Core Ultra 7 256V vs Core i5-11600K

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

The Core Ultra 7 256V uses the FCBGA2833 socket (PCIe 5.0), while the Core i5-11600K uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5x 8533 MT/s on the Core Ultra 7 256V versus DDR4-3200 on the Core i5-11600K — 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: 8 (Core Ultra 7 256V) vs 20 (Core i5-11600K) — the Core i5-11600K offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Lunar Lake (Core Ultra 7 256V) and Intel 500 series,Intel 400 series (Core i5-11600K).

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: true (Core Ultra 7 256V) vs VT-x, VT-d (Core i5-11600K). Both include integrated graphics — Intel Arc Graphics 140V (Core Ultra 7 256V) and UHD Graphics 750 (Core i5-11600K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core Ultra 7 256V targets Mobile, Core i5-11600K targets Desktop.

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