When purchasing CPUs for servers, consider the following items:
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Number of cores: Multi-core processors can run multiple instructions simultaneously, increasing overall speed for programs amenable to parallel computing, such as OnBase.
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Bus speed: Faster bus speeds ensure faster transfers from the memory to the processor and peripherals.
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CPU cache: Larger CPU cashes reduce the number of cache misses. In some circumstances, cache misses may cause servers to slow down.
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Clock speed: Higher clock speeds increase the speed of data transfers to and from the CPU.
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Generation: Assuming the same clock speed, bus speed, and cache size, newer generation CPUs are generally faster than previous generations of the same brand.