hyperthreading.