A6-3620 vs Core i7-2637M

The A6-3620 packs 4 cores / 4 threads, while the Core i7-2637M offers 2 cores / 4 threads — the A6-3620 has 2 more cores. Boost clocks reach 2.5 GHz on the A6-3620 versus 2.8 GHz on the Core i7-2637M — a 11.3% clock advantage for the Core i7-2637M (base: 2.2 GHz vs 1.7 GHz). The A6-3620 uses the Llano (2011−2012) architecture (32 nm), while the Core i7-2637M uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the A6-3620 scores 1,877 against the Core i7-2637M's 1,889 — a 0.6% lead for the Core i7-2637M. Geekbench 6 single-core — the metric most relevant to gaming — records 300 vs 350, a 15.4% lead for the Core i7-2637M that directly translates to higher frame rates. L3 cache: 0 kB on the A6-3620 vs 4 MB on the Core i7-2637M.

The A6-3620 uses the FM1 socket (PCIe 2.0), while the Core i7-2637M uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1866 on the A6-3620 versus 1333 on the Core i7-2637M — the Core i7-2637M supports 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A6-3620 supports up to 16 GB of RAM compared to 8 — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: A55,A75 (A6-3620) and HM65,HM67,QM67 (Core i7-2637M).

Neither processor supports overclocking. Virtualization support: AMD-V (A6-3620) vs true (Core i7-2637M). Both include integrated graphics — Radeon HD 6530D (A6-3620) and Intel HD Graphics 3000 (Core i7-2637M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A6-3620 targets Budget Desktop. Direct competitor: A6-3620 rivals Pentium G840.