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
Video
Sorenson Squeeze 5.01
We are using Sorenson Squeeze to convert eight AVCHD videos into HD Flash videos for use on websites.
MainConcept Reference 1.61
One of our favorite video transcoding utilities is MainConcept Reference. We set our profile to iPOD HQ NTSC and then transcode a 651MB 1080P file to a iPOD friendly 34.7MB file.
Sony Vegas Pro 9.0 x64
We transcode a 370MB 1080AVCHD file using the Mainconcept MPEG-2 1920x1080 60i, 25Mbps setting with 6-channel audio.
CyberLink MediaShow Espresso
We transcode a 370MB 1080AVCHD file into a HD friendly file suitable for publishing on YouTube. This program features GPU hardware accelerated decoding via ATI Stream or NVIDIA CUDA but is disabled in our test routines.
Audio
Sonar Producer 8 x64
We utilize Sonar Producer extensively at home when mixing various music tracks. This test performs a complex mix of five individual tracks into a single title. We covert these tracks into a WAV format utilizing a 192kHz sample rate along with all other options enabled. This title thrives on memory bandwidth.
iTunes 9 x64
We import the album Tommy by The Who to our disk in WAV format. The directory consists of 25 songs totaling 751MB. We then convert this music collection to MP3 format utilizing 320Kbps VBR Highest audio settings or to an AAC format using the iTune Plus option.
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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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