The Intel Pentium E5400 was a desktop processor with 2 cores, launched in January 2009. It is part of the Pentium Dual-Core lineup, using the Wolfdale architecture with Socket 775. Pentium E5400 has 2 MB of L2 cache and operates at 2.7 GHz. Intel is building the Pentium E5400 on a 45 nm production process using 228 million transistors. The multiplier is locked on Pentium E5400, which limits its overclocking capabilities.
With a TDP of 65 W, the Pentium E5400 consumes typical power levels for a modern PC. Intel's processor supports DDR1, DDR2 and DDR3 memory with a dual-channel interface. For communication with other components in the system, Pentium E5400 uses a PCI-Express Gen 2 connection. Although the processor doesn't come with integrated graphics, certain motherboards with compatible chipsets can provide this capability.
The SSE4 instruction set is not supported, which can cause problems with modern games, as they require that capability.