General Performance

With the Memory Controller on the Athlon 64 Processor, Winstone benchmarks are no longer very revealing of motherboard performance. With the same CPU (and the same memory controller on that CPU) both Winstones are tightly clustered. The only deviation from that is that boards that are tweaked for best gaming performance are often near the bottom of a tight range of benchmark performance numbers. The Winstone tests themselves are rapidly becoming dated, and are no longer supported by PC Magazine/VeriTest. While Winstones are still useful in providing real world performance data in CPU testing, we have dropped Winstones from our standard motherboard test suite.

General Performance

PCMark 2005 results for the seven AM2 boards show the Epox 570 at the top of the performance chart, followed closely by the ASUS M2N32-SLI. These results are very much in line with other results. Despite the close results in these tests, PCMark05 is proving to be a useful overall performance benchmark. It is generally more sensitive than the older Winstones and PCMark04 to recent improvements in PC architecture. PCMark05 results in general relate well to the other performance results we find in our board tests - providing a quick and reliable snapshot of board performance compared to other motherboards.

Rendering Performance

Rendering Performance

Rendering Performance

We have replaced Winstones with two benchmarks that use rendering to test system performance. Cinebench 9.5 and POV-RAY 3.6 benchmarks both heavily stress the CPU subsystem while performing graphics modeling and rendering. We utilize the standard benchmark demos in each program along with the default settings. Cinebench 9.5 features two different benchmarks with one test utilizing a single core and the second test showcasing the power of multiple cores in rendering the benchmark image.

While results are generally close in Cinebench, the ASUS 590 tops both Single-Core and Dual-Core test results, followed closely by the Epox in both tests. POV-Ray results are extremely close across DDR2 platforms and show the Gigabyte to be the top performer, followed closely by the ASUS. The Epox performance on POV-Ray 3.6 falls in the middle of the pack.

3D Graphics

The 3DMark benchmarks, published by Futuremark, are probably the most widely quoted gaming performance benchmarks available. While the benchmarks are based on game sequences written by Futuremark to reveal subtle differences in gaming performance, they still have to be considered synthetic benchmarks. They are useful for broad graphics comparisons, but they are no substitute for benchmarks with real gaming engines that are currently being played.

Graphics Performance

Graphics Performance

After topping PCMark2005 it was a surprise to see both ASUS and Epox nailing down the bottom of 3DMark performance. Results were close, differences were minor, but neither the ASUS nor Epox stood out from the pack in these benchmarks. 3DMark06 is the newest 3DMark and you can find more in-depth information about this version in the AnandTech article Futuremark's Latest Attempt: 3DMark06 Tested.

Encoding

We have found encoding results are not affected by the graphics card used during the encoding benchmarks, which should come as no surprise since theoretically this is to be expected. This is demonstrated again and again by archive test results for AutoGK using an AMD 4000+ processor with a wide assortment of video cards. The performance range of encoding tests over 2 years with the same CPU is just 48.1 to 49.1 - a difference form high to low of just 1.0 frame per second. Clearly the biggest influence on this encoding benchmark is the CPU used for testing. Because encoding test results vary so little on the same standardized motherboard test platform, they have been dropped from this review and future reviews. Encoding tests are very useful in CPU testing, but they have been shown to be poor motherboard tests - particularly on the AMD platforms with the memory controller on the CPU.

Test Setup Gaming Performance
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  • Wesley Fink - Wednesday, June 28, 2006 - link

    Asus opted to design for PCI access. With SLI using dual-width video cards there are still two PCI slots available, but the single x4 PCIe is covered. With single-width cards in SLI 3 PCI and an x4 PCIe are available.
  • MacGuffin - Thursday, June 29, 2006 - link

    The picture of the motherboard on Newegg is different: the AT review shows a PCI slot above the black PCIe x16 slot...but the retail board at Newegg has a PCIe x1 slot. Except for that, everything else looks identical. Are there two versions of this board floating around? One with 3 PCI/1 PCIe x4 and the other with 2 PCI, 1 PCIe x4 and 1 PCIe x1?
  • Wesley Fink - Thursday, June 29, 2006 - link

    There are 2 versions of the board - with WiFi and without. The retail version we tested was WITH WiFi built in.

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