Ryzen 7 7800X3D vs Core i3-8300

The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the Core i3-8300 offers 4 cores / 4 threads — the Ryzen 7 7800X3D has 4 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 3.7 GHz on the Core i3-8300 — a 29.9% clock advantage for the Ryzen 7 7800X3D (base: 4.4 GHz vs 3.7 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Core i3-8300 uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Core i3-8300's 6,370 — a 137.3% lead for the Ryzen 7 7800X3D. Geekbench 6 single-core — the metric most relevant to gaming — records 2,700 vs 1,327, a 68.2% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 8 MB (total) on the Core i3-8300.

The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the Core i3-8300 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 7 7800X3D versus DDR4-2400 on the Core i3-8300 — the Ryzen 7 7800X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Ryzen 7 7800X3D) vs 16 (Core i3-8300) — the Ryzen 7 7800X3D offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D) and H310,B360,H370,Q370,Z370,Z390 (Core i3-8300).

Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 7 7800X3D) vs VT-x, VT-d, EPT (Core i3-8300). Both include integrated graphics — AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) and UHD Graphics 630 (Core i3-8300) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming, Core i3-8300 targets Mainstream Desktop. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K; Core i3-8300 rivals Ryzen 3 2300X.

The Ryzen 7 7800X3D launched at $449 MSRP, while the Core i3-8300 debuted at $138. At current prices ($384 vs $136), the Core i3-8300 is $248 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 7800X3D delivers 89.3 pts/$ vs 46.8 pts/$ for the Core i3-8300 — making the Ryzen 7 7800X3D the 62.4% better value option.