Core M-5Y10a vs Celeron G3900T

The Core M-5Y10a packs 2 cores / 4 threads, matching the Celeron G3900T's 2 cores. Boost clocks reach 2 GHz on the Core M-5Y10a versus 2.6 GHz on the Celeron G3900T — a 26.1% clock advantage for the Celeron G3900T (base: 0.8 GHz vs 2.6 GHz). The Core M-5Y10a uses the Broadwell-Y (2014) architecture (14 nm), while the Celeron G3900T uses Skylake (2015−2016) (14 nm). In PassMark, the Core M-5Y10a scores 1,905 against the Celeron G3900T's 1,900 — a 0.3% lead for the Core M-5Y10a. L3 cache: 4 MB (total) on the Core M-5Y10a vs 2 MB on the Celeron G3900T.

The Core M-5Y10a uses the FCBGA1234 socket (PCIe 3.0), while the Celeron G3900T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR3-1600 on the Core M-5Y10a versus DDR4-2133 on the Celeron G3900T — the Celeron G3900T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G3900T 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: 12 (Core M-5Y10a) vs 16 (Celeron G3900T) — the Celeron G3900T offers 4 more lanes for additional GPUs or NVMe drives.

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core M-5Y10a) vs VT-x (Celeron G3900T). Both include integrated graphics — HD Graphics 5300 (Core M-5Y10a) and HD Graphics 510 (Celeron G3900T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core M-5Y10a targets Mobile, Celeron G3900T targets Budget. Direct competitor: Celeron G3900T rivals Pentium G4400T.

The Core M-5Y10a launched at $281 MSRP, while the Celeron G3900T debuted at $42. At current prices ($281 vs $70), the Celeron G3900T is $211 cheaper. In terms of value (PassMark points per dollar), the Core M-5Y10a delivers 6.8 pts/$ vs 27.1 pts/$ for the Celeron G3900T — making the Celeron G3900T the 120.1% better value option.