Why did Intel name their processors as i3, i5 and i7 instead of i2, i4 and i6 or i1, i2, i3, i4 and so on? - Quora
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Intel Haswell CPU review - Core i7 4790K, Core i5 4690K, Core i4 4400K, and Core i3 4160K benchmarked | Overclock.net
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