Celeron J4005 vs Core i5-10400F

The Celeron J4005 packs 2 cores / 2 threads, while the Core i5-10400F offers 6 cores / 12 threads — the Core i5-10400F has 4 more cores. Boost clocks reach 2.7 GHz on the Celeron J4005 versus 4.3 GHz on the Core i5-10400F — a 45.7% clock advantage for the Core i5-10400F (base: 2 GHz vs 2.9 GHz). The Celeron J4005 uses the Goldmont Plus (2017) architecture (14 nm), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Celeron J4005 scores 1,543 against the Core i5-10400F's 13,029 — a 157.6% lead for the Core i5-10400F. Geekbench 6 single-core — the metric most relevant to gaming — records 450 vs 1,454, a 105.5% lead for the Core i5-10400F that directly translates to higher frame rates. Multi-core Geekbench: 800 vs 5,783 (151.4% advantage for the Core i5-10400F). L3 cache: 4 MB on the Celeron J4005 vs 12 MB (total) on the Core i5-10400F.

The Celeron J4005 uses the FCBGA1090 socket (PCIe 3.0), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2400 memory speed. The Core i5-10400F supports up to 128 GB of RAM compared to 8 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 6 (Celeron J4005) vs 16 (Core i5-10400F) — the Core i5-10400F offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Celeron J4005) and H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F).

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Celeron J4005) vs VT-x, VT-d (Core i5-10400F). The Celeron J4005 includes integrated graphics (Intel UHD Graphics 600), while the Core i5-10400F requires a dedicated GPU. Primary use case: Celeron J4005 targets Entry Level Desktop, Core i5-10400F targets Gaming. Direct competitor: Celeron J4005 rivals Ryzen Embedded R1102G; Core i5-10400F rivals Ryzen 5 3600.