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The Ryzen 7 5700X is the simplest way to give an older AM4 PC more cores without changing the motherboard or memory. It has 8 cores and 16 threads at a 65W TDP, so it runs on the same B450, B550 and X570 boards and the DDR4 you already own, usually after a BIOS update. That makes it far cheaper than moving to AM5, where you also pay for a new board and DDR5. It is one of the best-selling CPUs on Amazon, with more than 11,000 ratings at 4.8 stars. There is no cooler in the box, so budget for one. Pick it to stretch an AM4 system for streaming, editing and modern games; if you play mostly games and can spend more, the 5800X3D's extra cache helps more.
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Last checked: Oct 16, 2026
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