Core i5-4210Y vs Core i7-640LM

Both the Core i5-4210Y and Core i7-640LM share an identical 2-core/4-thread configuration. Boost clocks reach 1.9 GHz on the Core i5-4210Y versus 2.93 GHz on the Core i7-640LM — a 42.7% clock advantage for the Core i7-640LM (base: 1.5 GHz vs 2.13 GHz). The Core i5-4210Y uses the Haswell (2013−2015) architecture (22 nm), while the Core i7-640LM uses Arrandale (2010−2011) (32 nm). In PassMark, the Core i5-4210Y scores 1,530 against the Core i7-640LM's 1,529 — a 0.1% lead for the Core i5-4210Y. L3 cache: 3 MB on the Core i5-4210Y vs 4 MB (total) on the Core i7-640LM.

The Core i5-4210Y uses the FCBGA1168 socket (PCIe 3.0), while the Core i7-640LM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1600 on the Core i5-4210Y versus 1066 on the Core i7-640LM — the Core i7-640LM supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-4210Y 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. PCIe lanes: 12 (Core i5-4210Y) vs 16 (Core i7-640LM) — the Core i7-640LM offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM86,HM87,QM87 (Core i5-4210Y) and HM55,HM57,QM57,QS57 (Core i7-640LM).

Neither processor supports overclocking. Virtualization support: VT-x, EPT (Core i5-4210Y) vs true (Core i7-640LM). Both include integrated graphics — HD Graphics 4200 (Core i5-4210Y) and Intel HD Graphics (Ironlake) (Core i7-640LM) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-4210Y targets Tablet/2-in-1. Direct competitor: Core i5-4210Y rivals A4-6210; Core i7-640LM rivals Core 2 Duo SL9400.