What is cpu?

The world's first CPU was introduced by Intel in 1971. The Intel 4004 was a 4-bit CPU, clocked at 740 KHz and capable of executing up to 92,600 instructions per second. Five months after the Intel 4004, the Intel 8008 was introduced. This was the world's first 8-bit microprocessor.Overclocking Gamer's Pick.

The Core i5-4690K's base clock rate is only 200 MHz faster than the Core i5-4590's. However, the K-series' unlocked multiplier is a must-have for overclockers looking to unleash significant performance improvements. It is for this reason alone that you'll want to consider shelling out an additional $50 beyond Intel's more entry-level Core i5. If you don't plan to overclock, there's no reason to spend any more than $190 on the Core i5-4460. The best cpu is the Intel Core i7-5930K Haswell-E 6-Core 3.5GHz LGA 2011-v3 140W Desktop Processor BX80648I75930K that costs £637.99

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