Core i5-10310U vs Core i3-1115G4

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

The Core i5-10310U uses the FCBGA1528 socket (PCIe 3.0), while the Core i3-1115G4 uses FCBGA1449 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-10310U) vs 4 (Core i3-1115G4) — 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 10th Gen (Core i5-10310U) and UHD Graphics for 11th Gen (48 EU) (Core i3-1115G4) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-10310U targets Business Laptop, Core i3-1115G4 targets Mainstream Laptop. Direct competitor: Core i5-10310U rivals Ryzen 5 PRO 4650U; Core i3-1115G4 rivals Ryzen 3 5300U.