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The Intel Core i7-5600U was a mobile processor with 2 cores, launched in March 2015, at an MSRP of $393. It is part of the Core i7 lineup, using the Broadwell-U architecture with BGA 1168. Thanks to Intel Hyper-Threading the core-count is effectively doubled, to 4 threads. Core i7-5600U has 4 MB of L3 cache and operates at 2.6 GHz by default, but can boost up to 3.2 GHz, depending on the workload. Intel is making the Core i7-5600U on a 14 nm production node using 1,300 million transistors. The multiplier is locked on Core i7-5600U, which limits its overclocking potential.