I'm trying to upgrade my HP Pavilion P7 1234 CPU to one with better performance. Here are the specs (http://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c03363664 ). I also upgrade the gpu to the Asus 7770 and the cpu to the EVGA 500w. I'm looking at this cpu (http://www.amazon.com/dp/B00CLBZAWY/ref=sr_ob_10?ie=UTF8&qid=1457735663&sr=8-10&refinements=p_89%3AIntel%7CAMD%7CDell%7CGigabyte%2Cp_85%3A2470955011 ), this cpu (http://www.amazon.com/AMD-FD6300WMHKBOX-FX-6300-6-Core-Processor/dp/B009O7YORK/ref=sr_1_1?ie=UTF8&qid=1457735663&sr=8-1&keywords=cpu&refinements=p_89%3AIntel%7CAMD%7CDell%7CGigabyte%2Cp_85%3A2470955011 ), and this cpu (http://www.amazon.com/dp/B01BIWKNAK/ref=sr_ob_5?ie=UTF8&qid=1457737174&sr=8-5&refinements=p_89%3AIntel%7CAMD%7CDell%7CGigabyte ). Which one will work best for what I have. I'm trying to spend 100$ or less. Also would I have to buy a new cpu cooler with these?