Celeron G3900 vs Core i3-5010U

The Celeron G3900 packs 2 cores / 2 threads, matching the Core i3-5010U's 2 cores. Boost clocks reach 2.8 GHz on the Celeron G3900 versus 2.1 GHz on the Core i3-5010U — a 28.6% clock advantage for the Celeron G3900 (base: 2.8 GHz vs 2.1 GHz). The Celeron G3900 uses the Skylake (2015−2016) architecture (14 nm), while the Core i3-5010U uses Broadwell-U (2015) (14 nm). In PassMark, the Celeron G3900 scores 2,155 against the Core i3-5010U's 2,157 — a 0.1% lead for the Core i3-5010U. Geekbench 6 single-core — the metric most relevant to gaming — records 680 vs 737, a 8% lead for the Core i3-5010U that directly translates to higher frame rates. L3 cache: 4 MB (total) on the Celeron G3900 vs 3 MB (total) on the Core i3-5010U.

The Celeron G3900 uses the LGA1151 socket (PCIe 3.0), while the Core i3-5010U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Celeron G3900 versus DDR3L-1600 on the Core i3-5010U — the Celeron G3900 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G3900 supports up to 64 GB of RAM compared to 16 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron G3900) vs 12 (Core i3-5010U) — the Celeron G3900 offers 4 more lanes for additional GPUs or NVMe drives.

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Celeron G3900) vs VT-x, VT-d, EPT (Core i3-5010U). Both include integrated graphics — Intel HD Graphics 510 (Celeron G3900) and HD Graphics 5500 (Core i3-5010U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G3900 targets Desktop, Core i3-5010U targets Mainstream Laptop. Direct competitor: Celeron G3900 rivals Pentium G4400; Core i3-5010U rivals A10-8700P.