ATI HD 7770 vs ATI HD 5750

ombyoureaninja · Sep 22, 2013

So, I updated my gfx card from the 5750 to the 7770, and noticed when I play a certain game (second life), I have lower FPS than I did with the 5750, however with the more resource intensive game (Tera online) I have a steady FPS without dropping, unlike with the 5750 it lagged a bit.

My build is as follows:

OS: Win 7-64bit
RAM 5GB
CPU: AMD Phenom II X4 810 2.6GHz
ATI HD 7770

I really don't think it's the CPU bottlenecking. I don't have a clue what it is, just very disappointing and annoying.

Getting more RAM soon, maybe that will help. Suggestions are awesome though

EDIT:

So, when I check my gfx card usage throughout playing second life, it peaks at 45% and I'll have like 12 fps. Tera it's 95% consistently.

4745454b · Sep 22, 2013

The 7770 is a faster card. Though not way faster. What's the CPU use during second life?

ombyoureaninja · Sep 22, 2013

It's between as you saw in the picture, that was second life behind it. It jumps around between 15-38% most of the time. If I go to a new area it goes to 60-80% for a few seconds and goes back down.

That's what I'm not understanding, it's supposed to be slightly better, but it's acting like it isn't.

4745454b · Sep 22, 2013

I was going to ask when that pic was took. Because the GPU is only 17%. And the CPU use is similar at 15%. No where near the 40 and 90% numbers you gave.

If you have 45% CPU use and 45% GPU use during a game then you have a problem somewhere else. I doubt its the ram. 5GBs is an odd amount, and running in single channel, but shouldn't cause this problem. Might be a driver problem. Or the game is poorly coded.

ombyoureaninja · Sep 22, 2013

See, I knew it wasn't my CPU. That's the thing though, with my 5750 I get FPS of like 114 and my card is at like 92%. And it isn't because my GPU is using too much power, my power usage is like 418 watts and I have a 700 watt PSU. I'm at a loss.

fudoka711 · Sep 22, 2013

Hmm, I have to ask - have you tried updating to the most recent amd drivers? I also agree that I don't think its your cpu that's the issue either. I'm not really sure how good the coding is on second life.

ombyoureaninja · Sep 22, 2013

Yes, even though both the 5750 and the 7770 use the same driver at the moment, I did a clean install with the AMD utility and re-installed the driver.

ombyoureaninja · Sep 23, 2013

Yeah, I give up at this point lololololol. I've tinkered with everything relevant to it.

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