Core i3-7100U vs Core i5-8210Y

Both the Core i3-7100U and Core i5-8210Y share an identical 2-core/4-thread configuration. Boost clocks reach 2.4 GHz on the Core i3-7100U versus 3.6 GHz on the Core i5-8210Y — a 40% clock advantage for the Core i5-8210Y (base: 2.4 GHz vs 1.6 GHz). The Core i3-7100U uses the Kaby Lake (2016−2019) architecture (14 nm), while the Core i5-8210Y uses Amber Lake-Y (2018−2021) (14 nm). In PassMark, the Core i3-7100U scores 2,721 against the Core i5-8210Y's 2,723 — a 0.1% lead for the Core i5-8210Y. Geekbench 6 single-core — the metric most relevant to gaming — records 841 vs 796, a 5.5% lead for the Core i3-7100U that directly translates to higher frame rates. L3 cache: 3 MB on the Core i3-7100U vs 4 MB on the Core i5-8210Y.

The Core i3-7100U uses the BGA1356 socket (PCIe 3.0), while the Core i5-8210Y uses FCBGA1515 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Core i3-7100U versus LPDDR3-2133 on the Core i5-8210Y — the Core i3-7100U supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-7100U supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Core i3-7100U) vs 10 (Core i5-8210Y) — the Core i3-7100U offers 2 more lanes for additional GPUs or NVMe drives.

Neither processor supports overclocking. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — HD Graphics 620 (Core i3-7100U) and UHD Graphics 617 (Core i5-8210Y) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-7100U targets Mainstream Laptop, Core i5-8210Y targets Tablet/2-in-1. Direct competitor: Core i3-7100U rivals Ryzen 3 3200U; Core i5-8210Y rivals Athlon 3050U.