Amazon.com: Intel Core I7-2600 I7 2600 Processor (8M Cache, 3.40 GHz) CPU LGA 1155 100% Working Properly PC Computer Desktop : Electronics
Amazon.com: Intel Core i5-12600K Desktop Processor with Integrated Graphics and 10 (6P+4E) Cores up to 4.9 GHz Unlocked LGA1700 600 Series Chipset 125W : Electronics
Gaming Performance - The Sandy Bridge Review: Intel Core i7-2600K, i5-2500K and Core i3-2100 Tested
R5 5600X matches i5-2600k in average gaming performance for over $100 less ( i5 12600k $320+$70 board premium vs R5 5600X $280 vs R7 5800X $300 at microcenter) : r/AyyMD