MPlayer benchmark result:


Ram Disk:> Work:MPlayer/MPlayer -benchmark -nosound -ao null -vo null -lavdopts skiploopfilter=none "Ram Disk:Prometheus - Trailer.mp4"
MPlayer SVN-r34310-4.4.4 (C) 2000-2011 MPlayer Team
175 audio & 377 video codecs

Playing Ram Disk:Prometheus - Trailer.mp4.
libavformat file format detected.
[h264 @ 0x23c54670]Warning: not compiled with thread support, using thread emulation
[aac @ 0x23c54670]Warning: not compiled with thread support, using thread emulation
[lavf] stream 0: video (h264), -vid 0
[lavf] stream 1: audio (aac), -aid 0, -alang eng
VIDEO: [H264] 1920x816 24bpp 0.083 fps 6828.3 kbps (833.5 kbyte/s)
Clip info:
major_brand: mp42
minor_version: 0
compatible_brands: mp42isomavc1
creation_time: 2011-12-23 08:24:51
genre: Trailer
artist: 20th Fox
title: Prometheus - Trailer
encoder: HandBrake 4344svn 2011111001
date: 2012
Load subtitles in Ram Disk:
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
[h264 @ 0x23c54670]Warning: not compiled with thread support, using thread emulation
Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
==========================================================================
Audio: no sound
Starting playback...
Unsupported PixelFormat 61
Unsupported PixelFormat 53
Unsupported PixelFormat 86
Movie-Aspect is 2.35:1 - prescaling to correct movie aspect.
VO: [null] 1920x816 => 1920x816 Planar YV12


BENCHMARKs: VC: 86.714s VO: 0.012s A: 0.000s Sys: 0.755s = 87.482s
BENCHMARK%: VC: 99.1225% VO: 0.0140% A: 0.0000% Sys: 0.8636% = 100.0000%

Exiting... (End of file)
Ram Disk:> Work:MPlayer/MPlayer -benchmark -nosound -ao null -vo null -lavdopts skiploopfilter=all "Ram Disk:Prometheus - Trailer.mp4"
MPlayer SVN-r34310-4.4.4 (C) 2000-2011 MPlayer Team
175 audio & 377 video codecs

Mac mini 1.5GHz scores better in this benchmark. Memory performance is a factor I suppose.