Core i5-580M vs Athlon II X3 460

The Core i5-580M packs 2 cores / 4 threads, while the Athlon II X3 460 offers 3 cores / 3 threads — the Athlon II X3 460 has 1 more core. Boost clocks reach 3.33 GHz on the Core i5-580M versus 3.4 GHz on the Athlon II X3 460 — a 2.1% clock advantage for the Athlon II X3 460 (base: 2.66 GHz vs 3.4 GHz). The Core i5-580M uses the Arrandale (2010−2011) architecture (32 nm), while the Athlon II X3 460 uses Rana (2009−2011) (45 nm). In PassMark, the Core i5-580M scores 1,983 against the Athlon II X3 460's 1,965 — a 0.9% lead for the Core i5-580M. Geekbench 6 single-core — the metric most relevant to gaming — records 445 vs 384, a 14.7% lead for the Core i5-580M that directly translates to higher frame rates. L3 cache: 3 MB (total) on the Core i5-580M vs 0 kB on the Athlon II X3 460.

The Core i5-580M uses the PGA988 socket (PCIe 2.0), while the Athlon II X3 460 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. The Athlon II X3 460 supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-580M) vs 0 (Athlon II X3 460) — the Core i5-580M offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM55,PM55,HM57,QM57 (Core i5-580M) and 760G,770,785G,790FX,870,880G,890FX,970,990FX (Athlon II X3 460).

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i5-580M) vs AMD-V (Athlon II X3 460). The Core i5-580M includes integrated graphics (HD Graphics), while the Athlon II X3 460 requires a dedicated GPU. Primary use case: Core i5-580M targets Legacy Laptop, Athlon II X3 460 targets Budget. Direct competitor: Core i5-580M rivals Phenom II X2 N660.