Overclocking

Maximum overclock data was added to our Performance graphs beginning with the nForce4 SLI roundup several months ago. The overclocking performance graphs allow a better comparison of the overclocking capabilities of tested boards. For more details on the specific overclocking abilities of a specific board, please refer to the Overclocking and Memory Stress Test section of individual board reviews.

Overclocking

Overclocking - A64 4000+ (Clawhammer)

The overclocking performance of the Asus A8N32-SLI Deluxe was just as impressive as what the Asus design suggested it might be. We reached 310 at the reduced multiplier, and set a new record for the highest stock overclock that we have tested with this CPU.

It should be pointed out that even at these very high overclocks, the A8N32-SLI remained much cooler than other boards that we have tested for overclocking abilities. Those willing to spend some time with this Asus will be likely rewarded with ever higher performance than what we achieved.

Asus claims cooler operation and greater OC abilities with their 8-phase power and Stack Cool 2 design, and we have no reason to argue with that claim. This board is remarkably stable no matter how hard you push it.

When you compare 310 with the poor overclocking that we found on the earlier Asus A8N-SLI, it is remarkable how much progress Asus has made on the AMD front. Asus is one of the best regarded brands for Intel motherboards, but their AMD designs have not recently shown the same design finesse that made several Asus Intel designs almost legendary performers. We clearly can’t count Asus out in AMD any more. The A8N32-SLI Deluxe is a terrific board!

Performance of Features

If you look closely at the auxiliary chips used on the Intel version of this board (the Asus P5N32-SLI Deluxe), you will see that they are exactly the same as those used on this AMD version. Base NVIDIA chipsets are also all but identical.

After running a few tests of feature performance, we found performance of the A8N32-SLI features virtually the same as those detailed in Asus P5N32-SLI: Dual x16 - What Dreams Are Made On... This should not be surprising to anyone. With that reality in mind, we decided not to repeat detailed results of features performance. If you want to know more about how the features of the A8N32-SLI perform, please refer to test results beginning on page 11 of the recent Asus P5N32-SLI Deluxe review.

NVIDIA SLI-AA Final Words
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  • Marlin1975 - Friday, November 4, 2005 - link

    quote:

    It is ironic that NVIDIA pioneered decent on-board sound with their nForce2 chipset, and they now have the worst audio solution available for AMD


    That can not be stressed enough. I don't mind paying a couple extra bucks to get a nice VIA Envy sound or even the new C-media Dolby chip. But the ac97 realtek junk needs to die.
  • phusg - Friday, November 4, 2005 - link

    quote:

    quote:

    quote:
    It is ironic that NVIDIA pioneered decent on-board sound with their nForce2 chipset, and they now have the worst audio solution available for AMD


    That can not be stressed enough. I don't mind paying a couple extra bucks to get a nice VIA Envy sound or even the new C-media Dolby chip. But the ac97 realtek junk needs to die.


    Agreed. Only it's even worse: nVidia pioneered decent on-board sound with their nForce1 chipset (not nForce2).
  • Concillian - Friday, November 4, 2005 - link

    I definitely agree, and don't think this was mentioned in the 'Final Words'.

    With lack of PCI-e support from soundcards and many other add-in cards, it's important to minimize add-in cards, especially on an SLI setup where slots may be eaten up by coolers for the 2 video cards.

    With the way this board is layed out, if you have 2 cards in SLI with big coolers you have 1 PCI and 1 x4 PCI-e slot left. If you're forced to populate the PCI slot with a soundcard you're done... seeing as how there are very few PCI-e cards out there.

    I would also not be blaming nVidia... ASUS could implement a better audio solution if they wanted to (like DFI does with Karajan and MSI does with SBLive!), but they chose not to. To blame nVidia seemingly absolves ASUS of responsibility, and that's not right. The board is made by ASUS, not nVidia. Any blame for a poor audio implementation belongs to ASUS.

    nVidia supposedly had little demand for soundstorm because motherboard manufacturers weren't ordering enough. At least that's the story that was fed to us. Giving specific manufacturer designs poor ratings because of crappy audio implementation is the way to get manufacturers to implement better solutions regardless of what their supplier gives them. Blaming their supplier gives them a cop out. Blaming ASUS gets them looking for innovative solutions and asking nVidia to supply them with better options integrated into future chipsets.
  • phusg - Friday, November 4, 2005 - link

    quote:

    nVidia supposedly had little demand for soundstorm because motherboard manufacturers weren't ordering enough. At least that's the story that was fed to us.


    Also the motherboard manufacturers complained at the high cost of the Dolby Digital Live licence (something like $5 a chipset if I remember rightly). I've always said nVidia should go have a chat with the competitors DTS. Wouldn't that be something?
  • DanaGoyette - Friday, November 4, 2005 - link

    I've been pondering this for a while:

    Since the nForce4 x16 northbridge uses Hypertransport to communicate with its southbridge,
    and the nForce2 southbridge uses HyperTransport to communicate with its northbridge,

    Shouldn't it be possible to replace or supplement the nForce4 southbridge with the nForce2 MCP-T and use its APU? Either that, or combine it with the nForce Professional MCPe?

    Even better, use the nForce2 MCP-T with the GeForce 6100/6150 northbridge for integrated audio and video!
  • psychobriggsy - Friday, November 4, 2005 - link

    It all depends on whether the southbridge used (a standard nForce4 SLI) has a downstream HyperTransport link.

    I imagine it doesn't, therefore you have: [CPU]===[nF SP100]===[nF SLI]

    I suppose you could connect an ULi PCIe southbridge to a couple of spare PCIe lanes for it's built in Azalia audio, and another bazillion SATA ports, IDE ports and USB ports, lol.
  • DanaGoyette - Friday, November 4, 2005 - link

    Er, I didn't mean nForce Professional AND nf4 with the MCP-T, I meant one or the other. I wonder if it's even possible to use the NF2 southbridge like this. I believe the BIOS might take some work, but you never know until you try!


    [CPU] - [nF Pro] - [NF2 MCP-T]
    [CPU] - [SLIx16] - [NF2 MCP-T]
    [CPU] - [gf6100] - [NF2 MCP-T]
  • yacoub - Friday, November 4, 2005 - link

    This board is definitely on my list to track pricing. If this thing comes down enough I'll be getting this when I build my new system instead of the older Asus SLI-Premium I was looking at.

    Hopefully Asus soon releases that sweet passively-cooled 7800series card (hopefully a GT) as well. It debuted in this article: http://www.anandtech.com/tradeshows/showdoc.aspx?i...">http://www.anandtech.com/tradeshows/showdoc.aspx?i...
  • yacoub - Friday, November 4, 2005 - link

    Can you mount an XP-90 on the processor without interfering with the heatpipes or MOSFETs around the socket?
  • yacoub - Friday, November 4, 2005 - link

    Did you guys test any of the aftermarket cooling systems like the XP90 and XP120 for clearance? That's rather important to overclockers, especially on a board like this!

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