Core i5-5257U vs Core i3-4130T

Both the Core i5-5257U and Core i3-4130T share an identical 2-core/4-thread configuration. Boost clocks reach 3.1 GHz on the Core i5-5257U versus 2.9 GHz on the Core i3-4130T — a 6.7% clock advantage for the Core i5-5257U (base: 2.7 GHz vs 2.9 GHz). The Core i5-5257U uses the Broadwell-U (2015) architecture (14 nm), while the Core i3-4130T uses Haswell (2013−2015) (22 nm). In PassMark, the Core i5-5257U scores 2,837 against the Core i3-4130T's 2,876 — a 1.4% lead for the Core i3-4130T. Geekbench 6 single-core — the metric most relevant to gaming — records 950 vs 890, a 6.5% lead for the Core i5-5257U that directly translates to higher frame rates. Both processors carry 3 MB (total) of L3 cache.

The Core i5-5257U uses the FCBGA1168 socket (PCIe 3.0), while the Core i3-4130T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR3 1866 MHz on the Core i5-5257U versus DDR3-1600 on the Core i3-4130T — the Core i5-5257U supports 200% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-4130T supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Core i5-5257U) vs 16 (Core i3-4130T) — the Core i3-4130T offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Broadwell-U (Core i5-5257U) and H81,B85,Q85,H87,Q87,Z87,H97,Z97 (Core i3-4130T).

Neither processor supports overclocking. Virtualization support: true (Core i5-5257U) vs VT-x, EPT (Core i3-4130T). Both include integrated graphics — Intel Iris Graphics 6100 (Core i5-5257U) and HD Graphics 4400 (Core i3-4130T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-5257U targets Mobile, Core i3-4130T targets Low Power Desktop. Direct competitor: Core i3-4130T rivals A8-7600.