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i5-760
760 is quad core, 665 is dual core with hyper-threading.
the 665 has integrated graphics, unlocked multiplier and is 32nm but the 760 is still the better choice
comparison : http://www.anandtech.com/bench/Product/144?vs=191
I find it strange that the 760 is cheaper but better. Normally Intel put the price up for each level of speed.
It's not quite like that. They apply GHz tax. Sell the same thing with higher clock multipliers for massively higher prices - just look at i7 930 compared to i7 975! Same thing.
Being just a dual core with a rubbish GPU, the i5 665 is way worse than i5 760 and should be cheaper. But at 3.2GHz it has more GHz tax than the 2.8GHz i5 760 and comes out more expensive overall.
Simples![]()