I am buying a new Apple iMac 27", and I have been looking into the graphics card. I plan on doing a lot of video editing with this computer, and I was wondering if it's worth it to spring for the extra gig of GDDR5 memory on the higher-end graphics card.|||Depends on your use. The 1Gb is Great for now but if you want to protect your investment then get 2GB.|||If I were you I would get the 2GB version, just what is the point in saving £20 when you are already paying much for a high-end card? 1GB of VRAM will become a bottleneck for you pretty fast since games are pretty much already using over 1GB VRAM i.e. BF3 goes up to 1.3-1.4GB VRAM according to some people. If you want to be future proofed at least for a bit go for a 2GB version since personally I just don't see a point in having a 1GB card especially when its 6970 and a 2GB version is avaible only for a few quid more.
Edit: sry forgot to mention about video editing, you will be working with high quality graphics it might be worth it, but as I said before I wouldn't get a 1GB version just because there is next to no difference in price between the 1GB and 2GB. (well its around £20-£30 which I don't think is a lot)|||for video editing yea it is recommended 2GB. for video games the only game I know that uses 1.5GB memory is battlefield 3 at 1920x1080. all the others 1GB AT 1920x1080 resolutuin . 2GB is better for higher resolutions. I thing you might use it because that imac supports 2560x1600 resolution|||I would get the 2GB because the games which are coming out they will require more video memory so that way just to be sure and future proof get the 2GB.|||Go for 1GB honestly 1GB of video memory especially at GDDR5 is good enough for anything.
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