Atom C3758 vs Core i3-1115GRE

The Atom C3758 packs 8 cores / 8 threads, while the Core i3-1115GRE offers 2 cores / 4 threads — the Atom C3758 has 6 more cores. Boost clocks reach 2.2 GHz on the Atom C3758 versus 3.9 GHz on the Core i3-1115GRE — a 55.7% clock advantage for the Core i3-1115GRE (base: 2.2 GHz vs 2.2 GHz). The Atom C3758 uses the Goldmont (2016−2017) architecture (14 nm), while the Core i3-1115GRE uses Tiger Lake-U (2020−2021) (10 nm). In PassMark, the Atom C3758 scores 4,614 against the Core i3-1115GRE's 4,588 — a 0.6% lead for the Atom C3758. Geekbench 6 single-core — the metric most relevant to gaming — records 400 vs 1,175, a 98.4% lead for the Core i3-1115GRE that directly translates to higher frame rates. Multi-core Geekbench: 2,400 vs 2,233 (7.2% advantage for the Atom C3758). L3 cache: 16 MB on the Atom C3758 vs 6 MB (total) on the Core i3-1115GRE.

The Atom C3758 uses the FCBGA1310 socket (PCIe 3.0), while the Core i3-1115GRE uses FCBGA1449 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2400 memory speed. The Atom C3758 supports up to 256 GB of RAM compared to 64 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Atom C3758) vs 4 (Core i3-1115GRE) — the Atom C3758 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Atom C3758) and SoC (Core i3-1115GRE).

Only the Core i3-1115GRE supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Atom C3758) vs Yes (Core i3-1115GRE). The Core i3-1115GRE includes integrated graphics (Intel UHD Graphics), while the Atom C3758 requires a dedicated GPU. Primary use case: Atom C3758 targets Server/Embedded.