Budget Micro-ATX P55 Faceoff: Gigabyte GA-P55M-UD2 and ASRock P55M Pro
by Gary Key on October 5, 2009 12:30 PM EST- Posted in
- Motherboards
AutoCAD 2009 x64
We utilize AutoCAD 2010 x64 and the Cadalyst Labs 5 benchmark.
3ds Max 2010 x64
We utilize a rather large mental ray image and track the time it takes to render it.
Blender 2.49a x64
We utilize the flying squirrel benchmark image and track the time it takes to render it.
Cinema 4D R11 x64
Cinema 4D R11 is one of our favorite programs to create high-end 3D images and animations. We track the time it takes to render a swimming pool layout.
LightWave 3D 9.6 x64
Another popular 3D rendering program is Lightwave 3D 9.6. In this test we time the rendering of a single frame from an office building animation. The time to render the full scene is approximately four and a half hours.
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Gary Key - Monday, October 5, 2009 - link
The PCIe lanes coming off the P55 are 2.0, the problem is that they are running at 1.x speeds (2.5GT/s). On these two boards, the x16 slot is off Lynnfield and will not be affected by any card placed in the x4 or x1 slots off the P55.Mr Perfect - Tuesday, October 6, 2009 - link
I should probably know this, but what does a 2.0 slot running at 1.x speed bring to the table that a 1.x slot doesn't? Does it provide more power or something?MadMan007 - Tuesday, October 6, 2009 - link
Yes I was half right with my post and nothing Gary said was technically wrong it's just misleading. They are PCIe 2.0 spec slots but running at half speed, this is clear from Intel's chipset disgram. It's really a farce to call them PCIe 2.0 though because the overridingly most important change from 1.x to 2.0 is the double bandwidth, there are other changes like the power rating I believe and maybe some low level changes but nothing major. I think it's false advertising to call them PCIe 2.0 personally because they don't fully conform to the spec.In any case I'd still like to know how many lanes the main CPU-based slot retains when a 1x or 4x card is placed in a secondary CPU-based PCIe slot. Anandtech seems to be more receptive to odd little investigations like this so I hope Gary will check it out.
james.taylor - Monday, May 10, 2010 - link
Hi Gary, Thank you so much for this informationjames.taylor - Monday, May 10, 2010 - link
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