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PC Building / 4 min /

How many CPU cores do games need? Cores, clock speed and cache explained

Processor boxes shout about core counts, but most games can only spread so much work across cores. Learn what cores, clock speed and cache each do, and try a frame budget simulator to see when more cores help and when they just sit idle.

Then find out when your graphics card is the real limit, and what to look for at entry, mid and high budgets.

Eight CPU core blocks: one fully busy core in coral, three partly busy, four idle

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