LGA 775/ Socket T
Pentium Dual Core E2220 2.40GHz Game Requirement AnalysisThe Intel Pentium Dual-Core brand refers to mainstream x86-architecture microprocessors from Intel. With the exception of a few early Yonah based mobile models, they are now all based on the 64-bit Core microarchitecture. Pentium Dual-Core lacks the SSE4.1 instruction found in the 45 nm Core 2 processors.
Source[ Wikipedia ]