Core i3-7100H vs Core i7-2657M

Both the Core i3-7100H and Core i7-2657M share an identical 2-core/4-thread configuration. Boost clocks reach 2.8 GHz on the Core i3-7100H versus 2.7 GHz on the Core i7-2657M — a 3.6% clock advantage for the Core i3-7100H (base: 3 GHz vs 1.6 GHz). The Core i3-7100H uses the Kaby Lake-H (2017) architecture (14 nm), while the Core i7-2657M uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i3-7100H scores 3,450 against the Core i7-2657M's 3,491 — a 1.2% lead for the Core i7-2657M. Geekbench 6 single-core — the metric most relevant to gaming — records 1,011 vs 535, a 61.6% lead for the Core i3-7100H that directly translates to higher frame rates. L3 cache: 3 MB (total) on the Core i3-7100H vs 4 MB on the Core i7-2657M.

The Core i3-7100H uses the BGA1440 socket (PCIe 3.0), while the Core i7-2657M uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i3-7100H versus DDR3-1333 on the Core i7-2657M — 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 8 GB — 155.6% 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 HM65,HM67,QM67,QS67,UM67 (Core i7-2657M).

Neither processor supports overclocking. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — HD Graphics 630 (Core i3-7100H) and HD Graphics 3000 (Core i7-2657M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-7100H targets Performance Laptop, Core i7-2657M targets Ultrabook. Direct competitor: Core i3-7100H rivals Ryzen 3 2300U; Core i7-2657M rivals A6-3420M.