Core i7-12700K vs Celeron 847

The Core i7-12700K packs 12 cores / 20 threads, while the Celeron 847 offers 2 cores / 2 threads — the Core i7-12700K has 10 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 1.1 GHz on the Celeron 847 — a 127.9% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 1.1 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Celeron 847 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i7-12700K scores 34,347 against the Celeron 847's 1,270 — a 185.7% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 2 MB (total) on the Celeron 847.

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Celeron 847 uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR3-1333 on the Celeron 847 — the Core i7-12700K supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-12700K supports up to 128 of RAM compared to 16 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-12700K) vs 16 (Celeron 847) — the Core i7-12700K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and HM65,HM67 (Celeron 847).

Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i7-12700K) vs VT-x (Celeron 847). Both include integrated graphics — Intel UHD Graphics 770 (Core i7-12700K) and HD Graphics (Sandy Bridge) (Celeron 847) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 847 targets Budget. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; Celeron 847 rivals Pentium 967.

The Core i7-12700K launched at $409 MSRP, while the Celeron 847 debuted at $134. At current prices ($285 vs $15), the Celeron 847 is $270 cheaper. In terms of value (PassMark points per dollar), the Core i7-12700K delivers 120.5 pts/$ vs 84.7 pts/$ for the Celeron 847 — making the Core i7-12700K the 34.9% better value option.