I want to upgrade my computer system because my from last 5 years its performance is too low. I am planning to upgrade to Intel Core i7 CPU. So I need to upgrade my motherboard and RAM also because older RAM is DDR2 which is not compatible with Core i7. I decided to buy 4x 4 GB corsair voyager RAM and Intel Desktop Board DZ68ZV motherboard series. But I am little bit confuse on processors which is best from Intel core i7 2700K and Intel core i7 3770K. Which processor is more compatible and more powerful among this. Anyone have great knowledge in processors then please help for better selection and give me specification and feature in detail. I also want to know my power supply unit is 750W so should I need to change it?
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