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Probably, there's quite a bit more crammed into the chip :)

I've seen other people say these cards throttle at low temps so I just decided to test this. I forced my fans to run at 25% and I didn't see any throttling until it went past 83c, even then the card only dipped volts by .025 and bumped 20-30mhz off my overclock.

I'm sure you guys are right about the power limit as my max temp is 73c, I'll do some more experimenting. The only thing that confuses me is why I don't see any power limiting in Afterburner's monitors, also power usage doesn't go over 108%.

Maxing both sliders eventually gives me a driver crash with these settings. Maxing power limit alone doesn't crash but it also doesn't stop the throttling. I should probably just back off my gpu overclock a bit but I don't feel though I'm pushing especially hard, the RAM is at 8ghz but it...

That's what I assumed but I can't actually find evidence for it when I look at the sensors in Afterburner or GpuZ.

Thanks for the reply. It's happening after running Kombustor for a while, I haven't seen it happen with Heaven yet but the card is definitely being 100% loaded.

No, still throttling at 125% power limit. Perfcap reason in GpuZ still reads grey for 'util'.

I've upped the power/temp limit to 125% and I haven't seen the card clock down so far, still wondering if anyone else has any experience with this.

The blue bit is VRrel and the grey bit is Util. It looks exactly the same if I stress test my card (blue) and then stop (grey).

I managed to force the card to throttle by pushing my overclock further than normal, the PerfCap Reason graph is all blue until the throttle kicks in and it turns to grey...no idea what this means though :p

I wanted a couple more FPS in GTA V so I decided to do some overclocking. I'm not pushing too hard (110% power limit, 1467mhz GPU, 8ghz RAM) and I can run 12hr burn sessions without a crash but today I noticed the card throttling down and I had to reboot to reset the clocks. Max power...

Your 4.4ghz overclock seems similar to mine, I'm on 1.18v, your idles and peak temps look good so I'd say the TIM has applied properly. As well as running a few intensive games I'd recommend a few eight hour runs of Asus Realbench just to be sure. Don't worry about temps destroying your chip...

Still no sign of clock fluctuations, looks like the mystery is solved, fingers crossed.

Think I've found the problem, after setting cache ratio min/max to 40 I've not seen any fluctuations, will leave the PC burning over night and see what happens :)

I was getting the combat stutter too, rolled back and it's completely fixed.

Asus' forums are so damn frustrating to use. But anyway, I've tried disabling the XMP profile and manually configuring everything, fingers crossed.

Thanks for the reply, I did think this might be what's going on but turbo mode gets automatically enabled if I set ratios to anything other than auto, I can't seem to keep turbo mode off.

Yeah I've generally followed his advice, apart from using way less voltage on the CPU but I'm hoping that's not why I'm blue screening. It's definitely not why my cpu is clocking up to 4.6ghz at least :p

I've tried disabling anything obvious but so far no luck.

Hmm, it briefly downclocked to 4172mhz, max temps 75c :confused: