Ryzen 9 5980HX vs Core i5-14450HX

The Ryzen 9 5980HX packs 8 cores / 16 threads, while the Core i5-14450HX offers 10 cores / 16 threads — the Core i5-14450HX has 2 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5980HX versus 4.8 GHz on the Core i5-14450HX — identical boost frequencies (base: 3.3 GHz vs 2.4 GHz). The Ryzen 9 5980HX uses the Cezanne-HX (Zen 3) (2021) architecture (7 nm), while the Core i5-14450HX uses Raptor Lake-HX Refresh (2024) (Intel 7 nm). In PassMark, the Ryzen 9 5980HX scores 23,300 against the Core i5-14450HX's 23,557 — a 1.1% lead for the Core i5-14450HX. L3 cache: 16 MB (total) on the Ryzen 9 5980HX vs 20 MB (total) on the Core i5-14450HX.

The Ryzen 9 5980HX uses the FP6 socket (PCIe 3.0), while the Core i5-14450HX uses FCBGA1964 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR4-4266 on the Ryzen 9 5980HX versus DDR5-5600 on the Core i5-14450HX — the Core i5-14450HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-14450HX supports up to 192 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Ryzen 9 5980HX) vs 20 (Core i5-14450HX) — the Core i5-14450HX offers 4 more lanes for additional GPUs or NVMe drives.

Both processors feature an unlocked multiplier for overclocking. Only the Core i5-14450HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 5980HX) vs VT-x, VT-d (Core i5-14450HX). Both include integrated graphics — Radeon Graphics (8CU) (Ryzen 9 5980HX) and Intel UHD Graphics (Core i5-14450HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 9 5980HX targets Mobile High-End, Core i5-14450HX targets Mobile.