Celeron 6305 vs Core i3-2125

The Celeron 6305 packs 2 cores / 2 threads, matching the Core i3-2125's 2 cores. Boost clocks reach 1.8 GHz on the Celeron 6305 versus 3.3 GHz on the Core i3-2125 — a 58.8% clock advantage for the Core i3-2125. The Celeron 6305 uses the Tiger Lake-U (2020−2021) architecture (10 nm SuperFin), while the Core i3-2125 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Celeron 6305 scores 2,077 against the Core i3-2125's 2,082 — a 0.2% lead for the Core i3-2125. Geekbench 6 single-core — the metric most relevant to gaming — records 744 vs 499, a 39.4% lead for the Celeron 6305 that directly translates to higher frame rates. L3 cache: 4 MB on the Celeron 6305 vs 3 MB (total) on the Core i3-2125.

The Celeron 6305 uses the FCBGA1449 socket (PCIe 4.0), while the Core i3-2125 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Celeron 6305 versus DDR3-1333 on the Core i3-2125 — the Celeron 6305 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 6305 supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 4 (Celeron 6305) vs 16 (Core i3-2125) — the Core i3-2125 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Tiger Lake-U (Celeron 6305) and H61,H67,P67,Z68,B65,Q65,Q67,B75,Q75,H77,Z75,Z77 (Core i3-2125).

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Celeron 6305) vs VT-x, EPT (Core i3-2125). Both include integrated graphics — UHD Graphics for 11th Gen (Celeron 6305) and HD Graphics 3000 (Core i3-2125) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 6305 targets Budget, Core i3-2125 targets Budget Desktop. Direct competitor: Celeron 6305 rivals Pentium Gold 7505; Core i3-2125 rivals A8-3850.

The Celeron 6305 launched at $107 MSRP, while the Core i3-2125 debuted at $134. At current prices ($80 vs $15), the Core i3-2125 is $65 cheaper. In terms of value (PassMark points per dollar), the Celeron 6305 delivers 26.0 pts/$ vs 138.8 pts/$ for the Core i3-2125 — making the Core i3-2125 the 137% better value option.