Core i5-14450HX vs Ryzen 7 7800X3D

The Core i5-14450HX packs 10 cores / 16 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Core i5-14450HX has 2 more cores. Boost clocks reach 4.8 GHz on the Core i5-14450HX versus 5 GHz on the Ryzen 7 7800X3D — a 4.1% clock advantage for the Ryzen 7 7800X3D (base: 2.4 GHz vs 4.4 GHz). The Core i5-14450HX uses the Raptor Lake-HX Refresh (2024) architecture (Intel 7 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i5-14450HX scores 23,557 against the Ryzen 7 7800X3D's 34,293 — a 37.1% lead for the Ryzen 7 7800X3D. L3 cache: 20 MB (total) on the Core i5-14450HX vs 96 MB (total) on the Ryzen 7 7800X3D.

The Core i5-14450HX uses the FCBGA1964 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i5-14450HX versus DDR5-5200 on the Ryzen 7 7800X3D — the Core i5-14450HX supports 7.7% 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 128 GB — 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-14450HX) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 8 more lanes for additional GPUs or NVMe drives.

Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core i5-14450HX) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics — Intel UHD Graphics (Core i5-14450HX) and AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-14450HX targets Mobile, Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.