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 2016-09-13, 22:40 #1 primecrusader   Sep 2016 3 Posts Should I upgrade to a quad core I have two computers which I am going to use to run prime 95. One has a Pentium dual core e5300@2.6ghz and the other has a 2.5ghz Pentium dual core ?????? (can't check right now as I am at school). I will be overclocking and water cooling each CPU as much as I can and each computer has one 1gb of DDR2 RAM I am thinking of upgrading each CPU to a quad core - maybe a Q6600 if it will make prime 95 significantly faster. Q6600s are only about $20 if they are bought used online.  2016-09-13, 23:20 #2 paulunderwood Sep 2002 Database er0rr 32×11×37 Posts I would recommend an Intel chip with AVX. 2016-09-13, 23:31 #3 henryzz Just call me Henry "David" Sep 2007 Cambridge (GMT/BST) 133558 Posts Quote:  Originally Posted by primecrusader I have two computers which I am going to use to run prime 95. One has a Pentium dual core e5300@2.6ghz and the other has a 2.5ghz Pentium dual core ?????? (can't check right now as I am at school). I will be overclocking and water cooling each CPU as much as I can and each computer has one 1gb of DDR2 RAM I am thinking of upgrading each CPU to a quad core - maybe a Q6600 if it will make prime 95 significantly faster. Q6600s are only about$20 if they are bought used online.
If you include power Q6600s are very inefficient. A modern cpu can LL test 4x the speed at 1/3-4 the power.
Pretty much anything from the last 3-4 years would be better even with the increased price.

 2016-09-14, 02:24 #4 LaurV Romulan Interpreter     Jun 2011 Thailand 223408 Posts All those CPUs have LGA775 socket, so if you want to upgrade to a higher CPU, you will also need a mobo upgrade. As they may come with different power connectors, you need a new power supply too.. So, if the man wants only to upgrade the CPU for \$20, let him do. The p95 speed will double, but that is still insignificant comparing with what a newer CPU can do. However, if you want to run the computers mainly for P95 (i.e. you let it occasionally open overnight, etc), then you may spend in one year the money difference, for electricity. Those old CPUs are power-hungry beasts, compared with the new, more efficient i3s. After one year, you spent the same amount of money on "old computer running p95, plus electricity" as you would have spent on "upgrading to a new computer and electricity to run p95 for one year", and you still have the old computer, plus 4 times less P95 credit. So, if the money are an issue, think twice. (It can not be, because you talk about liquid cooling, and that, if properly done, is not cheap either!) For us, "100.1 miles per hour is better than 100 miles per hour", so you will help the project anyhow, no matter what way you chose. Last fiddled with by LaurV on 2016-09-14 at 02:25

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