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Old 07-11-09   #1 (permalink)
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Default LinX > Prime95?

I've been running Prime95 for over 20min now on all four cores, but RealTemp never indicated a temperate over 39°C. With LinX, I was easily over that within five minutes at a lower core speed.

When stress testing for stability, what should I use? Does LinX also have an error log if the system becomes unstable?

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Old 07-11-09   #2 (permalink)
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LinX does heat up the CPU more than prime 95, and can often detect instability quicker. That said, they are both good tests, and you should use both of them when checking stability.
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Old 07-11-09   #3 (permalink)
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Thanks for the confirmation.

Well 5min after writing this, P95 found an error, so after 25min. And the Voltage was set to Auto... it was actually at 1.28V instead of the stock 1.25.

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Old 07-11-09   #4 (permalink)
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I have a good after market cooler so I always use 5 passes of IntelBurnTest for a quick check on stability. When I get to where I want to keep my settings at I will run 20 passes to check for stability. From what I understand if your cpu can make 20 passes of IntelBurnTest it can pass anything else. It does heat my cpu up about 7c hotter than prime95. I don't know how to OC the 780i but I do know my C1 Q9550 runs 3.4ghz on my x48 when i set vcore to 1.2v, NB to 1.4, and VTT to 1.16.
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Old 07-11-09   #5 (permalink)
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Interesting. I read that Linx is supposed to be better than IBT, although both use Intel's Linpack.

So what is recommendable as a quick stability test before clocking higher?

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Old 07-11-09   #6 (permalink)
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Personally if it can pass over 250 runs of LinX (as maxed as you can get it) then your stable. I can pass 500 but my damn rig died....

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Old 07-11-09   #7 (permalink)
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I've passed P95 for 12 hours and failed ITB within 3 passes. That instantly tells me that ITB is better than P95 but might not be a total substitue. Personally if my CPU will run 20 passes of ITB I would think the odds of it failing 24 hours of prime95 to be next to none. I thought LinX and ITB were basically the same thing since they both use Linpacks.
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Old 07-12-09   #8 (permalink)
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Yeah I have settled with Linx, I'm very happy with it's UI and ease of use.

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Old 07-12-09   #9 (permalink)
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i find intel burn test with LOTS of ram will detect most instability within 5 runs and PURE unarguable stability in 25
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Old 07-12-09   #10 (permalink)
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Yeah, I use 15 runs at 1792mb in Linx. That gave me around 20min of stress at 3.6GHz, which is good when raising clocks. I'd figure 50 runs at 3072mb would be ideal for long time stress testing, but I haven't gotten so far yet.

System: The [real] Green Machine
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Intel Q9550 E0
Motherboard
XFX 780i SLI
Memory
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Sound Card
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CPU cooling
Lapped TRUE on lapped die
GPU cooling
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OS
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