Celeron G3900TE vs Core i3-2105

The Celeron G3900TE packs 2 cores / 2 threads, matching the Core i3-2105's 2 cores. Boost clocks reach 2.3 GHz on the Celeron G3900TE versus 3.1 GHz on the Core i3-2105 — a 29.6% clock advantage for the Core i3-2105. The Celeron G3900TE uses the Skylake (2015−2016) architecture (14 nm), while the Core i3-2105 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Celeron G3900TE scores 1,850 against the Core i3-2105's 1,837 — a 0.7% lead for the Celeron G3900TE. L3 cache: 2 MB on the Celeron G3900TE vs 3 MB (total) on the Core i3-2105.

The Celeron G3900TE uses the LGA1151 socket (PCIe 3.0), while the Core i3-2105 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Celeron G3900TE versus DDR3-1333 on the Core i3-2105 — the Celeron G3900TE supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G3900TE supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Celeron G3900TE) vs VT-x (Core i3-2105). Both include integrated graphics — Intel HD Graphics 510 (Celeron G3900TE) and HD Graphics 3000 (Core i3-2105) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G3900TE targets Embedded, Core i3-2105 targets Desktop. Direct competitor: Celeron G3900TE rivals Pentium G4400T.

The Celeron G3900TE launched at $42 MSRP, while the Core i3-2105 debuted at $138. At current prices ($45 vs $30), the Core i3-2105 is $15 cheaper. In terms of value (PassMark points per dollar), the Celeron G3900TE delivers 41.1 pts/$ vs 61.2 pts/$ for the Core i3-2105 — making the Core i3-2105 the 39.3% better value option.