Core i5-3570S vs Core i5-7400T

Both the Core i5-3570S and Core i5-7400T share an identical 4-core/4-thread configuration. Boost clocks reach 3.8 GHz on the Core i5-3570S versus 3 GHz on the Core i5-7400T — a 23.5% clock advantage for the Core i5-3570S (base: 3.1 GHz vs 2.4 GHz). The Core i5-3570S uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Core i5-7400T uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Core i5-3570S scores 4,686 against the Core i5-7400T's 4,692 — a 0.1% lead for the Core i5-7400T. Geekbench 6 single-core — the metric most relevant to gaming — records 663 vs 1,069, a 46.9% lead for the Core i5-7400T that directly translates to higher frame rates. Both processors carry 6 MB (total) of L3 cache.

The Core i5-3570S uses the LGA1155 socket (PCIe 3.0), while the Core i5-7400T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i5-3570S versus DDR4-2400 on the Core i5-7400T — the Core i5-7400T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-7400T 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: H61,B75,H77,Z75,Z77 (Core i5-3570S) and B150,Q170,B250,Q250,H110,Q270,H170,Z170,H270,Z270 (Core i5-7400T).

Virtualization support: VT-x, VT-d, EPT (Core i5-3570S) vs Yes (Core i5-7400T). Both include integrated graphics — HD Graphics 2500 (Core i5-3570S) and Intel HD Graphics 630 (Core i5-7400T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-3570S targets Legacy Desktop. Direct competitor: Core i5-3570S rivals A10-5800K.

The Core i5-3570S launched at $213 MSRP, while the Core i5-7400T debuted at $182. At current prices ($59 vs $78), the Core i5-3570S is $19 cheaper. In terms of value (PassMark points per dollar), the Core i5-3570S delivers 79.4 pts/$ vs 60.2 pts/$ for the Core i5-7400T — making the Core i5-3570S the 27.6% better value option.