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Irritating issue

regulus

regulus

regulus

Soldato
Joined
18 Aug 2006
Posts
10,053
Location
ChCh, NZ
I run a 5870 clocked to 1000/1280 @ 1255V (mv). Temps at 42 idle, 50's under load

Doesn't matter what I do, gameplay is choppy and benchmarks aren't running well (Stone Giant mainly). Once I stick things back to default clocks, everything run well again. I have a 30' monitor en route (2560 X 1600) and a clock of that magnitude would help a lot at those resolutions. Any ideas what's causing the trouble? Not enough juice?
 
No, it's fine at default settings. Can run both Afterburner and CCC open at default with good performance. Can even overclock a bit and still runs fine. Anything above 965 Core runs slow.
 
Still running choppy after disabling CCC in MSCONFIG. Somehow it's not liking MSI. Any clocks in there is choppy. Uninstalled MSI and clocked with CCC and now it runs fine. Only issue is that I cannot tweak voltages in CCC which means lower clocks. Unless there is a way?
 
If you're using the afterburner OSD or just monitoring to many things with a polling rate of 2000 or less can cause FPS drops and stuttering in games. Reduce polling rate to 4000 and reduce the amount stuff you're monitoring and disable OSD.
 
Your GPU and possibly the memory are throttling. Try higher voltage on the GPU, 1.28V or so and if it doesn't help, clock the memory back to 1200.
 
Removed CCC, running purely Afterburner. It stutters, regards of what clock/voltages I use. At default it's fine, I clock it 1MHZ over default and it stutters. Removed Afterburner and stuck CCC back on. Clocked to 970/1265 and it runs fine now. So clearly Afterburner is bothering something deep in the heart of the system.
 
Running the latest afterburner?

Card under water? 50 c max temps seem real low for air cooling, could mean your clocks are not going up when gaming, check they are.
 
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