Core i7-2720QM vs Core i3-7130U

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

The Core i7-2720QM uses the PGA988 socket (PCIe 2.0), 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 i7-2720QM 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 i7-2720QM) vs 12 (Core i3-7130U) — the Core i7-2720QM offers 4 more lanes for additional GPUs or NVMe drives.

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