Radeon 5770 doesn't seem to pull its weight.

June 26, 2011 at 17:45:27
Specs: Windows 7 Home Premium 64 bit, AMD Phenom II X4 965 ~3.4 GHz / 4 gigs
Hello, it's my first time here, and I've been dealing with this possible issue with my GPU. I say "possible" because this may or may not just be me overestimating the capabilities of the card, but let me first address the issue here. About a year ago, I purchased a Sapphire HD Radeon 5770 for my PC. Now, this was an upgrade from an 8800 GTX, so I was expecting at lease some decent frame rate improvements in games. However, I've only noticed my computer's performance is only marginally better than it was prior to my upgrade. I'm talking about 5-10 FPS increase. What puzzles me is that I know someone who has a 5750 who doesn't seem to be encountering any of these issues at all. He's even getting about 20-30 frames better than I am on this card.

I've tried absolutely everything that I could think of, and I've worked part time IT a few summers ago, but this problem just escapes me. Is this the fact that the 5770 is just an entry-level card, or what?

Thanks in advance, even if there is nothing to help me with.

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June 26, 2011 at 18:36:14
The HD 5770 is only slightly better than the 8800 GTX. 10 FPS difference (give or take) seems about right. It would depend on the game.

What are the system specs of your friends computer with the HD 5750? Is his setup comparable to yours? Is he also running Win7 64-bit? Does he have the exact same software installed as you? Same number of programs loading at startup & running in the background? Same anti-virus program? Same sized monitor? Same native screen resolution? Exact same game settings when playing the exact same game?

In other words, there are an awfully lot of variables that come into play.

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June 26, 2011 at 19:23:07
Hi mickliq, thanks for the reply.

I had just asked him his other system specs, he's got about 6 GB of RAM, as well as a 1440x900 monitor. What's interesting is that in a graphics demanding game such as Metro 2033, he seems to get around 40-50 FPS running at high settings. I get around 10-20 at same settings and that is due to PhysX. It could be that I only have 4 GB and two 1680x1050 monitors. I'll have to ask him for the rest of his system specs such as anti-virus, as well as startup programs. Hope that helped.

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June 26, 2011 at 20:59:06
That dual moniters is most likely what is making your framerates drop.

Ram and cpu can make a difference as well with bottleneck issues but I'm pretty sure it is the dual moniters doing it.

ATI can cross-fire as well, which can help with framerate issues, but you will need 2 gpu cards

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