Celeron G1820TE vs Core i5-12400F

The Celeron G1820TE packs 2 cores / 2 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Core i5-12400F has 4 more cores. Boost clocks reach 2.2 GHz on the Celeron G1820TE versus 4.4 GHz on the Core i5-12400F — a 66.7% clock advantage for the Core i5-12400F (base: 2.2 GHz vs 2.5 GHz). The Celeron G1820TE uses the Haswell (2013−2015) architecture (22 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Celeron G1820TE scores 1,020 against the Core i5-12400F's 19,532 — a 180.1% lead for the Core i5-12400F. Geekbench 6 single-core — the metric most relevant to gaming — records 415 vs 1,700, a 121.5% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 629 vs 657 (4.4% advantage for the Core i5-12400F). L3 cache: 3 MB (total) on the Celeron G1820TE vs 18 MB (total) on the Core i5-12400F.

The Celeron G1820TE uses the LGA1150 socket (PCIe 3.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Celeron G1820TE versus DDR5-4800, DDR4-3200 on the Core i5-12400F — the Core i5-12400F supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F supports up to 128 GB of RAM compared to 32 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron G1820TE) vs 20 (Core i5-12400F) — the Core i5-12400F offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H81,B85,H87,Z87,H97,Z97 (Celeron G1820TE) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).

Virtualization support: VT-x (Celeron G1820TE) vs VT-x, VT-d, EPT (Core i5-12400F). The Celeron G1820TE includes integrated graphics (HD Graphics (Haswell)), while the Core i5-12400F requires a dedicated GPU. Primary use case: Celeron G1820TE targets Budget, Core i5-12400F targets Gaming Performance/Value. Direct competitor: Celeron G1820TE rivals Pentium G3220T; Core i5-12400F rivals Ryzen 5 5600.