I recently switched from an ASRock P4V88 to an Asus P4P800. My P4 3.2E was idling at 48C and 52ish-C under load on my ASRock board. Now on my Asus mobo the cpu idles at 38C and 44ish-C under load. But the even weirder thing is that it's also overclocked about 300MHz(CPU 3.5ish, clock at 220MHz). What could I have done to cause the improved thermals?
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10C drop by mobo switch, huh?
- Thread starter Kritter
- Start date
zer0signal667
2[H]4U
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- 3,847
Kritter said:
Most likely, the sensors are just off, as they typically are. I would take those numbers with a grain of salt. They may be useful for comparison when making changes within the same system, but I wouldn't compare between different motherboards.
Well for starters, you can't change the motherboard without remounting the heat sink, so one quick theory would be that your thermal interface material sucked before and doesn't suck now. Plus you would have had to redo nearly everything in your case so you probably have better airflow now. Also this is all assuming both temperatures are completely accurate, which isn't necessarily the case.
lithium726
[H]F Junkie
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er, yeah, thats not goodKritter said:I did clean it up and apply less material. Also I didn't use my finger to spread this time.
spreading it with your finger introduces the oils on your finger into the compound, which isnt good. i would account taht to at lesat some of hte temperature discrepancy.
oh btw, im using this http://www2.newegg.com/Product/Product.asp?Item=0-N82E16835106042
Themaltake POLO 735
Themaltake POLO 735
Yeah, unfortunately, Asus has had a history of under reporting temperatures. I had the p4p800 deluxe with water cooling and arctic silver 5 (razor spreading method to get a thin layer on) and the temperature was 34 idle, 39C load (room temp 25C). The asus died and I switch to Abit IC7 Max3 with same cooling set up but case a little better ventilated (thermal probe). However, now, the bios tells me case is warmer than asus while cpu reads 48 idle, 56C at load. There is a website somewhere where asus and Abit motherboards were tested and compare to actual temperatures taken by third party probes. It was declared that Asus underreport by 5-8C and Abit over report by 8-10C.