Core i9-10940X vs Core i5-14490F

The Core i9-10940X packs 14 cores / 28 threads, while the Core i5-14490F offers 10 cores / 16 threads — the Core i9-10940X has 4 more cores. Boost clocks reach 4.8 GHz on the Core i9-10940X versus 5 GHz on the Core i5-14490F — a 4.1% clock advantage for the Core i5-14490F (base: 3.3 GHz vs 2.5 GHz). The Core i9-10940X uses the Cascade Lake-X (2019) architecture (14 nm), while the Core i5-14490F uses Raptor Lake-R (2023−2025) (10 nm). In PassMark, the Core i9-10940X scores 27,684 against the Core i5-14490F's 27,621 — a 0.2% lead for the Core i9-10940X. Cinebench R23 multi-core: 19,000 vs 2,510 (153.3% advantage for the Core i9-10940X). Geekbench 6 single-core — the metric most relevant to gaming — records 1,450 vs 2,600, a 56.8% lead for the Core i5-14490F that directly translates to higher frame rates. Multi-core Geekbench: 11,000 vs 12,000 (8.7% advantage for the Core i5-14490F). L3 cache: 19.25 MB (total) on the Core i9-10940X vs 24 MB (total) on the Core i5-14490F.

The Core i9-10940X uses the LGA2066 socket (PCIe 3.0), while the Core i5-14490F uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2933 on the Core i9-10940X versus DDR5-4800, DDR4-3200 on the Core i5-14490F — the Core i5-14490F supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-10940X supports up to 256 GB of RAM compared to 192 GB — 28.6% more capacity for professional workloads. Memory channels: 4 (Core i9-10940X) vs 2 (Core i5-14490F). PCIe lanes: 48 (Core i9-10940X) vs 20 (Core i5-14490F) — the Core i9-10940X offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X299 (Core i9-10940X) and H610,B660,Z690,B760,Z790 (Core i5-14490F).

Only the Core i9-10940X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Core i9-10940X supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Core i9-10940X targets High-End Desktop, Core i5-14490F targets Mid-Range. Direct competitor: Core i5-14490F rivals Ryzen 5 7600.

The Core i9-10940X launched at $784 MSRP, while the Core i5-14490F debuted at $209. At current prices ($460 vs $190), the Core i5-14490F is $270 cheaper. In terms of value (PassMark points per dollar), the Core i9-10940X delivers 60.2 pts/$ vs 145.4 pts/$ for the Core i5-14490F — making the Core i5-14490F the 82.9% better value option.