Understanding GPU temps

I searched the forums for this before asking. I might have missed something though. Basically on my GPU there are four sensors recognized by HWiNFO32. Thermal diode, MemIO, DispIO and shader. I get up to a difference of 10oC under loadbetween the MemIO and DispIO. basically, i was wondering if one of those temperature is more critical to watch than others.

Memory tends to run hotter than the DispIO. So far max i got under load was 94 for mem and 83 for disp.

 

Memory is the most crucial to watch. It is the most susceptible to damage by heat.

 

that's basically it.

 

Thanks for the answers. Of course, according to murphy's law, i just found the same info in another thread, though any amount of searching probably wouldn't have found it.

 

Know that GDDR5 will always run hot. Don't worry too much about that.

Keep your core temps below 90.

 

After much browsing in the forums, that's what i was aiming for. Never went over 83.5 degrees though

 

shoot, my memIO on my G73 w/ 5870 runs hot! Running Furmark stress test, I hit 106-107C, and in GTA4 it'll hit 98-103C regularly... Have to laugh, went from a G51 that was always said to run hot and I'd hit low to mid 90's in games, but my G73 with it's "upgraded cooling" runs way hotter.

Now, as a disclaimer, I have never had any sort of stability issue at all, has been perfect in that regaurd.

 

Yes the G73's card does run hot but its extremely stable even in those temps, I guess danger levels would be 110+C

 

So, next question, would replacing the stock gpu thermal compound with MX-3 help the memIO temps? On my G51, the core used compound, but the memory all used little thermal pad stickers... so curious if opening up the G73 replacing would help?

 

Someone on the forums probably know, however doing so will void the warranty if you do it yourself. XoticPC can do it for you when you purchase the G73 though and some users bought theirs from Xotic (logically one of them prbably bought his with better thermal paste).

 

Last I read XoticPC or GentechPC won't do that job as it takes too much time to do it for the cost of it.

The only way they will redo the thermal paste is if you get the CPU upgrade.

 

Will doing it lower the memIO temps though as well, or just the shader and core temp?