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Three Pentium 4 Amigos - Northwood, Gallatin and Prescott Compared - Benchmarks - Audio and Video Encoding

By: Cameron Johnson | Intel CPUs in CPUs, Chipsets & SoCs | Posted: May 13, 2004 4:00 am

Mainconcept MPEG Encoder 1.4.2


Mainconcept is a DV conversion utility to convert DV files into MPEG Layer 2 (DVD) quality video files. We use a 1.2GB test file and convert it into a MPEG-2 video at 720x576 at 25fps with stereo sound and calculate the time each system takes to encode the file, the less the time, the better.



Mainconcept is the first to actually apply SSE3 support in its encoders - here we see the Prescott shine. It will only be when the SSE3 instructions are supported Prescott will be able to take full honours over its brothers.




XMPEG is a high quality converter based on lossless MPEG/AC3 decoders. It decodes MPEG1 (Audio & Video) and MPEG2 streams and offers you the possibility to re-encode them in the format you want. It exports video and audio frames through an Adobe Premiere interface. To keep the maximum quality of your film, it integrates HQ Bicubic (0, 0.75) and Bessel (for audio) filters. The plugins furnished in this package allow you to create your own DivX, DVD, SVCD with the maximum output quality.


For this we used the same file for Mainconcept, however, this time we used XMPEG to convert the file into a MPEG-4 or DIVX video.



Despite XMPEG's lack of SSE3 optimisations, the P4E manages to win out over the P4EE which could be due to the higher Level 2 cache on the P4E over the P4EE.


Lame MP3


Lame MP3 is an audio encoding utility that can turn your large wav files into simple MPEG-3 MP3 files. For this we used a 200MB wav file and converted it to MP3 with 128bit 44kHz.



Here we see the Prescott fall right behind the two other Pentium 4 processors.


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