Atom C3758 vs Core i7-2600S

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

The Atom C3758 uses the FCBGA1310 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 DDR4-2400 on the Atom C3758 versus DDR3-1333 on the Core i7-2600S — 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: SoC (Atom C3758) and H61,H67,Z68,B75 (Core i7-2600S).

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