Core i3-4170T vs Core i7-870

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

The Core i3-4170T uses the LGA1150 socket (PCIe 3.0), while the Core i7-870 uses LGA1156 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1600 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: H81,B85 (Core i3-4170T) and P55,H55,H57,Q57 (Core i7-870).

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 i3-4170T targets Low Power Desktop, Core i7-870 targets Legacy Desktop.

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