Pentium 4 511 is a desktop processor from Intel released on 1 January 2005, and it is in end-of-life production status now. It belongs to Pentium 4 family and has a Prescott architecture. This processor is built on Intel Socket 775, and uses Gen 2 PCI express connection. 90 nm process is used in production.
Processor has 1 cores and 1 threads, with the base frequency of 2.8 GHz. It has DDR1, DDR2, DDR3 Dual-channel memory support. As for the cache, it supports L1 16K and L2 1MB.