Which one of the central processing units is better: AMD Phenom II X4 975 or AMD Phenom II X2 550? On this page we compare the technical data and benchmark results of different CPUs.
The AMD Phenom II X4 975 has 4 cores and 4 threads with maximum working frequency of No turbo. The AMD Phenom II X4 975 was released on Q1/2011.
The AMD Phenom II X2 550 has 2 cores with 4 threads and No turbo of frequency. The AMD Phenom II X2 550 was released on Q4/2009.