Celeron G1820TE vs Core i7-9700K

The Celeron G1820TE packs 2 cores / 2 threads, while the Core i7-9700K offers 8 cores / 8 threads — the Core i7-9700K has 6 more cores. Boost clocks reach 2.2 GHz on the Celeron G1820TE versus 4.9 GHz on the Core i7-9700K — a 76.1% clock advantage for the Core i7-9700K (base: 2.2 GHz vs 3.6 GHz). The Celeron G1820TE uses the Haswell (2013−2015) architecture (22 nm), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Celeron G1820TE scores 1,020 against the Core i7-9700K's 14,397 — a 173.5% lead for the Core i7-9700K. L3 cache: 3 MB (total) on the Celeron G1820TE vs 12 MB (total) on the Core i7-9700K.

The Celeron G1820TE uses the LGA1150 socket (PCIe 3.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Celeron G1820TE versus DDR4-2666 on the Core i7-9700K — the Core i7-9700K supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-9700K 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. Both provide 16 PCIe lanes. Chipset compatibility: H81,B85,H87,Z87,H97,Z97 (Celeron G1820TE) and Intel 300 series (Core i7-9700K).

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Celeron G1820TE) vs VT-x, VT-d (Core i7-9700K). Both include integrated graphics — HD Graphics (Haswell) (Celeron G1820TE) and UHD Graphics 630 (Core i7-9700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G1820TE targets Budget, Core i7-9700K targets Desktop. Direct competitor: Celeron G1820TE rivals Pentium G3220T.