Core i7-2670QM vs Core i3-7100T

The Core i7-2670QM packs 4 cores / 8 threads, while the Core i3-7100T offers 2 cores / 4 threads — the Core i7-2670QM has 2 more cores. Boost clocks reach 3.1 GHz on the Core i7-2670QM versus 3.4 GHz on the Core i3-7100T — a 9.2% clock advantage for the Core i3-7100T (base: 2.2 GHz vs 3.4 GHz). The Core i7-2670QM uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i3-7100T uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Core i7-2670QM scores 3,748 against the Core i3-7100T's 3,763 — a 0.4% lead for the Core i3-7100T. L3 cache: 6 MB (total) on the Core i7-2670QM vs 3 MB (total) on the Core i3-7100T.

The Core i7-2670QM uses the PGA988 socket (PCIe 2.0), while the Core i3-7100T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1600 on the Core i7-2670QM versus DDR4-2400 on the Core i3-7100T — the Core i7-2670QM supports 199% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-7100T supports up to 64 GB of RAM compared to 32 — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM65,HM67,QM67,QS67 (Core i7-2670QM) and B250,H270,Z270 (Core i3-7100T).

Neither processor supports overclocking. Virtualization support: true (Core i7-2670QM) vs VT-x, VT-d (Core i3-7100T). Both include integrated graphics — Intel HD Graphics 3000 (Core i7-2670QM) and Intel HD Graphics 630 (Core i3-7100T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-7100T targets Low Power Desktop. Direct competitor: Core i7-2670QM rivals AMD A8-3510MX.