Atom C3708 vs Athlon X4 845

The Atom C3708 packs 8 cores / 8 threads, while the Athlon X4 845 offers 4 cores / 4 threads — the Atom C3708 has 4 more cores. Boost clocks reach 1.7 GHz on the Atom C3708 versus 3.8 GHz on the Athlon X4 845 — a 76.4% clock advantage for the Athlon X4 845 (base: 1.7 GHz vs 3.5 GHz). The Atom C3708 uses the Goldmont (2016−2017) architecture (14 nm), while the Athlon X4 845 uses Carrizo (2015−2018) (28 nm). In PassMark, the Atom C3708 scores 3,750 against the Athlon X4 845's 3,768 — a 0.5% lead for the Athlon X4 845.

The Atom C3708 uses the FCBGA1310 socket (PCIe 3.0), while the Athlon X4 845 uses FM2+ (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Atom C3708 versus DDR3-2133 on the Athlon X4 845 — the Atom C3708 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom C3708 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 C3708) vs 8 (Athlon X4 845) — the Atom C3708 offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1310 (Atom C3708) and AMD FM2+ (Athlon X4 845).