I'm running my HTPC with a E6300(?) dual core and it runs fine playing 1080p content, bluray/hddvd rom drive plays HD content fine as well. As long as you're not re encoding videos or other intensive tasks while you're trying to play your movie you should be good to go... also running with a ATI 3870 graphics card. don't forget the CPU is important but you need to factor in a good video & sound card too!... having said that Quad core would likely make you more future proof when they come out with 5090p & super duper quad HDDDD DTS sound...

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