Core i5-11600K vs Core Ultra 7 256V

The Core i5-11600K packs 6 cores / 12 threads, while the Core Ultra 7 256V offers 8 cores / 8 threads — the Core Ultra 7 256V has 2 more cores. Boost clocks reach 4.9 GHz on the Core i5-11600K versus 4.8 GHz on the Core Ultra 7 256V — a 2.1% clock advantage for the Core i5-11600K (base: 3.9 GHz vs 2.2 GHz). The Core i5-11600K uses the Rocket Lake (2021) architecture (14 nm), while the Core Ultra 7 256V uses Lunar Lake (2024) (3 nm). In PassMark, the Core i5-11600K scores 19,520 against the Core Ultra 7 256V's 19,579 — a 0.3% lead for the Core Ultra 7 256V. Both processors carry 12 MB (total) of L3 cache.

The Core i5-11600K uses the LGA1200 socket (PCIe 4.0), while the Core Ultra 7 256V uses FCBGA2833 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i5-11600K versus LPDDR5x 8533 MT/s on the Core Ultra 7 256V — the Core Ultra 7 256V supports 200% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-11600K supports up to 128 GB of RAM compared to 16 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-11600K) vs 8 (Core Ultra 7 256V) — the Core i5-11600K offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 500 series,Intel 400 series (Core i5-11600K) and Lunar Lake (Core Ultra 7 256V).

Only the Core i5-11600K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Core i5-11600K supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i5-11600K) vs true (Core Ultra 7 256V). Both include integrated graphics — UHD Graphics 750 (Core i5-11600K) and Intel Arc Graphics 140V (Core Ultra 7 256V) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-11600K targets Desktop, Core Ultra 7 256V targets Mobile.

The Core i5-11600K launched at $262 MSRP, while the Core Ultra 7 256V debuted at $450. At current prices ($170 vs $350), the Core i5-11600K is $180 cheaper. In terms of value (PassMark points per dollar), the Core i5-11600K delivers 114.8 pts/$ vs 55.9 pts/$ for the Core Ultra 7 256V — making the Core i5-11600K the 69% better value option.