64 bit instruction sets are preferred for video rendering/conversion using FFMPEG.
I have an i7 (920) rig with 8gb Intel Smart Cache, 8GB No-ECC RAM, and Matrox RTX2, which re-compresses video at approximately 3 times the play speed, and renders raw video at about 1.6 - 1.7 times the play speed ...
no 32bit rig will go that fast!
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