Athlon II X3 460 vs Core i5-580M

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

The Athlon II X3 460 uses the AM3 socket (PCIe 2.0), while the Core i5-580M uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 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: 0 (Athlon II X3 460) vs 16 (Core i5-580M) — the Core i5-580M offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 760G,770,785G,790FX,870,880G,890FX,970,990FX (Athlon II X3 460) and HM55,PM55,HM57,QM57 (Core i5-580M).

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