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775 quad cpu

post #1 of 8
Thread Starter 
MB: ga-ep45-ud3l
cpu: e6750 OC'd to 3.2
ram: 4 gb (2x2)
psu: 650w
gpu: gts 450

I'm trying to get more life out of my aging, yet still capable system. I'm thinking about upgrading my video card to either a hd 6870, or hd 6950. My pc is strictly use for gaming. I have a few questions about my current cpu.

1) Since I'm still using a dual core, I was wondering if my cpu would bottleneck these cards--particularly the 6870 and 6950?
2) Would upgrading to a 775 quad core be a big difference?
3) How good of a value would it be if I could get a used quad for <$80? (Basically anything from the q6600, q8000s, and lower end q9000s)
4) I know that the q6600 was a very popular chip and exceptional at overclocking. Again, for under $80, am I better off looking for the q8000s and 9000s?

Thanks.
post #2 of 8
Going quad core probably won't help much as even many of the newer games are limited to two cores. Only way to really improve would get higher clocks and/or new cpu architecture, which is clearly out of your budget.
post #3 of 8
I'd get the best gpu you can afford, try to increase the oc on the cpu and call it good. Quad's are great, but won't make the huge difference that going from a GTS450 to a HD6950 would.
If you do want a quad I would go after a Q9xxx first - uses less power than a Q6600 and is a newer architecture. Just remember to load a bios for your mobo that will support a newer chip.
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post #4 of 8
What a coincidence, I also upgraded from an E6750 a while ago. If you are going to upgrade I'd pick up a Q9450/9550 off of craigslist as you can usually get a cheap combo deal, I know around here some guy was selling his with a Evga nForce 790i and 8 GB of DDR3 for $200. I would strongly advise against going for the Q8s due to the low cache and speed (they aren't as good as the E8's were) if you're trying to keep the price low and can't find a Q9450 for cheap look for a Q6600. You can always BSEL mod it to raise the FSB which I believe would bump it up to 3 GHz at 1066 > 1333 mhz from the standard 2.4. On the card I'm currently running I know there's a big lifting of a bottleneck from 3.2 Ghz to 3.4 GHz (mainly in BF3) so shoot for around that if you feel its holding you back. Basically if you can find a Q9XXX for under $80 by all means get that, but if that's not the case go with a Q6600, skip over the Q8XXX at all costs. Good luck, you should see a nice boost in games like Battlefield 3 if you're into FPSes, I know it got rid of the stutter for me thumb.gif
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post #5 of 8
Thread Starter 
Quote:
I'd get the best gpu you can afford, try to increase the oc on the cpu and call it good. Quad's are great, but won't make the huge difference that going from a GTS450 to a HD6950 would. If you do want a quad I would go after a Q9xxx first - uses less power than a Q6600 and is a newer architecture. Just remember to load a bios for your mobo that will support a newer chip.

Yeah, my original idea was just to upgrade my gpu and leave my cpu as is until I do my next build; however, that probably won't be until at least another year or two.

Alas, the Q9550s are way too high. It looks like the only q9000s options for me at the moment are the q9300 and a few q9400s. Plenty of q8000s...though now I'll have to reconsidered them.
post #6 of 8
Quote:
Originally Posted by mumbojumbo View Post

Quote:
I'd get the best gpu you can afford, try to increase the oc on the cpu and call it good. Quad's are great, but won't make the huge difference that going from a GTS450 to a HD6950 would. If you do want a quad I would go after a Q9xxx first - uses less power than a Q6600 and is a newer architecture. Just remember to load a bios for your mobo that will support a newer chip.
Yeah, my original idea was just to upgrade my gpu and leave my cpu as is until I do my next build; however, that probably won't be until at least another year or two.
Alas, the Q9550s are way too high. It looks like the only q9000s options for me at the moment are the q9300 and a few q9400s. Plenty of q8000s...though now I'll have to reconsidered them.

Please don't you will most likely regret the decision, if you find a Q6600 I'm almost positive you can BSEL them to get a decent FSB Change for the CPU and then you can OC from there! I accidentally purchased a Q8400 on Amazon and immediately returned it when I saw the super low cache and bought a Q9450 instead.
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post #7 of 8
Thread Starter 
Well, a q6600 is definitely within my reach under $80 on craigslist around my area. At the same time, so are some of the q8200, 8300 and q9300, 9400. The q9450 and above are being listed way too high and therefore, out of the question. With a limit of around <$80, out of those 5 listed, I'm still better off getting a q6600 or q6700, even though they're a bit older technology than the latter ones?

I'm not familiar with a BSEL mod. Will it risk damaging the cpu?
post #8 of 8
Quote:
Originally Posted by mumbojumbo View Post

Well, a q6600 is definitely within my reach under $80 on craigslist around my area. At the same time, so are some of the q8200, 8300 and q9300, 9400. The q9450 and above are being listed way too high and therefore, out of the question. With a limit of around <$80, out of those 5 listed, I'm still better off getting a q6600 or q6700, even though they're a bit older technology than the latter ones?
I'm not familiar with a BSEL mod. Will it risk damaging the cpu?

I don't believe so you're just shorting out one pin that sets the FSB to 1066 on the CPU, forcing it up to 1333 or 1600 which most motherboards don't support.
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