Core i5-2500 vs Core i5-2500K

Both the Core i5-2500 and Core i5-2500K share an identical 4-core/4-thread configuration. Boost clocks reach 3.7 GHz on the Core i5-2500 versus 3.7 GHz on the Core i5-2500K — identical boost frequencies (base: 3.3 GHz vs 3.3 GHz). Both are built on the Sandy Bridge (2011−2013) architecture using a 32 nm process. In PassMark, the Core i5-2500 scores 4,102 against the Core i5-2500K's 4,141 — a 0.9% lead for the Core i5-2500K. Cinebench R23 multi-core: 2,642 vs 3,200 (19.1% advantage for the Core i5-2500K). Geekbench 6 single-core — the metric most relevant to gaming — records 590 vs 684, a 14.8% lead for the Core i5-2500K that directly translates to higher frame rates. Multi-core Geekbench: 1,690 vs 2,032 (18.4% advantage for the Core i5-2500K). L3 cache: 6144 kB (total) on the Core i5-2500 vs 6 MB (total) on the Core i5-2500K.

Both processors use the LGA1155 socket with PCIe 2.0. Both support up to DDR3-1333 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H61,H67,P67,Z68,B75,Z77 (Core i5-2500) and P67,Z68,Z77 (Core i5-2500K).

Only the Core i5-2500K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d, EPT (Core i5-2500) vs VT-x (Core i5-2500K). Both include integrated graphics — Intel HD Graphics 2000 (Core i5-2500) and HD Graphics 3000 (Core i5-2500K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-2500 targets Desktop, Core i5-2500K targets Gaming. Direct competitor: Core i5-2500K rivals FX-6300.

The Core i5-2500 launched at $294 MSRP, while the Core i5-2500K debuted at $225. At current prices ($69 vs $35), the Core i5-2500K is $34 cheaper. In terms of value (PassMark points per dollar), the Core i5-2500 delivers 59.4 pts/$ vs 118.3 pts/$ for the Core i5-2500K — making the Core i5-2500K the 66.2% better value option.