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HD 5870 2GB - General performance

post #1 of 13
Thread Starter 
Hello, I'm having major issues with my Matrix 5870, simply saying: poor performance, frame skips, stutters, even with the GPU it self over clocked to 1000MHz core and 5200MHz memory it doesn't change anything.

I'll use GTA: TBoGT benchmark as my reference. With my system the average framerate I'm getting is 25fps (all maxed at 1920x1080p) at day time + frameskipping & stuttering - night around 40-60fps, not a very satysfying result. My old 4870 X2 achieves similar results. ( The game is patched.)
Other reference: Crysis, maxed out @ 1920x1080p with AA X8 - 35fps average on the benchmark tool.
Is that the general issue with optimization on ATi cards or is it just me ?
GPU Drivers : CCC 11.1
post #2 of 13
Sounds like a bad overclock to me. Try putting it back to stock settings and let us know the difference in FPS.
    
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post #3 of 13
Whats wrong with the crysis benchmark result? Isn't that about right? Maybe try clocking the cards memory down a bit.
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post #4 of 13
time to find the driver sweet spot

at least thats what it sounds like to me
    
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post #5 of 13
It does sound like a bad OC. I tried to OC my bro's GT 240 through Afterburner and it ended up loosing like 70% of it's performance, even though it was fully stable. When I set it to stock it was fine again.
    
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post #6 of 13
Yes, mine likes 825 1220 the best. I had it at 900 1250 and it got worse scores. Not worse performance game wise as your experimenting, but I never took it that high. It was pretty hot @950 1250. So it may be a heat thing. Try adding your water cooling to it.
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post #7 of 13
Crysis result seems ok to me
post #8 of 13
Quote:
Originally Posted by snelan View Post
It does sound like a bad OC. I tried to OC my bro's GT 240 through Afterburner and it ended up loosing like 70% of it's performance, even though it was fully stable. When I set it to stock it was fine again.
lol, same thing i oced a bit on my GT 240 and it lagged SO much worse.
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post #9 of 13
Thread Starter 
Quote:
Originally Posted by itcrashed View Post
Sounds like a bad overclock to me. Try putting it back to stock settings and let us know the difference in FPS.
Setting the CPU & GPU clocks back to normal does not influence GTA, but a few frames dropped in crysis. It cannot be that.

Eversince R* Games released their patch which "optimizes & enhanes the game" - I've gone down from 75fps to what it is now
I've got a couple of friends with a 1G 5870 achieving 3x higher framerates than I do.

Edit:
Just ran the GTA IV (2008) benchmark and tested it in game with my 1090T @ 3,2GHz. I've lost 10fps but the stuttering and frame skiping are gone (55fps @ benchmark, 65fps with 1090T @ 4,2GHz) - Why could it be so if the system was running like that for the last 3 months and caused me no problems what so ever, except in GTA.
Edited by MostWanted095 - 2/13/11 at 7:28pm
post #10 of 13
I had a matrix before, it overclocked very poorly. With maxed volts on memory i was able to get 4960mhz and on core 950 with 1.38V
Poor indeed, for gta 4 try 10.10e driver, will improve performance by a huge margin.
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