Audio Performance

We limited audio testing to the Rightmark 3D Sound version 2.2 CPU utilization test and tested with sound enabled to show the performance effects on several games. The Rightmark 3D Sound benchmark measures the overhead or CPU utilization required by a codec or hardware audio chip.

The Realtek ALC-882D HD audio codec was tested with the recently released 1.31 driver set. The Realtek DirectSound audio drivers do not support more than 32 hardware buffers and the OpenAL 1.1 drivers do not support more than 30 hardware buffers at this time, so the scores cannot be directly compared to the HDA Mystique 7.1 and Creative Labs Sound Blaster X-FI cards in the benchmarks. The Realtek OpenAL 1.1 driver increases CPU utilization up to 21% more than the Realtek DirectSound drivers in the 3D tests.

Audio Performance - Empty CPU - 32 Buffers

Audio Performance - 2d Audio - 32 Buffers

Audio Performance - DirectSound 3D HW - 32 Buffers

Audio Performance - DirectSound 3D EAX2 - 32 Buffers

The Realtek ALC-882 HD audio codec generates acceptable CPU utilization rates with reductions of up to 28% in the 3D EAX test compared to the previous driver release. The HDA Mystique 7.1 Gold has the highest overall utilization rates of the audio solutions tested. The Realtek ALC-882D performance is equal to the ALC-850 (driver set 3.82) and offers significantly better audio quality. The Sound Blaster X-FI has the lowest overall rates as expected. Let's find out how these results translate into real world numbers.

Game Audio Performance - Serious Sam II - Branchester Demo

Game Audio Performance - Splinter Cell Chaos Theory

Game Audio Performance - BattleField 2

Game Audio Performance - Call of Duty II - Demo 5

Game Audio Performance - F.E.A.R. - Performance Test

The audio performance numbers remain consistent as the Realtek ALC-882D finishes behind the HDA Mystique 7.1 and SoundBlaster X-FI in several benchmarks. Serious Sam II suffers a loss of 45%, Splinter Cell at 2%, Battlefield 2 at 21%, Call of Duty 2 at 4%, and F.E.A.R. at 2%. The output quality of audio with the Realtek ALC-822D is probably the best of the on-board audio solutions that we have heard and continues to improve with each driver release. The vast majority of users should have no issues utilizing the ALC-882D as their primary audio solution, considering the overall quality of audio and performance at this time.

However, if you are a serious gamer, then a dedicated sound card is still a requirement to ensure consistent frame rate averages across a wide variety of games. We noticed in previous testing of our Battlefield 2 and Half Life 2 benchmarks, the Realtek HD audio codec would cause stuttering in intensive scenes. The 1.31 driver release has now eliminated all stuttering in our current benchmarks while improving performance across the board except in Serious Sam II. We did not notice the same performance degradation in Serious Sam II with the 1.31 driver set and the Realtek ALC-882 codec on the Intel chipset boards. We are still investigating this issue.

Ethernet Performance Final Words
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  • CrystalBay - Friday, March 10, 2006 - link

    sorry, ;)
  • Witchfire - Friday, March 10, 2006 - link

    I have to disagree that the reviewers do not follow up on comments or complaints from users. Gary has been communicating with me regularly about my concerns with the AT8 I've been having, and has been very helpful. I'm no eleite member, and haven't even managed triple digit postings, yet he took the time & trouble to listen to my concerns, attempt to recreate them on his mobo, and lend assistance.

    Thanks, Gary, your help and professionalism have been greatly appreciated.
  • bthjf1 - Friday, March 10, 2006 - link

    The problem with all these reviews is that they don't go back to check what's is going one with the board they just tested with normal users. A number of peoples (one being me) have been arguing (with their helpdesk) and waiting for 3 months now for Abit to provide a proper support for the intel Presller core on the AW8 motherboard series (i955) or proper support for different type of memory. All I can say Abit support is very very poor and I will strongly advice anybody thinking of purchasing a board from Abit to look elsewhere. Just poppin's into http://forum.abit-usa.com/showthread.php?t=102711">http://forum.abit-usa.com/showthread.php?t=102711 and have a read ...
  • Gary Key - Friday, March 10, 2006 - link

    quote:

    The problem with all these reviews is that they don't go back to check what's is going one with the board they just tested with normal users.


