Core i3-1115G4 vs Core i5-10310U

The Core i3-1115G4 packs 2 cores / 4 threads, while the Core i5-10310U offers 4 cores / 8 threads — the Core i5-10310U has 2 more cores. Boost clocks reach 4.1 GHz on the Core i3-1115G4 versus 4.4 GHz on the Core i5-10310U — a 7.1% clock advantage for the Core i5-10310U (base: 2.2 GHz vs 1.7 GHz). The Core i3-1115G4 uses the Tiger Lake-UP3 (2020−2021) architecture (10 nm SuperFin), while the Core i5-10310U uses Comet Lake-U (2019−2020) (14 nm). In PassMark, the Core i3-1115G4 scores 5,860 against the Core i5-10310U's 5,864 — a 0.1% lead for the Core i5-10310U. Geekbench 6 single-core — the metric most relevant to gaming — records 1,579 vs 1,284, a 20.6% lead for the Core i3-1115G4 that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Core i3-1115G4 vs 6 MB on the Core i5-10310U.

The Core i3-1115G4 uses the FCBGA1449 socket (PCIe 4.0), while the Core i5-10310U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 4 (Core i3-1115G4) vs 16 (Core i5-10310U) — the Core i5-10310U offers 12 more lanes for additional GPUs or NVMe drives.

Neither processor supports overclocking. Only the Core i3-1115G4 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — UHD Graphics for 11th Gen (48 EU) (Core i3-1115G4) and UHD Graphics for 10th Gen (Core i5-10310U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-1115G4 targets Mainstream Laptop, Core i5-10310U targets Business Laptop. Direct competitor: Core i3-1115G4 rivals Ryzen 3 5300U; Core i5-10310U rivals Ryzen 5 PRO 4650U.