Core i5-13400F vs Celeron G3900

The Core i5-13400F packs 10 cores / 16 threads, while the Celeron G3900 offers 2 cores / 2 threads — the Core i5-13400F has 8 more cores. Boost clocks reach 4.6 GHz on the Core i5-13400F versus 2.8 GHz on the Celeron G3900 — a 48.6% clock advantage for the Core i5-13400F (base: 2.5 GHz vs 2.8 GHz). The Core i5-13400F uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Celeron G3900 uses Skylake (2015−2016) (14 nm). In PassMark, the Core i5-13400F scores 25,029 against the Celeron G3900's 2,155 — a 168.3% lead for the Core i5-13400F. Geekbench 6 single-core — the metric most relevant to gaming — records 2,407 vs 680, a 111.9% lead for the Core i5-13400F that directly translates to higher frame rates. Multi-core Geekbench: 11,408 vs 1,250 (160.5% advantage for the Core i5-13400F). L3 cache: 20 MB (total) on the Core i5-13400F vs 4 MB (total) on the Celeron G3900.

The Core i5-13400F uses the LGA1700 socket (PCIe 5.0), while the Celeron G3900 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-13400F versus DDR4-2133 on the Celeron G3900 — the Core i5-13400F supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-13400F supports up to 192 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-13400F) vs 16 (Celeron G3900) — the Core i5-13400F offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-13400F) and H110,B150,H170,Z170 (Celeron G3900).

Neither processor supports overclocking. Both support VT-x, VT-d virtualization. The Celeron G3900 includes integrated graphics (Intel HD Graphics 510), while the Core i5-13400F requires a dedicated GPU. Primary use case: Core i5-13400F targets Gaming, Celeron G3900 targets Desktop. Direct competitor: Core i5-13400F rivals Ryzen 5 7600; Celeron G3900 rivals Pentium G4400.

The Core i5-13400F launched at $196 MSRP, while the Celeron G3900 debuted at $42. At current prices ($180 vs $39), the Celeron G3900 is $141 cheaper. In terms of value (PassMark points per dollar), the Core i5-13400F delivers 139.1 pts/$ vs 55.3 pts/$ for the Celeron G3900 — making the Core i5-13400F the 86.2% better value option.