Core i5-12400F vs A6-3620

The Core i5-12400F packs 6 cores / 12 threads, while the A6-3620 offers 4 cores / 4 threads — the Core i5-12400F has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 2.5 GHz on the A6-3620 — a 55.1% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2.2 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the A6-3620 uses Llano (2011−2012) (32 nm). In PassMark, the Core i5-12400F scores 19,532 against the A6-3620's 1,877 — a 164.9% lead for the Core i5-12400F. Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 300, a 140% lead for the Core i5-12400F that directly translates to higher frame rates. L3 cache: 18 MB (total) on the Core i5-12400F vs 0 kB on the A6-3620.

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the A6-3620 uses FM1 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR3-1866 on the A6-3620 — the Core i5-12400F supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F 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: 20 (Core i5-12400F) vs 16 (A6-3620) — the Core i5-12400F offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and A55,A75 (A6-3620).

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs AMD-V (A6-3620). The A6-3620 includes integrated graphics (Radeon HD 6530D), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value, A6-3620 targets Budget Desktop. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; A6-3620 rivals Pentium G840.