Core i3-1115G4E vs Core i5-10400F

The Core i3-1115G4E packs 2 cores / 4 threads, while the Core i5-10400F offers 6 cores / 12 threads — the Core i5-10400F has 4 more cores. Boost clocks reach 3.9 GHz on the Core i3-1115G4E versus 4.3 GHz on the Core i5-10400F — a 9.8% clock advantage for the Core i5-10400F (base: 2.2 GHz vs 2.9 GHz). The Core i3-1115G4E uses the Tiger Lake-U (2020−2021) architecture (10 nm), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core i3-1115G4E scores 5,231 against the Core i5-10400F's 13,029 — a 85.4% lead for the Core i5-10400F. Geekbench 6 single-core — the metric most relevant to gaming — records 1,506 vs 1,454, a 3.5% lead for the Core i3-1115G4E that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Core i3-1115G4E vs 12 MB (total) on the Core i5-10400F.

The Core i3-1115G4E uses the FCBGA1449 socket (PCIe 4.0), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i3-1115G4E versus DDR4-2666 on the Core i5-10400F — the Core i3-1115G4E supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-10400F supports up to 128 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 4 (Core i3-1115G4E) vs 16 (Core i5-10400F) — the Core i5-10400F offers 12 more lanes for additional GPUs or NVMe drives.

Neither processor supports overclocking. Only the Core i3-1115G4E supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Core i3-1115G4E) vs VT-x, VT-d (Core i5-10400F). The Core i3-1115G4E includes integrated graphics (UHD Graphics for 11th Gen (48 EU)), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i3-1115G4E targets Embedded, Core i5-10400F targets Gaming. Direct competitor: Core i3-1115G4E rivals Ryzen Embedded V2516; Core i5-10400F rivals Ryzen 5 3600.

At launch, the Core i3-1115G4E was priced at $213, while the Core i5-10400F came in at $160. On launch pricing ($213 vs $160), Core i5-10400F was $53 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-1115G4E delivers 24.6 pts/$ vs 81.4 pts/$ for the Core i5-10400F — making the Core i5-10400F the 107.3% better value option.

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