Core i7-13700K vs Celeron G3900

The Core i7-13700K packs 16 cores / 24 threads, while the Celeron G3900 offers 2 cores / 2 threads — the Core i7-13700K has 14 more cores. Boost clocks reach 5.4 GHz on the Core i7-13700K versus 2.8 GHz on the Celeron G3900 — a 63.4% clock advantage for the Core i7-13700K (base: 3.4 GHz vs 2.8 GHz). The Core i7-13700K uses the Raptor Lake, Raptor Cove, Gracemont (2022) architecture (Intel 7 nm), while the Celeron G3900 uses Skylake (2015−2016) (14 nm). In PassMark, the Core i7-13700K scores 45,784 against the Celeron G3900's 2,155 — a 182% lead for the Core i7-13700K. Geekbench 6 single-core — the metric most relevant to gaming — records 2,846 vs 680, a 122.9% lead for the Core i7-13700K that directly translates to higher frame rates. Multi-core Geekbench: 18,980 vs 1,250 (175.3% advantage for the Core i7-13700K). L3 cache: 30 MB (total) on the Core i7-13700K vs 4 MB (total) on the Celeron G3900.

The Core i7-13700K 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 DDR5-5600 on the Core i7-13700K versus DDR4-2133 on the Celeron G3900 — the Core i7-13700K supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-13700K 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 i7-13700K) vs 16 (Celeron G3900) — the Core i7-13700K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel Z790,Intel H770,Intel B760,Intel Z690,Intel H670,Intel B660,Intel H610 (Core i7-13700K) and H110,B150,H170,Z170 (Celeron G3900).

Only the Core i7-13700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: true (Core i7-13700K) vs VT-x, VT-d (Celeron G3900). Both include integrated graphics — Intel UHD Graphics 770 (Core i7-13700K) and Intel HD Graphics 510 (Celeron G3900) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G3900 targets Desktop. Direct competitor: Core i7-13700K rivals Ryzen 9 7900X; Celeron G3900 rivals Pentium G4400.

The Core i7-13700K launched at $409 MSRP, while the Celeron G3900 debuted at $42. At current prices ($400 vs $39), the Celeron G3900 is $361 cheaper. In terms of value (PassMark points per dollar), the Core i7-13700K delivers 114.5 pts/$ vs 55.3 pts/$ for the Celeron G3900 — making the Core i7-13700K the 69.8% better value option.