A6-3420M vs Core i3-3227U

The A6-3420M packs 4 cores / 4 threads, while the Core i3-3227U offers 2 cores / 4 threads — the A6-3420M has 2 more cores. Boost clocks reach 2.4 GHz on the A6-3420M versus 1.9 GHz on the Core i3-3227U — a 23.3% clock advantage for the A6-3420M (base: 1.5 GHz vs 1.9 GHz). The A6-3420M uses the Llano (2011−2012) architecture (32 nm), while the Core i3-3227U uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the A6-3420M scores 1,310 against the Core i3-3227U's 1,299 — a 0.8% lead for the A6-3420M. Geekbench 6 single-core — the metric most relevant to gaming — records 234 vs 400, a 52.4% lead for the Core i3-3227U that directly translates to higher frame rates. L3 cache: 0 kB on the A6-3420M vs 3 MB (total) on the Core i3-3227U.

The A6-3420M uses the FS1 socket (PCIe 2.0), while the Core i3-3227U uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the A6-3420M versus DDR3-1600 on the Core i3-3227U — the Core i3-3227U supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-3227U supports up to 32 GB of RAM compared to 8 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.

Neither processor supports overclocking. Virtualization support: AMD-V (A6-3420M) vs VT-x, VT-d (Core i3-3227U). Both include integrated graphics — Radeon HD 6520G (A6-3420M) and Intel HD Graphics 4000 (Core i3-3227U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A6-3420M targets Budget Laptop, Core i3-3227U targets Legacy Ultrabook. Direct competitor: A6-3420M rivals Core i3-2330M; Core i3-3227U rivals AMD A6-4455M.