Athlon II X2 280 vs Core i5-13400F

The Athlon II X2 280 packs 2 cores / 2 threads, while the Core i5-13400F offers 10 cores / 16 threads — the Core i5-13400F has 8 more cores. Boost clocks reach 3.6 GHz on the Athlon II X2 280 versus 4.6 GHz on the Core i5-13400F — a 24.4% clock advantage for the Core i5-13400F (base: 3.6 GHz vs 2.5 GHz). The Athlon II X2 280 uses the Regor (2009−2013) architecture (45 nm), while the Core i5-13400F uses Raptor Lake-S (2023−2024) (Intel 7 nm). In PassMark, the Athlon II X2 280 scores 1,355 against the Core i5-13400F's 25,029 — a 179.5% lead for the Core i5-13400F. Geekbench 6 single-core — the metric most relevant to gaming — records 290 vs 2,407, a 157% lead for the Core i5-13400F that directly translates to higher frame rates. Multi-core Geekbench: 550 vs 11,408 (181.6% advantage for the Core i5-13400F). L3 cache: 0 kB on the Athlon II X2 280 vs 20 MB (total) on the Core i5-13400F.

The Athlon II X2 280 uses the AM3 socket (PCIe 2.0), while the Core i5-13400F uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X2 280 versus DDR5-4800, DDR4-3200 on the Core i5-13400F — the Core i5-13400F supports 260.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-13400F supports up to 192 GB of RAM compared to 16 GB — 1100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X2 280) vs 20 (Core i5-13400F) — the Core i5-13400F offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 870,880G,890GX,890FX,970,990X,990FX (Athlon II X2 280) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-13400F).

Neither processor supports overclocking. Virtualization support: AMD-V (Athlon II X2 280) vs VT-x, VT-d (Core i5-13400F). Primary use case: Athlon II X2 280 targets Legacy Desktop, Core i5-13400F targets Gaming. Direct competitor: Athlon II X2 280 rivals Pentium E6700; Core i5-13400F rivals Ryzen 5 7600.

At launch, the Athlon II X2 280 was priced at $50, while the Core i5-13400F came in at $196. On launch pricing ($50 vs $196), Athlon II X2 280 was $146 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X2 280 delivers 27.1 pts/$ vs 127.7 pts/$ for the Core i5-13400F — making the Core i5-13400F the 130% better value option.

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