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Computer advice 3.2GHz vs 4GHz

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mrjimyjohn:
The difference between i5s and i7s is "hyperthreading".

i5 - 4 physical cores, 4 logical
i7 - 4 physical cores, 8 logical

Both are quad core processors but each of the physical cores in an i7 is sharing 2 "threads" or tasks, so the result is 8 logical cores.

If you're going to be editing 4K video you are certainly going to want the i7, if you're just playing it back you could probably get by with an i5. You will definitely notice differences though so if you can afford to grab the newer one I'd recommend it.

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