- Mar 25, 2012
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So I decided to overclock my 1090t. I don't have the greatest motherboard or ram, so I decided 3.5ghz would be a modest, yet useful overclock. (Want it for handbrake encoding). It may not be stable enough for some people, but I think it is enough for handbrake. (Took 8 hours prime95 blend before two cores gave errors, intelburntest crapped it out after a few mins, added vcore and now it runs it for about 20-30mins before errors. I have also gamed and done general web browsing with no problems.)
Anyways, after I decided it was stable enough, I converted a video with handbrake and got an average fps of 65.4, did it again and got 66.1. Then I went back to stock clocks and got an average of 68.6 and 69.5???? I was baffled at first, but then I noticed that at the beginning of the encode, the overclock starts out with a higher fps and as my cpu fan gets louder, the fps slowly comes down. To me that sounds like the cpu is throttling itself because of heat, but in cpu-z it always showed 3.5ghz....so what's up with that? Maybe my overclock just simply isn't stable enough? Most people say prime95 blend for 12 hours is what you need. I haven't tried prime95 again after adding the vcore needed to get the intelburntest going for a reasonable amount of time, but I would expect it to get 12 hours at this point.
As for temps, (CPUID HWmon) I get up to 67C on the cpuin and up to 47C on all the core temps. Nobody seems to know which one to go by, although my motherboards setting for temperature threshold before the cpu fan goes full speed is the core temp. (It is set for 50C right now, and that is when my cpu fan rises to full speed.)
Anyways, after I decided it was stable enough, I converted a video with handbrake and got an average fps of 65.4, did it again and got 66.1. Then I went back to stock clocks and got an average of 68.6 and 69.5???? I was baffled at first, but then I noticed that at the beginning of the encode, the overclock starts out with a higher fps and as my cpu fan gets louder, the fps slowly comes down. To me that sounds like the cpu is throttling itself because of heat, but in cpu-z it always showed 3.5ghz....so what's up with that? Maybe my overclock just simply isn't stable enough? Most people say prime95 blend for 12 hours is what you need. I haven't tried prime95 again after adding the vcore needed to get the intelburntest going for a reasonable amount of time, but I would expect it to get 12 hours at this point.
As for temps, (CPUID HWmon) I get up to 67C on the cpuin and up to 47C on all the core temps. Nobody seems to know which one to go by, although my motherboards setting for temperature threshold before the cpu fan goes full speed is the core temp. (It is set for 50C right now, and that is when my cpu fan rises to full speed.)
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