Which one of the central processing units is better: AMD Athlon II X4 651K or AMD Athlon II X4 620? On this page we compare the technical data and benchmark results of different CPUs.
The AMD Athlon II X4 651K has cores and threads with maximum working frequency of . The AMD Athlon II X4 651K was released on Q4/2011.
The AMD Athlon II X4 620 has cores with threads and of frequency. The AMD Athlon II X4 620 was released on Q3/2009.