    I cannot comment on other review sites, but I can assure you that Wes and I do go back and look at the history of the motherboards tested and take comments from users very seriously. I know I spend at least 10 hours a week assisting users with their issues and at times being an arbitrator for the customer with the supplier. We both spend a similar amount of hours each week if not more working directly with the suppliers on issues and trying to ensure problems are solved or at least corrected in the next product design. While we are not always successful, I do believe you would be surprised at the number of issues that are solved quickly. I will bring up your AW8 issue with Abit this weekend. :)
  • bthjf1 - Saturday, March 11, 2006 - link

    Thanks for any help you can provide. The comment was not direct to Anandtech but to a couple of other review sites which didn't really care (ie: not my problem). The concern with Abit is since the takeover from USI the support have not been great ~ total of communication. I've been reading Anandtech for many years (too long !) and my post was more to get some help with Abit . They will listen to Anandtech since you can reach millions but not necessary a single user ;-)

    Jon
  • Plasmoid - Friday, March 10, 2006 - link

    I have to agree with you, Abit need to sort out their support.

    The benchmarks prove that this is a great motherboard, interestingly it outperforms all its rivals at stock just like the AN8, but the bios lets it down (interestingly just like the AN8)
    If they can sort out these bios issues fast it should be a fantastic value motherboard. There were problems with the temperature reporting on the AN8 and incompatibility with XI-FI cards from creative that took much to long to address though. Im sad to say this kind of thing is what you can get with Abit. Hopefully it is a short term problem that they have had over the last 6 months.

    All bad things said im really happy with my abit motherboard, and the OCGuru certainly is a godsend for overclockers. Havent seen such things as completly dynamic fan speed control in any other motherboard.
  • Patrese - Friday, March 10, 2006 - link

    Am I the only one who finds this kind of positioning of the IDE connectors crappy? Most people who are buying PCs now are using SATA HDs, so the connectors should be exactly where they are, on the low-right of the board. But the IDEs are used for CD-RW/DVD-RWs drives mostly, and would be much better suited to the top right of the board IMO. I got a good-old AN7 and I just hate tbe IDE cables crossing my case from top to bottom just to reach the connnectors...

    Besides that, great review and promising mobo, once the BIOS is fixed. It's great to see Abit back!
  • n7 - Friday, March 10, 2006 - link

    I think his comments were a tad harsh, but i am one of those users who read the Asus A8R-MVP review here, & got pretty excited.
    I actually starting spreading the praises on forums i visit of this great value mobo.

    Then i got the mobo, & actually, i was quite happy with it.
    For a few weeks, that is.

    Then i started discovering all sorts of issues, the worst being the ethernet hanging/crashing, something which many others have also had issues..

    I now hear there's a Marvell driver directly from their site that supposedly fixed the problem, but i've already bought an ethernet card, so i don't really care to try it, since both the driver from the CD & the driver from Windows update didn't work properly.

    Another issue i've encountered is wildly fluctuating vcore. (1.31-1.41V, for example! - with overvoltage disabled)
    Others have also reported this. I am using software to measure this, so it's possible that it is incorrectly reading it, but i'm guessing not.

    Another problem is that even smaller overclocks aren't stable in games for me, whereas i had much higher OCs stable with my previous Neo2.
    I cannot figure out why yet, but it seems to be either the fluctuating vcore, or it's been mentioned that the RAM isn't even stable even with a divider when using 1T.

    It's one thing for OCs to vary between mobos, but going from 2.55 GHz to 2.2 GHz with the same hardware? No way.

    I am going to test things this wknd with the RAM @ 2T, & see if that fixes the stability issues, but one shouldn't have to run RAM @ 2T on any good motherboard in the first place.

    Anyway, what i'm trying to say is that while some many not have had trouble, a lot of people have, which is why there's negativity surround that A8R-MVP reviews.

    As far as i am concerned, it seems like Asus used us who bought the A8R-MVP as beta testers so they could release the A8R32-MVP with the issues fixed...

  • Zoomer - Tuesday, March 21, 2006 - link

    I get a similar problem with vCore on their A8N-E. Perhaps its due to Asus's choice of voltage regulator?
  • Pete84 - Friday, March 10, 2006 - link

    With conroe ~6 months away, I wonder how badly AMD's FX and high end sales will suffer. Who is going to spend out for a brand new system when it will be destroyed by Conroe?

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