Core i3-8130U vs Core i7-2657M

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

The Core i3-8130U uses the BGA1356 socket (PCIe 3.0), while the Core i7-2657M uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i3-8130U versus DDR3-1333 on the Core i7-2657M — 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: 12 (Core i3-8130U) vs 16 (Core i7-2657M) — 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 — UHD Graphics 620 (Core i3-8130U) and HD Graphics 3000 (Core i7-2657M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-8130U targets Mainstream Laptop, Core i7-2657M targets Ultrabook. Direct competitor: Core i3-8130U rivals Ryzen 3 2200U; Core i7-2657M rivals A6-3420M.