Core i3-8100T vs Core i5-4670S

Both the Core i3-8100T and Core i5-4670S share an identical 4-core/4-thread configuration. Boost clocks reach 3.1 GHz on the Core i3-8100T versus 3.8 GHz on the Core i5-4670S — a 20.3% clock advantage for the Core i5-4670S (base: 3.1 GHz vs 3.1 GHz). The Core i3-8100T uses the Coffee Lake (2017−2019) architecture (14 nm), while the Core i5-4670S uses Haswell (2013−2015) (22 nm). In PassMark, the Core i3-8100T scores 5,257 against the Core i5-4670S's 5,252 — a 0.1% lead for the Core i3-8100T. L3 cache: 6 MB (total) on the Core i3-8100T vs 6144 kB (total) on the Core i5-4670S.

The Core i3-8100T uses the LGA1151 socket (PCIe 3.0), while the Core i5-4670S uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i3-8100T versus DDR3-1600 on the Core i5-4670S — the Core i3-8100T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-8100T 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.

Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Both include integrated graphics — UHD Graphics 630 (Core i3-8100T) and HD Graphics 4600 (Core i5-4670S) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-8100T targets Desktop, Core i5-4670S targets Desktop Low Power.

The Core i3-8100T launched at $117 MSRP, while the Core i5-4670S debuted at $213. At current prices ($59 vs $30), the Core i5-4670S is $29 cheaper. In terms of value (PassMark points per dollar), the Core i3-8100T delivers 89.1 pts/$ vs 175.1 pts/$ for the Core i5-4670S — making the Core i5-4670S the 65.1% better value option.