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4870 LOW SCORE. HELP!!!

Forum Graphic & Displays : ATI - 4870 LOW SCORE. HELP!!!

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gfg   04-20-2009 at 05:55:14 PM

I get very low scores on 3dmark03 and Vantage
My systen is:
cpu q6000@3ghz
gpu: msi 4870 512 (model T2-512) stock speed
cooler Termalteck V1
mother MSI P45 Platinum
Ram 8gb dd2 800mhz
disco raid0 2x120gb wd sata1
disco 500gb wd sata2
fuente powercooler 520W real (support CF)
SO Windows Vista Ultimate x64
Driver Catalyst 9.4

3dmark03
1 run: 47500 (OK??)
2 run: 42500
3/4 run: 41200

3dmark Vantage should be between 8500 and 8700 (gpu score only)
1 run 6250
2/3 run: 6150

The system is totally stable.
The power supply:
12v: always 11.78v@12.1
5v: always 5.01v@5.3
3.3v: always 3.31v@3.45


What can I do to improve the score?
please advance.
thanks.-

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mactronix   04-20-2009 at 06:37:34 PM
- 0 +

Try running 3dm 06 and not 03 then we might have an idea where you are at.

Mactronix

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RazberyBandit   04-20-2009 at 08:18:09 PM
- 0 +

Many card manufacturers would consider 11.78V output on the 12V rail sub-par and/or out of spec. Is that the rating at idle or under load? If it's at idle, load rating would be even less. Real shame all the info on the net about that power supply is in Spanish.

Message quoted 1 times
Message edited by RazberyBandit on 04-20-2009 at 08:18:25 PM
Reply to RazberyBandit
mactronix   04-20-2009 at 08:45:10 PM
- 0 +

RazberyBandit wrote :

Many card manufacturers would consider 11.78V output on the 12V rail sub-par and/or out of spec. Is that the rating at idle or under load? If it's at idle, load rating would be even less. Real shame all the info on the net about that power supply is in Spanish.




Then many card manufacturers need to go and read the ATX specifications. The ATX specs say the +12v rail has a +- 5% tollerance. 11.78v is slightly better than 2% which is better than i have seen for Corsair Power supplies on review.

Mactronix

Reply to mactronix
RazberyBandit   04-20-2009 at 09:23:50 PM
- 0 +

You're absolutely right the card manufacturers need to do so. When I spoke with eVGA about my 8800GT RMA, I was informed that the card was designed to run at 11.9V to 12.4V, clearly not matching the ATX standard. The tech agent didn't mention 12V voltage again once I pointed that fact out to him.

 

The issue I was raising here was whether or not his 12V rail voltage is under load or at idle. If it's at idle, it may be dropping even further while under load, taking it beyond an acceptable level for his particular card. It's entirely possible he may be experiencing drops to 11.5v under load, which can cause crashes on cards designed to operate with minimum voltages higher than that.


Message edited by RazberyBandit on 04-20-2009 at 09:24:34 PM
Reply to RazberyBandit
gfg   04-21-2009 at 01:09:23 PM
- 0 +

During the test: I was looking at the line voltage cpu and this varied between 1.2 and 1.4 when in fact put this set at 1.39v. Then disable all the options in the bios for energy saving, and the problem disappeared.

So now I have another problem: energy savings. Will I have to update the bios? mmmm....

For those who asked about the power supply: 12v line is always in 11.88 (load: 11.8~11.9 never less). not ideal but it works well (The PC is totally stable at full load.)

After disable the energy saving:
3dmark03: 48500. (OK)
3dmark vantage: 8680 gpu / 10700 cpu (OK)

Now why such low scores on saving energy?

thanks again.-

Reply to gfg
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