Core i5-6300HQ vs Core i7-2600S

The Core i5-6300HQ packs 4 cores / 4 threads, matching the Core i7-2600S's 4 cores. Boost clocks reach 3.2 GHz on the Core i5-6300HQ versus 3.8 GHz on the Core i7-2600S — a 17.1% clock advantage for the Core i7-2600S (base: 2.3 GHz vs 2.8 GHz). The Core i5-6300HQ uses the Skylake (2015−2016) architecture (14 nm), while the Core i7-2600S uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i5-6300HQ scores 4,672 against the Core i7-2600S's 4,637 — a 0.8% lead for the Core i5-6300HQ. Geekbench 6 single-core — the metric most relevant to gaming — records 1,000 vs 630, a 45.4% lead for the Core i5-6300HQ that directly translates to higher frame rates. L3 cache: 6 MB on the Core i5-6300HQ vs 8192 kB (total) on the Core i7-2600S.

The Core i5-6300HQ uses the BGA1440 socket (PCIe 3.0), while the Core i7-2600S uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Core i5-6300HQ versus DDR3-1333 on the Core i7-2600S — the Core i5-6300HQ supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-6300HQ supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM170,QM170 (Core i5-6300HQ) and H61,H67,Z68,B75 (Core i7-2600S).

Neither processor supports overclocking. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — HD Graphics 530 (Core i5-6300HQ) and HD Graphics 2000 (Core i7-2600S) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-6300HQ targets Gaming Laptop, Core i7-2600S targets Low Power Desktop. Direct competitor: Core i5-6300HQ rivals A12-9730P; Core i7-2600S rivals Phenom II X4 910e.