Depends on the software package you use. FCPX uses OpenCL for real-time playback w/o rendering, including realtime FX, transcoding and accelerating plugin rendering.
Premiere Pro's Mercury Engine does similar things with CUDA accelerating many effects, scaling, deinterlacing, blending, and color-space conversions.
If you're going to do proxy-less RT 4K like they mentioned in the keynote, you will need the GPU.
Premiere Pro's Mercury Engine does similar things with CUDA accelerating many effects, scaling, deinterlacing, blending, and color-space conversions.
If you're going to do proxy-less RT 4K like they mentioned in the keynote, you will need the GPU.
BTW, I spec'd out a Z620 w/ an E5-1620v2/12GB RAM and topped $3K even w/o video cards. 2 W7000's puts you over $5K: http://h71016.www7.hp.com/dstore/MiddleFrame.asp?page=config...