What is the difference between Intel® Core i7-8550U (1.8 GHz / 4.0 GHz) and Intel Core i7-7200U—2.5 GHz up to 3.1 GHz? Which one is better? - Quora
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Intel Core i5-5200U vs Core i5-6200U vs Core i5-7200U - how the most mainstream Intel chip has matured | LaptopMedia UK
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