Should I get GTX660 for Premiere? (Currently have a MSI7850)

I got a new setup this august and I guess I didn't do enough research before I bought everything.

I currently have:

i5 3450 3.1GHz
MSI 7850 2GB
8GB 1333MHz RAM
Cooler Master PSU 450W

I work with Premiere CS6 and I often have to export longer videos. I have a rather powerful GPU, but it just sits there, doing nothing.
I've heard that CUDA improves the exporting times greatly, so I figured I could sell my MSI 7850 and buy a GIGABYTE GTX660.

1) How much better is this card at exporting (CUDA)?
2) How much shorter would the export times be?
3) Would my PSU be powerful enough If I bought it?
3 answers Last reply
More about should gtx660 premiere currently msi7850
  1. at least think about the 660 ti to make it worth this upgrade
  2. You need to see the benchmark here to know how improvement you will get (hint:huge improvement, dont be shocked), i know it is a long article but you can skip right to benchmark

    using CUDA as hardware processing is called mercury playback engine, it needs minimum 1GB DDR5 and 125-bit card from any series NVIDIA. yeah GTX 660 Ti or GTX 660 will do :D
  3. I dont know if this fits but.....with my 680 I can take a dvd and encode to mkv(at very high quality) in less than 10 minutes,recoding a 1080p movie to 720p takes about 35 minutes.....thats using the cuda cores for decoding and encoding,just as an example....
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