Atom C3858 vs Core i7-3610QM

The Atom C3858 packs 12 cores / 12 threads, while the Core i7-3610QM offers 4 cores / 8 threads — the Atom C3858 has 8 more cores. Boost clocks reach 2 GHz on the Atom C3858 versus 3.3 GHz on the Core i7-3610QM — a 49.1% clock advantage for the Core i7-3610QM (base: 2 GHz vs 2.3 GHz). The Atom C3858 uses the Goldmont (2016−2017) architecture (14 nm), while the Core i7-3610QM uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Atom C3858 scores 5,040 against the Core i7-3610QM's 5,132 — a 1.8% lead for the Core i7-3610QM. L3 cache: 12 MB on the Atom C3858 vs 6 MB (total) on the Core i7-3610QM.

The Atom C3858 uses the FCBGA1310 socket (PCIe 3.0), while the Core i7-3610QM uses PGA988 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Atom C3858 versus DDR3-1600 on the Core i7-3610QM — the Atom C3858 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom C3858 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. PCIe lanes: 12 (Atom C3858) vs 16 (Core i7-3610QM) — the Core i7-3610QM offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1310 (Atom C3858) and HM77,QM77 (Core i7-3610QM).

Virtualization: not specified (Atom C3858) / VT-x, VT-d (Core i7-3610QM). The Core i7-3610QM includes integrated graphics (Intel HD Graphics 4000), while the Atom C3858 requires a dedicated GPU. Primary use case: Core i7-3610QM targets High Performance Laptop. Direct competitor: Core i7-3610QM rivals AMD A10-5750M.