Full Details from Amazon.com : http://www.amazon.com/gp/product/B000GGOKXG?tag=onigi-20
Intel Core 2 Duo E6400 Dual-Core Processor 2.13 GHz 2M L2 Cache LGA775
Power-optimized dual-core technology and exceptional energy efficiency excels running the most intense applications
213 GHz processor speed
2 MB L2 cache
1066 MHz front side bus
Enhanced Intel SpeedStep technology