Core i3-7100H vs Core i3-4340

Both the Core i3-7100H and Core i3-4340 share an identical 2-core/4-thread configuration. Boost clocks reach 2.8 GHz on the Core i3-7100H versus 3.6 GHz on the Core i3-4340 — a 25% clock advantage for the Core i3-4340 (base: 3 GHz vs 3.6 GHz). The Core i3-7100H uses the Kaby Lake-H (2017) architecture (14 nm), while the Core i3-4340 uses Haswell (2013−2015) (22 nm). In PassMark, the Core i3-7100H scores 3,450 against the Core i3-4340's 3,490 — a 1.2% lead for the Core i3-4340. Geekbench 6 single-core — the metric most relevant to gaming — records 1,011 vs 1,024, a 1.3% lead for the Core i3-4340 that directly translates to higher frame rates. L3 cache: 3 MB (total) on the Core i3-7100H vs 4 MB (total) on the Core i3-4340.

The Core i3-7100H uses the BGA1440 socket (PCIe 3.0), while the Core i3-4340 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i3-7100H versus DDR3-1600 on the Core i3-4340 — the Core i3-7100H supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-7100H 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: HM175,QM175,CM238 (Core i3-7100H) and H81,B85,Q85,H87,Q87,Z87,H97,Z97 (Core i3-4340).

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i3-7100H) vs VT-x, EPT (Core i3-4340). Both include integrated graphics — HD Graphics 630 (Core i3-7100H) and HD Graphics 4600 (Core i3-4340) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-7100H targets Performance Laptop, Core i3-4340 targets Mainstream Desktop. Direct competitor: Core i3-7100H rivals Ryzen 3 2300U; Core i3-4340 rivals FX-6350.