AMD Phenom II X2 B55 is based on the Callisto architecture. The total of cores is 2 with the threads of 2. The operating base core clock is 3.00 GHz. Turbo-boost is No turbo (per-core). The technology node is 45nm. L2 Cache is , L3 Cache is 6.00 MB.
AMD Phenom II X2 B55 supports the socket type of AM3.
The supported type and memory clock is DDR2-1066 MHz. The maximum RAM capacity is . The date of release is - Q4/2009.