Core i7-2657M vs Core i3-8130U

Both the Core i7-2657M and Core i3-8130U share an identical 2-core/4-thread configuration. Boost clocks reach 2.7 GHz on the Core i7-2657M versus 3.4 GHz on the Core i3-8130U — a 23% clock advantage for the Core i3-8130U (base: 1.6 GHz vs 2.2 GHz). The Core i7-2657M uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i3-8130U uses Kaby Lake Refresh (2017−2019) (14 nm). In PassMark, the Core i7-2657M scores 3,491 against the Core i3-8130U's 3,521 — a 0.9% lead for the Core i3-8130U. Geekbench 6 single-core — the metric most relevant to gaming — records 535 vs 1,050, a 65% lead for the Core i3-8130U that directly translates to higher frame rates. L3 cache: 4 MB on the Core i7-2657M vs 4 MB (total) on the Core i3-8130U.

The Core i7-2657M uses the BGA1023 socket (PCIe 2.0), while the Core i3-8130U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i7-2657M versus DDR4-2400 on the Core i3-8130U — the Core i3-8130U supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-8130U supports up to 32 GB of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-2657M) vs 12 (Core i3-8130U) — the Core i7-2657M offers 4 more lanes for additional GPUs or NVMe drives.

Neither processor supports overclocking. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — HD Graphics 3000 (Core i7-2657M) and UHD Graphics 620 (Core i3-8130U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-2657M targets Ultrabook, Core i3-8130U targets Mainstream Laptop. Direct competitor: Core i7-2657M rivals A6-3420M; Core i3-8130U rivals Ryzen 3 2200U.