Celeron N3450 vs Core i3-5015U

The Celeron N3450 packs 4 cores / 4 threads, while the Core i3-5015U offers 2 cores / 4 threads — the Celeron N3450 has 2 more cores. Boost clocks reach 2.2 GHz on the Celeron N3450 versus 2.1 GHz on the Core i3-5015U — a 4.7% clock advantage for the Celeron N3450 (base: 1.1 GHz vs 2.1 GHz). The Celeron N3450 uses the Apollo Lake (2014−2016) architecture (14 nm), while the Core i3-5015U uses Broadwell-U (2015) (14 nm). In PassMark, the Celeron N3450 scores 1,981 against the Core i3-5015U's 1,990 — a 0.5% lead for the Core i3-5015U. L3 cache: 0 kB on the Celeron N3450 vs 3 MB (total) on the Core i3-5015U.

The Celeron N3450 uses the FCBGA1296 socket (PCIe 3.0), while the Core i3-5015U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2400 on the Celeron N3450 versus DDR3L-1600 on the Core i3-5015U — the Celeron N3450 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-5015U supports up to 16 GB of RAM compared to 8 — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 6 (Celeron N3450) vs 12 (Core i3-5015U) — the Core i3-5015U offers 6 more lanes for additional GPUs or NVMe drives.

Neither processor supports overclocking. Virtualization support: true (Celeron N3450) vs VT-x, VT-d (Core i3-5015U). Both include integrated graphics — Intel HD Graphics 500 (Celeron N3450) and HD Graphics 5500 (Core i3-5015U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-5015U targets Mobile. Direct competitor: Celeron N3450 rivals AMD A4-9120.