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4th Generation Intel® Core™ i7 Processors

The latest Intel® microarchitecture on the 22 nm manufacturing process delivers significant performance advancements—including vastly improved graphics, battery life, and security—for a zero-compromise computing experience. With key features such as Intel® Hyper-Threading Technology, that allows each processor core to work on two tasks at the same time for greater multitasking, to the Intel® Iris™ graphics for stunning 3-D visuals and faster, more advanced video and photo editing, the 4th generation Intel® Core™ i7 processor delivers top-of-the-line performance for your most demanding tasks. Learn more about 2 in 1 and tablet devices featuring Intel Core processors.

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Specifications

Processor Number Cache Clock Speed # of Cores/
# of Threads
Max TDP/
Power
Memory Types Graphics
Intel® Core™ i7-4980HQ Processor (6M Cache, up to 4.00 GHz) 6.0 MB 2.80 GHz 4 / 8 47 DDR3L-1333, 1600 Intel® Iris™ Pro Graphics 5200
Intel® Core™ i7-4870HQ Processor (6M Cache, up to 3.70 GHz) 6.0 MB 2.50 GHz 4 / 8 47 DDR3L-1333, 1600 Intel® Iris™ Pro Graphics 5200
Intel® Core™ i7-4770HQ Processor (6M Cache, up to 3.40 GHz) 6.0 MB 2.20 GHz 4 / 8 47 DDR3L-1333, 1600 Intel® Iris™ Pro Graphics 5200
Intel® Core™ i7-4578U Processor (4M Cache, up to 3.50 GHz) 4.0 MB 3.00 GHz 2 / 4 28 DDR3L-1333, 1600; LPDDR3-1333, 1600 Intel® Iris™ Graphics 5100
Intel® Core™ i7-4790K Processor (8M Cache, up to 4.40 GHz) 8.0 MB 4.00 GHz 4 / 8 88 DDR3-1333/1600 Intel® HD Graphics 4600
Intel® Core™ i7-4790 Processor (8M Cache, up to 4.00 GHz) 8.0 MB 3.60 GHz 4 / 8 84 DDR3-1333/1600 Intel® HD Graphics 4600
Intel® Core™ i7-4790S Processor (8M Cache, up to 4.00 GHz) 8.0 MB 3.20 GHz 4 / 8 65 DDR3-1333/1600 Intel® HD Graphics 4600
Intel® Core™ i7-4790T Processor (8M Cache, up to 3.90 GHz) 8.0 MB 2.70 GHz 4 / 8 45 DDR3-1333/1600 Intel® HD Graphics 4600

Performance Benchmarks

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Product and Performance Information

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1. "Conflict free" and "conflict-free" means "DRC conflict free", which is defined by the U.S. Securities and Exchange Commission rules to mean products that do not contain conflict minerals (tin, tantalum, tungsten, and/or gold) that directly or indirectly finance or benefit armed groups in the Democratic Republic of the Congo (DRC) or adjoining countries. We also use the term "conflict-free" in a broader sense to refer to suppliers, supply chains, smelters, and refiners whose sources of conflict minerals do not finance conflict in the DRC or adjoining countries.