Core i3-1115GRE vs Atom C3758

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

The Core i3-1115GRE uses the FCBGA1449 socket (PCIe 4.0), while the Atom C3758 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 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: 4 (Core i3-1115GRE) vs 16 (Atom C3758) — the Atom C3758 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Core i3-1115GRE) and SoC (Atom C3758).

Only the Core i3-1115GRE supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: Yes (Core i3-1115GRE) vs VT-x, VT-d (Atom C3758). 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.