Core i7-870 vs Core i3-4170T

The Core i7-870 packs 4 cores / 8 threads, while the Core i3-4170T offers 2 cores / 4 threads — the Core i7-870 has 2 more cores. Boost clocks reach 3.6 GHz on the Core i7-870 versus 3.2 GHz on the Core i3-4170T — a 11.8% clock advantage for the Core i7-870 (base: 2.93 GHz vs 3.2 GHz). The Core i7-870 uses the Lynnfield (2009−2010) architecture (45 nm), while the Core i3-4170T uses Haswell (2013−2015) (22 nm). In PassMark, the Core i7-870 scores 3,164 against the Core i3-4170T's 3,133 — a 1% lead for the Core i7-870. Geekbench 6 single-core — the metric most relevant to gaming — records 476 vs 800, a 50.8% lead for the Core i3-4170T that directly translates to higher frame rates. Multi-core Geekbench: 1,541 vs 1,600 (3.8% advantage for the Core i3-4170T). L3 cache: 8 MB (total) on the Core i7-870 vs 3 MB (total) on the Core i3-4170T.

The Core i7-870 uses the LGA1156 socket (PCIe 2.0), while the Core i3-4170T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The Core i3-4170T 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. Both provide 16 PCIe lanes. Chipset compatibility: P55,H55,H57,Q57 (Core i7-870) and H81,B85 (Core i3-4170T).

Neither processor supports overclocking. Both support VT-x, VT-d virtualization. The Core i3-4170T includes integrated graphics (Intel HD Graphics 4400), while the Core i7-870 requires a dedicated GPU. Primary use case: Core i7-870 targets Legacy Desktop, Core i3-4170T targets Low Power Desktop.

The Core i7-870 launched at $300 MSRP, while the Core i3-4170T debuted at $117. At current prices ($80 vs $17), the Core i3-4170T is $63 cheaper. In terms of value (PassMark points per dollar), the Core i7-870 delivers 39.5 pts/$ vs 184.3 pts/$ for the Core i3-4170T — making the Core i3-4170T the 129.3% better value option.