10. Intel 2.9GHz Pentium G2020
The Pentium brand is still alive and well at Intel. The company's Pentium G2020 dual-core processor, launched in the first quarter of 2013, comes with a 512-KB Level 2 cache and a maximum of 32 GB of memory. The 64-bit chip also comes with Intel HD Graphics support. The boxed version of the Pentium G2020 is listed for $64.