I have this EXACT same CPU. Brisbane! I actually overclocked the 2.6GHz to 3.1GHz and it's actually can almost hold its own, lol.
Let me copy/paste what I wrote earlier:
"Don't worry about the bottleneck. It's not the CPU bottlenecking the GPU, it's the CPU being a bottleneck to the game itself. Your CPU will not be able to handle the game as well regardless of the video card. A dual core at 3.0 GHz should be enough for most games and there are a few games that are CPU intensive so you don't have to upgrade right away. I think GTA4, and Starcraft2 are some of the CPU intensive games. This is a moot point because we're talking about the 7770, not buying a cpu/mobo/gpu.
I have a old desktop with an AMD X2 5000+ (dual core 2.6GHz OCed to 3.1GHz) with a GTX 560 Ti that can handle most games pretty well. The CPU in this case is worse than yours, and the GTX 560 Ti is about 80-85% better than the 7770 and the doesn't really experience "bottleneck" from most games."
I overclocked the 560 Ti to 940MHz and am getting gains on gaming performance so it's not bottlenecked by the CPU at all.
I couldn't find the exact article that explains this so well, but here's another that I found: http://www.tomshardware.com/revie...737-7.html
This page shows the performance of Battlefield 2 Bad Company 2, and on the bottom chart, it shows the difference betwen 1, 2, 3 and 4 cores. There is a dropdown menu on the page that tests other games. Some games do matter, and other games do not.
Anyways, you'll be fine with the 7770, and don't worry about gpu bottleneck on a dual core. Most games are designed for dual cores.
IS YOUR BRISBANE (AMD X2 5000+) CPU IN A DELL E521 COMPUTER? IF SO, WILL THE ASUS CARD IN THE FOLLOWING LINK (http://www.newegg.com/Product/Pro...6814121633 ) fit in the computer without being obstructed? If you look at the picture, the Asus fan extends a bit on one side/edge. here is a picture on another site of another video card in the Dell E521 (http://pics.bbzzdd.com/users/goba...G_1024.JPG) but the card in the picture doesn't extend like the Asus card. Would the Dell black cooler obstruct it?
Hi, sorry, I don't have that Dell. I bought the CPU/mobo/ram for $50 on craigslist a while back. I would never buy a Dell (sorry, I think Dell sucks).
Anyways, That 2nd image link doesn't work, but I googled it and I get what you're saying. The black CPU cooler case thing. I saw it before on a computer I fixed and I think it's made of a cheap plastic. If it does get in the way, I would just cut the plastic so that it fits. It's not like the CPU really needs the black casing. And if you cut it carefully, it will still function as it's supposed to (blow out the CPU heated air through the back).
Or, I would just remove the black casing altogether. It's really unnecessary.
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