> We've been "stuck" at the 3-5ghz range for something like half a decade It’s closer to two decades, actually. Pentium 4 (Northwood) reached 3.06 GHz in 2002,

> We've been "stuck" at the 3-5ghz range for something like half a decade It’s closer to two decades, actually. Pentium 4 (Northwood) reached 3.06 GHz in 2002, using 130 nm fabrication process.