Core i5-3330 vs Core i3-7130U

The Core i5-3330 packs 4 cores / 4 threads, while the Core i3-7130U offers 2 cores / 4 threads — the Core i5-3330 has 2 more cores. Boost clocks reach 3.2 GHz on the Core i5-3330 versus 2.7 GHz on the Core i3-7130U — a 16.9% clock advantage for the Core i5-3330 (base: 3 GHz vs 2.7 GHz). The Core i5-3330 uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Core i3-7130U uses Kaby Lake-U (2017) (14 nm). In PassMark, the Core i5-3330 scores 4,100 against the Core i3-7130U's 4,055 — a 1.1% lead for the Core i5-3330. Geekbench 6 single-core — the metric most relevant to gaming — records 600 vs 900, a 40% lead for the Core i3-7130U that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Core i5-3330 vs 3 MB on the Core i3-7130U.

The Core i5-3330 uses the LGA1155 socket (PCIe 3.0), while the Core i3-7130U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i5-3330 versus DDR4-2133 on the Core i3-7130U — the Core i3-7130U supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-3330) vs 12 (Core i3-7130U) — the Core i5-3330 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 2500 (Core i5-3330) and HD Graphics 620 (Core i3-7130U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-3330 targets Legacy Desktop, Core i3-7130U targets Mainstream Laptop. Direct competitor: Core i5-3330 rivals FX-6300; Core i3-7130U rivals Ryzen 3 3250U.