Core i3-1005G1 vs Core i5-4440

The Core i3-1005G1 packs 2 cores / 4 threads, while the Core i5-4440 offers 4 cores / 4 threads — the Core i5-4440 has 2 more cores. Boost clocks reach 3.4 GHz on the Core i3-1005G1 versus 3.3 GHz on the Core i5-4440 — a 3% clock advantage for the Core i3-1005G1 (base: 1.2 GHz vs 3.1 GHz). The Core i3-1005G1 uses the Ice Lake (Client) (2019) architecture (10 nm), while the Core i5-4440 uses Haswell (2013−2015) (22 nm). In PassMark, the Core i3-1005G1 scores 4,827 against the Core i5-4440's 4,788 — a 0.8% lead for the Core i3-1005G1. Geekbench 6 single-core — the metric most relevant to gaming — records 603 vs 1,031, a 52.4% lead for the Core i5-4440 that directly translates to higher frame rates. Multi-core Geekbench: 2,605 vs 2,837 (8.5% advantage for the Core i5-4440). L3 cache: 4 MB (total) on the Core i3-1005G1 vs 6 MB (total) on the Core i5-4440.

The Core i3-1005G1 uses the FCBGA1526 socket (PCIe 3.0), while the Core i5-4440 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 / LPDDR4-3733 on the Core i3-1005G1 versus DDR3-1600 on the Core i5-4440 — the Core i3-1005G1 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-1005G1 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. Both provide 16 PCIe lanes. Chipset compatibility: Ice Lake-U SoC (Core i3-1005G1) and H81,B85,H87,Z87,H97,Z97 (Core i5-4440).

Neither processor supports overclocking. Only the Core i3-1005G1 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x / VT-d / EPT (Core i3-1005G1) vs VT-x, VT-d, EPT (Core i5-4440). Both include integrated graphics — Intel UHD Graphics (Ice Lake) (Core i3-1005G1) and HD Graphics 4600 (Core i5-4440) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-1005G1 targets Thin-and-light, Core i5-4440 targets Budget. Direct competitor: Core i5-4440 rivals Ryzen 3 1200.