Xvid Encoding:
We tested video encoding performance using VirtualDub-MPEG version 1.6.15 and a multi-threaded version of the Xvid codec, along with the LAME MT MP3 encoder for encoding audio. We did a two-pass encode of a 15-minute 276MB digital TV recording with a target file size of 100MB.
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MSI P35 Platinum (P35/ICH9R) - 7900 GTX
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MSI P35 Platinum (P35/ICH9R) - X1900 CF
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Asus P5K Deluxe WiFi AP (P35/ICH9R) - 7900 GTX
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Asus P5K3 Deluxe WiFi AP (P35/ICH9R) - 7900 GTX
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Asus Commando (P965/ICH8R) - 7900 GTX
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Asus Commando (P965/ICH8R) - X1900 CF
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Time in Seconds (lower is better)
Xvid encoding is slightly better than average with a single card, whereas enabling CrossFire adds a few seconds overhead causing the speed to drop off slightly.
MP3 Encoding:
We used LAME MT for our audio encoding test - it's the multi-threaded version of the popular LAME MP3 encoder. We ran tests with both Intel's and Microsoft's compilers - naturally, the Intel compiler resulted in some performance increases on Intel's processors. We converted all 18 tracks from Moby's popular Play album to a 192kbps variable bit-rate MP3.
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MSI P35 Platinum (P35/ICH9R) - 7900 GTX
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MSI P35 Platinum (P35/ICH9R) - X1900 CF
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Asus P5K Deluxe WiFi AP (P35/ICH9R) - 7900 GTX
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Asus P5K3 Deluxe WiFi AP (P35/ICH9R) - 7900 GTX
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Asus Commando (P965/ICH8R) - 7900 GTX
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Asus Commando (P965/ICH8R) - X1900 CF
Time in Seconds (lower is better)
Encoding times are extremely fast and very consistent for the MSI P35 Platinum using the Intel compiled LAME 3.97 encoder.
MP3 Decoding
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MSI P35 Platinum (P35/ICH9R) - 7900 GTX
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MSI P35 Platinum (P35/ICH9R) - X1900 CF
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Asus P5K Deluxe WiFi AP (P35/ICH9R) - 7900 GTX
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Asus P5K3 Deluxe WiFi AP (P35/ICH9R) - 7900 GTX
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Asus Commando (P965/ICH8R) - 7900 GTX
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Asus Commando (P965/ICH8R) - X1900 CF
Time in Seconds (lower is better)
Decoding is more hard drive weighted in comparison to encoding which uses the CPU-memory subsystem more, and at this the MSI also performs as fast as the fastest boards we've tested so far.
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