Core i5-4670S vs Core i3-8100T

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

The Core i5-4670S uses the LGA1150 socket (PCIe 3.0), while the Core i3-8100T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i5-4670S versus DDR4-2400 on the Core i3-8100T — 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 — HD Graphics 4600 (Core i5-4670S) and UHD Graphics 630 (Core i3-8100T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-4670S targets Desktop Low Power, Core i3-8100T targets Desktop.

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