Core i7-3840QM vs Core i5-7600T

The Core i7-3840QM packs 4 cores / 8 threads, matching the Core i5-7600T's 4 cores. Boost clocks reach 3.8 GHz on the Core i7-3840QM versus 3.7 GHz on the Core i5-7600T — a 2.7% clock advantage for the Core i7-3840QM (base: 2.8 GHz vs 2.8 GHz). The Core i7-3840QM uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Core i5-7600T uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Core i7-3840QM scores 5,871 against the Core i5-7600T's 5,827 — a 0.8% lead for the Core i7-3840QM. Geekbench 6 single-core — the metric most relevant to gaming — records 676 vs 1,243, a 59.1% lead for the Core i5-7600T that directly translates to higher frame rates. L3 cache: 8 MB (total) on the Core i7-3840QM vs 6 MB (total) on the Core i5-7600T.

The Core i7-3840QM uses the PGA988 socket (PCIe 3.0), while the Core i5-7600T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i7-3840QM versus DDR4-2400 on the Core i5-7600T — the Core i5-7600T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-7600T 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: HM75,HM76,HM77,QM77,QS77 (Core i7-3840QM) and B250,H270,Z270 (Core i5-7600T).

Neither processor supports overclocking. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — HD Graphics 4000 (Core i7-3840QM) and HD Graphics 630 (Core i5-7600T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-3840QM targets Mobile Workstation, Core i5-7600T targets Low Power Desktop. Direct competitor: Core i7-3840QM rivals A10-5750M; Core i5-7600T rivals Ryzen 3 1300X.