Intel Core 2 Extreme QX6850: specs and benchmarks
This is Kentsfield architecture desktop processor primarily aimed at home systems. It has 4 cores and 4 threads, and is based on 65 nm manufacturing technology, with a maximum frequency of 3000 and a locked multiplier.
Compatibility-wise, this is processor with a TDP of 130 Watt.
It provides good benchmark performance at 29.00 percent of a leader's which is AMD Ryzen 9 3900X.