Athlon II X4 615e vs Core i5-10400F

The Athlon II X4 615e packs 4 cores / 4 threads, while the Core i5-10400F offers 6 cores / 12 threads — the Core i5-10400F has 2 more cores. Boost clocks reach 2.5 GHz on the Athlon II X4 615e versus 4.3 GHz on the Core i5-10400F — a 52.9% clock advantage for the Core i5-10400F (base: 2.5 GHz vs 2.9 GHz). The Athlon II X4 615e uses the Propus (2009−2011) architecture (45 nm), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Athlon II X4 615e scores 2,018 against the Core i5-10400F's 13,029 — a 146.4% lead for the Core i5-10400F. Cinebench R23 multi-core: 1,161 vs 8,191 (150.3% advantage for the Core i5-10400F). Geekbench 6 single-core — the metric most relevant to gaming — records 331 vs 1,454, a 125.8% lead for the Core i5-10400F that directly translates to higher frame rates. Multi-core Geekbench: 1,161 vs 5,783 (133.1% advantage for the Core i5-10400F). L3 cache: 0 kB on the Athlon II X4 615e vs 12 MB (total) on the Core i5-10400F.

The Athlon II X4 615e uses the AM3 socket (PCIe 2.0), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X4 615e versus DDR4-2666 on the Core i5-10400F — the Core i5-10400F supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-10400F supports up to 128 GB of RAM compared to 16 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: AMD 870,AMD 880G,AMD 890FX,AMD 990FX (Athlon II X4 615e) and H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F).

Only the Athlon II X4 615e has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (Athlon II X4 615e) vs VT-x, VT-d (Core i5-10400F). Primary use case: Athlon II X4 615e targets Gaming, Core i5-10400F targets Gaming. Direct competitor: Athlon II X4 615e rivals Intel Core 2 Quad Q8300; Core i5-10400F rivals Ryzen 5 3600.

At launch, the Athlon II X4 615e was priced at $186, while the Core i5-10400F came in at $160. On launch pricing ($186 vs $160), Core i5-10400F was $26 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X4 615e delivers 10.8 pts/$ vs 81.4 pts/$ for the Core i5-10400F — making the Core i5-10400F the 153% better value option.

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