Core i7-2600S vs Atom C3758

The Core i7-2600S packs 4 cores / 8 threads, while the Atom C3758 offers 8 cores / 8 threads — the Atom C3758 has 4 more cores. Boost clocks reach 3.8 GHz on the Core i7-2600S versus 2.2 GHz on the Atom C3758 — a 53.3% clock advantage for the Core i7-2600S (base: 2.8 GHz vs 2.2 GHz). The Core i7-2600S uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Atom C3758 uses Goldmont (2016−2017) (14 nm). In PassMark, the Core i7-2600S scores 4,637 against the Atom C3758's 4,614 — a 0.5% lead for the Core i7-2600S. Geekbench 6 single-core — the metric most relevant to gaming — records 630 vs 400, a 44.7% lead for the Core i7-2600S that directly translates to higher frame rates. L3 cache: 8192 kB (total) on the Core i7-2600S vs 16 MB on the Atom C3758.

The Core i7-2600S uses the LGA1155 socket (PCIe 2.0), while the Atom C3758 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i7-2600S versus DDR4-2400 on the Atom C3758 — the Atom C3758 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom C3758 supports up to 256 GB of RAM compared to 32 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H61,H67,Z68,B75 (Core i7-2600S) and SoC (Atom C3758).

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i7-2600S) vs VT-x, VT-d (Atom C3758). The Core i7-2600S includes integrated graphics (HD Graphics 2000), while the Atom C3758 requires a dedicated GPU. Primary use case: Core i7-2600S targets Low Power Desktop, Atom C3758 targets Server/Embedded. Direct competitor: Core i7-2600S rivals Phenom II X4 910e.