Core i3-2120T vs Celeron G1830

The Core i3-2120T packs 2 cores / 4 threads, matching the Celeron G1830's 2 cores. Boost clocks reach 2.6 GHz on the Core i3-2120T versus 2.8 GHz on the Celeron G1830 — a 7.4% clock advantage for the Celeron G1830 (base: 2.6 GHz vs 2.8 GHz). The Core i3-2120T uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Celeron G1830 uses Haswell (2013−2015) (22 nm). In PassMark, the Core i3-2120T scores 1,570 against the Celeron G1830's 1,560 — a 0.6% lead for the Core i3-2120T. Geekbench 6 single-core — the metric most relevant to gaming — records 403 vs 496, a 20.7% lead for the Celeron G1830 that directly translates to higher frame rates. L3 cache: 3 MB (total) on the Core i3-2120T vs 2 MB on the Celeron G1830.

The Core i3-2120T uses the LGA1155 socket (PCIe 2.0), while the Celeron G1830 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H61,B65,Q65,Q67,H67,P67,Z68,B75,Q75,Q77,H77,Z75,Z77 (Core i3-2120T) and H81,B85,H87,Z87,H97,Z97 (Celeron G1830).

Neither processor supports overclocking. Virtualization support: VT-x, EPT (Core i3-2120T) vs VT-x (Celeron G1830). Both include integrated graphics — HD Graphics 2000 (Core i3-2120T) and HD Graphics (Haswell) (Celeron G1830) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-2120T targets Budget Desktop, Celeron G1830 targets Budget. Direct competitor: Core i3-2120T rivals A6-3500; Celeron G1830 rivals Pentium G3220.

The Core i3-2120T launched at $127 MSRP, while the Celeron G1830 debuted at $52. At current prices ($38 vs $5), the Celeron G1830 is $33 cheaper. In terms of value (PassMark points per dollar), the Core i3-2120T delivers 41.3 pts/$ vs 312.0 pts/$ for the Celeron G1830 — making the Celeron G1830 the 153.2% better value option.