Core i5-6600T vs Core i5-4670K

Both the Core i5-6600T and Core i5-4670K share an identical 4-core/4-thread configuration. Boost clocks reach 3.5 GHz on the Core i5-6600T versus 3.8 GHz on the Core i5-4670K — a 8.2% clock advantage for the Core i5-4670K (base: 2.7 GHz vs 3.4 GHz). The Core i5-6600T uses the Skylake (2015−2016) architecture (14 nm), while the Core i5-4670K uses Haswell (2013−2015) (22 nm). In PassMark, the Core i5-6600T scores 5,565 against the Core i5-4670K's 5,584 — a 0.3% lead for the Core i5-4670K. Geekbench 6 single-core — the metric most relevant to gaming — records 1,175 vs 975, a 18.6% lead for the Core i5-6600T that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Core i5-6600T vs 6144 kB (total) on the Core i5-4670K.

The Core i5-6600T uses the LGA1151 socket (PCIe 3.0), while the Core i5-4670K uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Core i5-6600T versus DDR3-1600 on the Core i5-4670K — the Core i5-6600T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-6600T supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H110,B150,H170,Z170,Q150,Q170,B250,Q250,H270,Z270 (Core i5-6600T) and Z87,Z97 (Core i5-4670K).

Only the Core i5-4670K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i5-6600T) vs VT-x, EPT (Core i5-4670K). Both include integrated graphics — HD Graphics 530 (Core i5-6600T) and HD Graphics 4600 (Core i5-4670K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-6600T targets Office, Core i5-4670K targets Gaming Desktop. Direct competitor: Core i5-6600T rivals AMD Athlon II X4 640; Core i5-4670K rivals FX-9370.

The Core i5-6600T launched at $213 MSRP, while the Core i5-4670K debuted at $328. At current prices ($35 vs $200), the Core i5-6600T is $165 cheaper. In terms of value (PassMark points per dollar), the Core i5-6600T delivers 159.0 pts/$ vs 27.9 pts/$ for the Core i5-4670K — making the Core i5-6600T the 140.3% better value option.