Originally Posted by kevindd992002
Which is the best bang-for-the-buck CPU nowadays for my gigabyte ep45-ud3p mobo?
Definitely upgrade the video card, since you can use the card in a new system.
Then, a Q9650 will be an excellent choice IF you want to wait for ivy bridge. You can get it to 4.5 ghz if you get a good chip and have good cooling, and if you figure out the proper voltage and GTL ref tweaks for the UD3P. 4.2ghz is basically a given with a decent chip as long as it's e0 stepping.
You can upgrade now, but you'll need cpu, board, ddr3, and video card, and MIGHT need a power supply if you don't have an 8 pin eps12v connector. A new Ud3p can sell for over $200 on ebay. Just don't expect forumers to pay that price; we know better than to overpay for outdated tech that went for $160 new.
Either way, the video card is one thing you want to upgrade whether you like it or not. So you can ignore that factor.
One thing worth noting is if you just get the cpu and card, you can skip this entire upgrade cycle and wait for ivy bridge. If you can sell the board for $250 somehow, that will pay for a new board right there, and a 2500k cpu will be the same price as a Q9650 will go for new. It's your call.
BTW you can get 8 gb of ddr3 for $100 easily, although it won't be the best clocking RAM.
Ok so let's look at this expense wise.
1) Sell board on ebay for $200 (easily) and $250 (if you're lucky). That pays for your new P67 B3 board.
2) i7-2500k pays for the Q9650 you were going to buy, so cost is deflected.
If you plan to jump on ivy bridge the instant it hits, 2500k makes sense. 2600k + HT will be a good purchase if you can afford it, though.
3) Your main expense then will be RAM ($100 or slightly less if you want to go cheap; some 8 gb skill kits are $85), *AND a SATA DVD drive*.
I think people left out the SATA DVD. Most P67 boards don't have IDE ports, and there are still alot perfectly good IDE burners/readers out there, they won't be able to be transferred.
So, yeah...if your PSU has an 8 pin connector, you're probably looking at $150 total expense for the upgrade.
Note: for the videocard, if you buy a card with an 8 pin PCIE connector, and your PSU only has two 6 pins, you can get an adapter from pc power and cooling's website for only $10. A LOT cheaper than newegg sells theirs for.