Core i3-7100U vs Celeron G4950

The Core i3-7100U packs 2 cores / 4 threads, matching the Celeron G4950's 2 cores. Boost clocks reach 2.4 GHz on the Core i3-7100U versus 3.3 GHz on the Celeron G4950 — a 31.6% clock advantage for the Celeron G4950 (base: 2.4 GHz vs 3.3 GHz). The Core i3-7100U uses the Kaby Lake (2016−2019) architecture (14 nm), while the Celeron G4950 uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Core i3-7100U scores 2,721 against the Celeron G4950's 2,714 — a 0.3% lead for the Core i3-7100U. Geekbench 6 single-core — the metric most relevant to gaming — records 841 vs 672, a 22.3% lead for the Core i3-7100U that directly translates to higher frame rates. L3 cache: 3 MB on the Core i3-7100U vs 2 MB on the Celeron G4950.

The Core i3-7100U uses the BGA1356 socket (PCIe 3.0), while the Celeron G4950 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2133 memory speed. The Celeron G4950 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: 12 (Core i3-7100U) vs 16 (Celeron G4950) — the Celeron G4950 offers 4 more lanes for additional GPUs or NVMe drives.

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i3-7100U) vs VT-x (Celeron G4950). Both include integrated graphics — HD Graphics 620 (Core i3-7100U) and UHD Graphics 610 (Celeron G4950) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-7100U targets Mainstream Laptop, Celeron G4950 targets Budget. Direct competitor: Core i3-7100U rivals Ryzen 3 3200U; Celeron G4950 rivals Pentium G5420.