Celeron J4005 vs Core i3-2340UE

The Celeron J4005 packs 2 cores / 2 threads, matching the Core i3-2340UE's 2 cores. Boost clocks reach 2.7 GHz on the Celeron J4005 versus 1.3 GHz on the Core i3-2340UE — a 70% clock advantage for the Celeron J4005. The Celeron J4005 uses the Goldmont Plus (2017) architecture (14 nm), while the Core i3-2340UE uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Celeron J4005 scores 1,543 against the Core i3-2340UE's 1,545 — a 0.1% lead for the Core i3-2340UE. Geekbench 6 single-core — the metric most relevant to gaming — records 450 vs 230, a 64.7% lead for the Celeron J4005 that directly translates to higher frame rates. L3 cache: 4 MB on the Celeron J4005 vs 3 MB (total) on the Core i3-2340UE.

The Celeron J4005 uses the FCBGA1090 socket (PCIe 3.0), while the Core i3-2340UE uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Celeron J4005 versus DDR3-1333 on the Core i3-2340UE — the Celeron J4005 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-2340UE supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 6 (Celeron J4005) vs 16 (Core i3-2340UE) — the Core i3-2340UE offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Celeron J4005) and HM65,QM67 (Core i3-2340UE).

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Celeron J4005) vs VT-x, EPT (Core i3-2340UE). Both include integrated graphics — Intel UHD Graphics 600 (Celeron J4005) and HD Graphics 3000 (Core i3-2340UE) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron J4005 targets Entry Level Desktop, Core i3-2340UE targets Embedded. Direct competitor: Celeron J4005 rivals Ryzen Embedded R1102G; Core i3-2340UE rivals Embedded G-Series.