Core i5-4440 vs Core i3-1005G1

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

The Core i5-4440 uses the LGA1150 socket (PCIe 3.0), while the Core i3-1005G1 uses FCBGA1526 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i5-4440 versus DDR4-3200 / LPDDR4-3733 on the Core i3-1005G1 — 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: H81,B85,H87,Z87,H97,Z97 (Core i5-4440) and Ice Lake-U SoC (Core i3-1005G1).

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 i5-4440) vs VT-x / VT-d / EPT (Core i3-1005G1). Both include integrated graphics — HD Graphics 4600 (Core i5-4440) and Intel UHD Graphics (Ice Lake) (Core i3-1005G1) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-4440 targets Budget, Core i3-1005G1 targets Thin-and-light. Direct competitor: Core i5-4440 rivals Ryzen 3 1200.