Core i3-7130U vs Core i7-2720QM

The Core i3-7130U packs 2 cores / 4 threads, while the Core i7-2720QM offers 4 cores / 8 threads — the Core i7-2720QM has 2 more cores. Boost clocks reach 2.7 GHz on the Core i3-7130U versus 3.3 GHz on the Core i7-2720QM — a 20% clock advantage for the Core i7-2720QM (base: 2.7 GHz vs 2.2 GHz). The Core i3-7130U uses the Kaby Lake-U (2017) architecture (14 nm), while the Core i7-2720QM uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i3-7130U scores 4,055 against the Core i7-2720QM's 4,015 — a 1% lead for the Core i3-7130U. Geekbench 6 single-core — the metric most relevant to gaming — records 900 vs 700, a 25% lead for the Core i3-7130U that directly translates to higher frame rates. L3 cache: 3 MB on the Core i3-7130U vs 6 MB (total) on the Core i7-2720QM.

The Core i3-7130U uses the BGA1356 socket (PCIe 3.0), while the Core i7-2720QM uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Core i3-7130U versus DDR3-1600 on the Core i7-2720QM — 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: 12 (Core i3-7130U) vs 16 (Core i7-2720QM) — the Core i7-2720QM offers 4 more lanes for additional GPUs or NVMe drives.

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i3-7130U) vs VT-x, VT-d (Core i7-2720QM). Both include integrated graphics — HD Graphics 620 (Core i3-7130U) and Intel HD Graphics 3000 (Core i7-2720QM) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-7130U targets Mainstream Laptop, Core i7-2720QM targets Performance Laptop. Direct competitor: Core i3-7130U rivals Ryzen 3 3250U; Core i7-2720QM rivals AMD A8-3510MX.